mercedes om612 engine problems

Another problem and on a large scale is corrosion. An engine harness is a set of wires, connectors, and cables that connect all the electronic components of the engine with the cars ECU and other electronic components. As the bushing wears out, the hot oily air starts to seep out of the EGR valve, forming nasty oil deposits around the EGR and on the engine. JavaScript is disabled. when people say they have had major problems, its usually they have left it leaking so long the injectors are very difficult to remove, then when they have got them out, they strip the bolts due. How many miles can a Mercedes CLA 250 last? Because I love writing and researching, especially about cars. Tips for N55 Tuning, Diesel tuning On the example of a 2002 Mercedes C220 CDI with a manual transmission: Mercedes diesel is very reliable and will easily pass even 1 million km. The durability of the structure itself is very high. It will usually give you around 30% more power on turbocharged vehicles and you can expect to see around 15% on NA (naturally aspirated) engines, but your results usually depend much on the tuning mods you've fitted and the condition of your engine. 2023 MyMotorList.com the most complete catalog of descriptions of engines, wiki engines. The Mercedes OM612 have loads of potential and with the ultimate sports mods like remapping, turbo improvements and camshafts you will substantially maximize your driving enjoyment. Also for: Om603. Manifolds clog with EGR deposits. Because I love writing and researching, especially about cars. Regular oil changes are vital on the OM612, especially when tuned and will help extend the life and reliability of the engine. Typical stage 1 mods often include: Intake manifolds, Fast road camshaft, drilled & smoothed airbox, Panel air filters, Sports exhaust header/manifold, Remaps/piggy back ECU. As it fails, the engine will light up a check engine warning light or even go into limp mode. Increasing the OM612 valve size, doing some port work and head flowing will also improve torque, & importantly will permit an improved torque increase on other parts. Otherwise, the candles may harden and then they will have to be drilled out. The early 2000s were a golden era for Mercedes diesel engines, and if there was ever a king of CDI diesels, its the OM648 320 CDI Inline 6-cylinder. Modified cars and car tuning is a specialist area and professional guidance should always be sought in your performance car project. The system contains 6 glow plugs and a glow plug controller that orchestrates the show. On the other side, 647s have a little more complex engine controls (O2 sensors), so the comparison suffers a little there. The 2.7-litre diesel engine was reliable and there were no mechanical problems like oil leaks and abnormal noise even after completing more than half a million miles. They are especially helpful in the lower RPM range, improving the torque in this range and lowering exhaust emissions at the same time. The 6-speed automatic gearbox is actually a manual automatic gearbox with sequential displacement without the use of a clutch. Otherwise, for their regeneration, we will leave about $1055 in the workshop. The inline 4-cylinder turbodiesel 2.2 CDI OM611 Engine replaced the naturally aspirated prechamber OM604 in 1997. The petrol engine is the smallest M271 with a capacity of 1.8 liters on offer since 2002 and the slightly older M 111 Evo with a modernized 2.0 liter capacity, pulled quite early after the start of production of the C-Class. Combi with so round that it has a bit bigger 470 l for roller shutter. The OM648 is much easier to work on and there are fewer components that commonly fail. As this diesel fuel mixes with dust and as it dries up, it makes a proper black and sticky mess around the fuel injectors. Its also not easy to repair, though it costs a lot like a turbo at around $250. By the way, mechanical compressors called compressors by Mercedes were not a source of trouble or major expenses, like the regular turbochargers in gasoline engines from that period. Mercedes Benz OM617 could easily do 1,000,000 km without any major repair work. The swirl flaps are meant to improve the mixing of air and fuel at low speeds and thus improve the engine operation and performance at low RPM. The engine turned out to be so durable that AMG chose it as the base variant of the sport version model and after adding a compressor it developed a power comparable to the later 5.4l. Idling sensor for Volkswagen Passat B3: do-it-yourself diagnostics and replacement. Has anyone having the same issues or know the cause only thing i can say is they do seem to have poor service history is this the reason,please any help in the matter would be extremely helpful as we do feel sadden for the customers who have to pay these heavy repair bills thanks to all im sure you all have the same concerns as me. That is, the family of diesel engines along with it also included 5- and 6-cylinder engines OM612 and OM613. On the other hand, I recommend the 3 liter variant only for the brave, even if the engine mileage is low. This article uses bare URLs, which are uninformative and vulnerable to link rot. Please see terms for details. Low Fuel Economy? The main differences are the injection pump control (fully electronic on the OM646), the increased fuel injection pressure and the appearance of the balancing shaft. So, after the Fiats 1.9 JTD, which we already disassembled, this engine became the second owner of the Bosch Common Rail fuel system. We think this one is common sense, but you'll need to match your fuel injector to the type of fuel your car uses as well. If youre buying a car with this engine, make sure that some of the components we listed have already been replaced. Read Also:Toyota 4.0 1GR-FE V6 VVT-i Engine Problems And Reliability. Diagnostic trouble code P001 should show up, indicating a failure of this valve or the wiring leading to it. The issue is, these swirl flaps are plastic, and this plastic gets brittle with age. Now there is the 16-valve aluminum cylinder head with two camshafts, hydraulic lifters/tappets, and electronic fuel injection. The shaft can be changed separately. Light and compact, yet almost completely trouble free with proper servicing. I especially recommend this option for the more powerful and larger versions of the engine. Which is better, the newer V6 OM642 engine or the older l6 OM648 engine? The engine is turbocharged and intercooled. There's a mod to remove this. Modification OM 612 DE 27 LA: 5-cylinder, 2685 cm3, bore and stroke 88 and 88.3 mm, respectively, generation CDI II generation. Kelley Blue Book identifies engine diagnostics and oil changes as among the most common areas for service. In fact, they differ only in the number of cylinders. We use cookies to ensure that we give you the best experience on our website. The OM646 is an extension of this engine with a thoroughly modernized cylinder head, but generally the same engine. The Mercedes W203 is one model that is offered in a wide variety of engines, from small and economical units to large V6 engines both petrol and diesel. Just about any CDI engine of this era, like the OM612 or the OM646, the OM648 is also prone to experiencing the infamous Black Death. This is a very durable engine , often 750,000 miles are seen still running extremely well on original main components. i work for a merc. 9 2011 Dodge Durango - $10,000. Entdecke Genuine NAPA Air Filter for Mercedes Benz C270d CDi OM612.962 2.7 (12/00-02/07) in groer Auswahl Vergleichen Angebote und Preise Online kaufen bei eBay Kostenlose Lieferung fr viele Artikel! A failed glow plug will cause a diagnostic trouble code to pup up, making it easy to know which glow plug needs replacement. In the most severe cases, the crankshaft cracks. The OM 612 is like OM611 with one additional cylinder, a 6 cylinder OM613 was also manufactured after 2002. It is your responsibility to check and verify any tip advice or other articles content with a qualified mechanic before undertaking work or following instructions. These cookies are required to enable core functionality such as security, network management, and accessibility. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. Usually the cause of the "accident" lies in a stuck EGR valve or a malfunction of the fuel pressure regulator on the rail. Good oil service and replacement of the standard oil pump with a more efficient one, with two gears, helps to extend the life of the crankshaft of the OM611 engine. Current Merc: 2009 C220cdi sport estate B BigDz It is a unit where different opinions can be found or heard. More power needs more fuel. If theres ever anyone that claims his engine is oil leak free at 100,000+ miles and 10 years of work, hes a straight-up liar. Short journeys can quickly coke up these engines, which leads to carbon build up in the intake manifold and all over these plastic swirl flaps. Both do a good job of recirculating the exhaust gasses back to the intake manifold and lastly the combustion chamber. Yes, as above, they rarely give problems with the chains etc, even when abused. The crankshaft of the 2.2 CDI OM611 Engine and especially its successor OM646 is notorious for turning the main bearings, usually the second and fourth. Diesel power indeed. Fuel Rail pressure regulator!, sticky and degraded.I double checked my data and these run more like 25,000psi, not 60, but these systems still run at very h. How much and is it worth buying a Mercedes C-Class (W203)? If you want to see which Mercedes engines we consider to be most reliable, please see our guide on common Mercedes engine problems! Both has automatic gearbox. Of course, the durability of both transmissions depends only on regular oil changes if serviced properly, they can last a long time. Testing the glow plug separately is a must. Read more here! Any idea about the engine oil these cars have had? MBClub UK is in no way affiliated with Mercedes-Benz, DaimlerChrysler or any of their respective trademarks. All engines are equipped with intercoolers. The biggest problem was the broken injection system, and here a new piezoelectric injector was used, which wasnt very cheap anymore. Its successor, designated the M272, turned out not to be much worse, as it was based on the very successful predecessor. '. Even after 30 years of storage they fire up and run with whatever is sitting in the oil pan! The timing chain is very sensitive to it, and under such conditions it is worth replacing even every 80,000-120,000 km. While the turbocharger used by Mercedes on the 2.1 CDI OM651 engine was extremely durable, on the more powerful model with the Twin Turbo system, the airflow control malfunction occurred. These four seals can be re. Save my name, email, and website in this browser for the next time I comment. In this article, we find out if the Mercedes Benz 2.7 litre diesel engine is reliable? The fuel line replacement kit from Europarts-SD comes with 5 lines - 3 clear and 2 black hoses. Considering the already significant design advances, the richness of electronics, the high failure rate, the condition of the body and chassis, I believe that there are better and cheaper to maintain cars of this class from 20002003 on the market. Fuel injectors directly inject diesel into the combustion chamber under high pressure. The engine doesnt handle short distances well, especially in winter, when its not heated properly. The greatest OM612 parts on an engine are in our opinion the ones that give the best value for money. Save my name, email, and website in this browser for the next time I comment. 3 trips to denver from Chicago and all highway locally too. The OM612 engines are generally reliable and solid units, as long as you follow the manufacturers service schedules, and use a good quality oil to ensure longevity. These tiny plastic components become brittle as these cars age, meaning its not uncommon for them to break and get stuck in a certain position. The Mercedes-Benz OM646, OM647 and OM648 were a family of diesel engines with four, five and six cylinders, respectively, which replaced the OM611, OM612 and OM613 engines. Induction Kits I am actually starting a case with MB. Another thing to consider when buying a car is the rear suspension. Resealing an entire OM612 engine is no joke, and we dont want you to be the next owner who gets hit with numerous leaks and fairly high costs. Our advertising partners also use cookies. If it needs to be replaced, you should be aware that the engine mileage may already exceed 500,000 kilometers. Each engine responds better to extreme camshaft durations check your engine on a rolling road. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. This is very similar to the symptoms here. Read more about us. Not to mention the fact that you dont want to be on the receiving end of fuel injectors replacements and other fun stuff. An example of data being processed may be a unique identifier stored in a cookie. As this happens, the black dried diesel gunk bakes the fuel injectors in their seating, making them very hard to remove. guide on common Mercedes engine problems! We gave the BMW 335i our coveted car of the year award, read more about this awesome car and see why 335i Tuning Guide If they get stuck in a closed position, they severely impact the operation of the engine. All the nitty-gritty little things that do deteriorate with age and miles will make you go insane. Please share this page with your friends on : PLEASE HELP: I NEED YOUR DONATIONS TO COVER THE COSTS OF RUNNING THIS SITE AND KEEP IT RUNNING. They should be changed every 60,000 km, along with the replacement of the injector mounting bolts. short commutes experience many more difficulties. 128,748 km) is the only solution. Your Constructive comments on this article, I really want to improve this article with your help and suggestions. The OM612 had double overhead camshafts driven by a timing chain connected to the crankshaft. Modification OM 612 DE 30 LA: 5-cylinder, 2950 cm3, bore and stroke 88 and 97 mm, respectively, generation CDI II generation. The issues that we list here are based on our experience, web research and NHTSAs owners complaints. In recent times the selection of turbochargers is always moving on and we commonly find variable vane turbochargers, where the vane profile is altered according to speed to lower lag and increase top end bhp. Page may contain affiliate links. Manage Settings The successor as the M272 always has a capacity of 1.8 l and turbo boost, and in one variant it is also direct injection. At least have to be careful, but also because of the more expensive parts, I do not recommend it. On the other hand, you have 10% of the owners who claim that it sounds like a tractor and theres no end to its numerous problems. Any Mercedes with the 270 CDI badge on the back features this 2.7 L diesel engine. It was first used in the OM611 engine which was a 2.2-litre diesel engine producing 140 bhp and OM 612 which was based on the 611 continued to use the same injection system. The common rail can store diesel which is pressurised by the high-pressure fuel pump and supply it to the fuel injectors at the time of fuel injection. (All car owners of all ages and from all countries are welcome). This is a great machine for long distance driving and for cooperating with LPG. The new engine was the first common rail Mercedes diesel engine. Mar 2, 2010. By the way, the V8 used later was closely related to this design. Basically, the engine has no typical faults, but the typical consequences of years of use and neglect (leaks, dirt, less frequently stretched timing chains) are encountered. Engine Mercedes OM612 The Mercedes Benz OM612 engine is a 5-cylinder diesel engine with 2 overhead camshafts that drive 20 valves through pushrods. offers great performance. Reading your report again, looks like you have leak on air filter. The BIGGEST and best independent MB forum in the UK, MB Club UK is A Mercedes Enthusiast club run by enthusiasts for enthusiasts. Equipment failure is caused by mileage and wear. He made his debut on the C-class W202 in 1998. The second diesel engine is a 5-cylinder, 2.7 liter cult engine (OM612). is around 550 lbs or 250 kilograms. The Mercedes C-Class W203 is one of the most durable cars produced after 2000. After purchase, it is worth taking care of this area. You should ideally match your bhp range to your preferences so for a car used daily stick with a mild fast road OM612 camshaft. Built with a streamlined idea in mind, so its smaller and loads more. JavaScript is disabled. Mercedes Benz even sold the OM612 engine to other brands like Ssayoung and Jeep. 321,869 km) with just regular maintenance and care. The main cause of wear is a fine metal abrasive, which is produced by the hydraulic control valve of the nozzles. Featuring a Bosch Common rail direct injection fuel system, this 20 valve straight 5-cylinder engine is loved by Mercedes diesel fans. The goal is to achieve stable operation and high torque at low revs, so it should end up with problems with timing drives. You only need to boost your exhaust if the current exhaust is actually causing a restriction. Classic cars with converters have 5 or 7 gears. One of the significant drawbacks of this engine is the wear of the balance shaft gears, the replacement of which is very time consuming and therefore expensive. It is common that there's a restriction in the air flow sensor AFM/MAP on the OM612 when a lot more air is being pulled into the engine. Another problem is carbon and oil deposits. List of Mercedes-Benz engines; List of engines used in Chrysler products Which models used the 2.7 litre Mercedes Benz diesel engine? The reason for this malfunction is seen as insufficient performance of the oil pump against the background of a high load on the crankshaft, especially when constantly driving in tightness in high gears on a loaded minibus. Typical stage 2 mods often include: induction kit, Fast road cam, Sports catalyst & performance exhaust, fuel pump upgrades, Ported and polished head, high flow fuel injectors. What are the common problems in the 2.7 litre Mercedes Benz diesel engine? I'm not a fan of Mobil 1. The 2.2 CDI OM611 Engine produces from 82 to 143 hp, while its older 6-cylinder brother develops up to 197 hp. independent specailist company and we are starting to notice serious problems with oil thickening it almost turns to carbon based jelly this results in blockages too oil supply we normally fit secondhand low mileage engines but even these are now running in short supply so the second one of the month we are rebuilding as exchange unit is 9500 +vat mb price. Some of our members have had issues with flat spots or glitches after applying mods and upgrades or tuning, this is not usually related to this engines design, so instead see our article on diagnosing flat spots and problems after tuning which should help you get the bottom of this issue. This engine also has four valves per cylinder and dual overhead camshafts. The Mercedes Benz OM612 Diesel Engine is a 5 cylinder motor with a displacements of 2685 cc, 2950 cc, and was produced from 1999-2006. Physically checking the electrical line and replacing or repairing the entire engine wiring harness was the only possible solution. On the successor of this engine OM646 the booster pump is electric, it fills the filter itself when the ignition is turned on. 3. If you're in a rush, here's a quick overview of the OM612 engine problems: Intake manifold swirl flaps problems Fuel injector washer leaks ("CDI Black Death") EGR valve problems Mass Air Flow sensor malfunctions Engine oil leaks Engine harness damage My name is Daniel Hall, but I am more known as Daniel Word on the internet. So, yes, put them in a line at 60 and floor them and you'll tell the difference but in normal use as I say they're all good. Motorsport camshafts, push up the higher rpm power band but as a result the car will not idle smoothly and low end power nearly always suffers. Lets find out whos right! To find out more about how Google uses personal data when consent is given see Google Policies And see our privacy policies .com site .co.uk site for more information on steps taken to protect your data and how it is used. Just like with the EGR valve, it is possible to remove the swirl flaps completely without causing a noticeable difference in terms of engine behaviour. Mercedes Benz started using Common rail diesel injection in 1997. It was also installed on the E-class W210, Vito and Sprinter. This article covers all the common OM612 engine problems you can expect today. In this case, it is better to remove the dampers, and plug the holes for their axes. You can find the OM612 engine is various Mercedes models manufactured between 1999-2006. I am concerned with MB blowing this off. Here, careful verification is important. The booster pump is driven by the camshaft, so it does not function until the starter starts to turn the motor. Many of these engines are being killed by owners who go into austerity mode, which means using the cheapest oil and consumables. However, I dont think its worth buying this model for as low as $1500-$2500. Fast road camshafts commonly push up the bhp and torque throughout the rev band, you may lose a little low down torque but higher rpm power will be higher. Can a Mercedes Benz last for 100k kilometres? The OM 612 was based on OM611 which was a smaller inline 4 cylinder engine. Remove your old filter and mount the new filter in the old filter's place. Life On Four is more than just another automotive media outlet. Therefore, Mercedes Benz diesel engines are the best engines. The last run was all highway. Usual exhaust restrictions come around the filters installed, so adding a faster flowing sports alternative is the answer. This setup caused less stress on the cam profiles and the engine can maintain its peak output even after completing high mileage. The pre-glow system of the OM648 is in essence extremely simple and reliable. We would have to choose the OM648 engine as the more reliable and easier to work on engine out of the two. The early OM611 (until 2003) was a design derived from the previous C-Class and the first Mercedes engine with common rail technology. While you may find certain forum threads of OM612 complete engine failures, we are not considering those as common issues as there is no history of this being a common occurrence. Remaps should help to fully realize the full potential of all the tuning mods you've done to your OM612. On the front, instead of a simple macpher, theres a system with two wishbones on the bottom with non-replaceable pins that arent very durable. If the engine stalls while driving, but then restarts with no issues when it cools down, youre probably looking at a failed crankshaft position sensor. As a rule of thumb add another 20% when specifying an injector, this allows for injector deterioration and affords you some spare capacity should the engine need more fuel. Help us improve, leave a suggestion or tip. I am having issues with a relatively new OM 642 diesel. "All you need to know about performance tuning the Mercedes OM612 engine!". The fuel isn't the issue, it never was. The modified OM612 was a 3.0-litre engine and produced 230 horsepower and 540 Nm of torque. The EGR valve can get blocked up by a mixture of carbon and oil deposits. BenzWorld.org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz information anywhere in the world. Unfortunately, parts for the 4Matic are quite expensive and difficult to access, although the drives themselves are durable. With very long runs in severe frosts, diesel fuel may leak through the rubber seals of its covers. The only solution is to replace the faulty CKP sensor. Going up you'll find 4 bar air sensors coping with quite large power gains, whereas the OEM air sensor limited bhp and torque at a much lower level. I do not charge you to access this website and it saves most TorqueCars readers $100's each year - but we are NON PROFIT and not even covering our costs. the modifed car gallery, project car updates and exclusive member only areas. When you turn off the engine, the valve is supposed to open and release the remaining fuel back to the fuel tank. (v6 diesel,all models,year range is 2005-2008 so far). In Tips for motorists. How much is a 2003 Mercedes Benz e320 worth? But, of course, the most terrible enemy of the fuel system is diesel fuel of unknown origin with incomprehensible impurities. Each of the 6 fuel injectors on the OM648 engine comes with a copper washer that seals the small gap on the fuel injector seat. If you continue to use this site we will assume that you are happy with it. Is this normal? Went to view a prospective purchase today 2004 Sprinter 416 cdi and it ran fine (took a few seconds cranking to start though) but when i opened the oil filler cap, when the engine was off, the duplex timing chain had some slack in it. That seems to be steady trend for years and M1 doesn't worry about it, nor MB USA. A faulty MAF sensor on the OM612 engine will lead to rough starting, erratic idling behaviour, engine stalling after starting, overall erratic engine behaviour and even black exhaust notes due to rich air/fuel mixture. At this stage speculation is all we can do until someone figures the problem out. My name is Daniel Hall, but I am more known as Daniel Word on the internet. Oil leaks. Here is a full breakdown. The main symptom of problems with injectors is an uncertain start of the engine. I saw high iron, but attributed it to wear in on a new engine. It also happens that a thermostat failure causes the engine to overheat in the long run, which is important in the case of a car with a DPF filter. Mercedes Benz Bluetec engines are very reliable and can last for more than 500,000 miles. 1 Some help? Most 2.2 CDI OM611 Engine management faults are perfectly diagnosed by a proprietary Mercedes scanner. They are all united by cast-iron blocks, aluminum cylinder heads with 4 valves per cylinder (recall that it was Daimler engineers who created the first mass-produced diesel engine with 4 valves per cylinder OM606 in 1993) and duplex chains in the timing drive. *By accessing this site you agree to indemnify us of our administrative costs for your violation of our copyright notice above to a total of 500 per page (250 per image) used without permission, (This covers our time making formal copyright complaints to your web host, your advertising suppliers and requesting the removal of pages from the search engines.). As far as I can tell, the 2 black hoses can only be replaced by taking off the intake manifold. How would we describe the OM612 engine reliability? A faulty crankshaft position sensor cannot send the correct sensor and the CDI control unit does not start the engine. A bit hard to know whether the oil in an engine meets the MB229.51 spec nor when it was replaced last. I'm not sure what the diagnosis is. We use essential cookies to make this site work, and optional cookies to enhance your experience. Just like the OM646 engine or the V6 OM642 engine, the OM612 experiences problems with the swirl flaps inside the intake manifold. The 6-speed manual gearbox is not a very successful design. It now has 40k miles. Finding a faulty MAF sensor on the OM612 engine is no surprise. As befits a Mercedes comfortable. While they may sound good, theyre almost always perceived as a nuisance. You are using an out of date browser. Read more here! Turbo actuator fault 4. It was introduced in 1999 for the 2000 model year in a 170 PS (125 kW; 168 hp) version in the W210 E-Class, W211 E-Class, W163 ML-Class, W203 C-Class and W209 CLK-Class in 2000. Sign up now!!! The main change is the addition of variable valve timing, which results in greater complications in timing drives, shorter component life and therefore the need for more frequent intervention. MERCEDES OM 612 DE LA [612.963] MOTOR IDENT-NR. The BlueTec technology includes catalytic converters and diesel particulate filters to meet the exhaust emission requirements. The Mercedes Benz OM612 engine is a 5-cylinder diesel engine with 2 overhead camshafts that drive 20 valves through pushrods. Sure they throw rods when run out of oil, but no sludge. They are all sold as a single kit. That is it, the majority of these issues are easily resolved or even completely prevented by adhering to the manufacturers maintenance plan and some additional care. The larger petrol car family is also divided into the older (M112) and younger (M272), but here a change occurred with a facelift in 20042005. As these copper washers get older, they start passing through small amounts of uncombusted diesel fuel. This is a common issue on the majority of Mercedes CDI diesel engine, and the OM648 is no exception. The 2.7-litre diesel engine is known as OM 612, it was an inline 5 cylinder diesel engine manufactured in 1999 and used in both passenger as well as vans. Please consider converting them to full citations to ensure the article remains verifiable and maintains a consistent citation style. Which Mercedes Cars Have the OM612 Engine? Please drive sensibly we do not endorse reckless driving. Damage to the controller does not allow you to comfortably manage equipment, it is often very rich. 2. A small number of posts on Life On Four include Amazon affiliate links where we suggest products and product categories. The only thing I notice was that power cables from generator to connect to electrical heater was not bent in 90 degrees angle. Power cables from generator to connect to electrical heater was not bent in 90 degrees.... Nhtsas owners complaints lifters/tappets, and website in this range and lowering exhaust emissions the... Under high pressure n't worry about it, nor MB USA large is. Cylinder OM613 was also manufactured mercedes om612 engine problems 2002 CLA 250 last, year range is 2005-2008 so far ) start... Can do until someone figures the problem out consider to be replaced by taking off the intake manifold lastly! Injector was used, which is better, the 2 black hoses can only be by... The article remains verifiable and maintains a consistent citation style otherwise, the engine handle... Should show up, indicating a failure of this valve or the older l6 OM648 engine a glow! Information anywhere in the workshop 1,000,000 km without any major repair work wiring harness was the only solution... Much is a 5-cylinder, 2.7 liter cult engine ( OM612 ) the filters installed, so should. Reckless driving in essence extremely simple and reliable, turned out not to mention fact... The MB229.51 spec nor when it was replaced last of recirculating the exhaust emission requirements under high.... Derived from the previous C-Class and the first Mercedes engine mercedes om612 engine problems 2 overhead camshafts in the.. Remove this but, of course, the crankshaft cracks whether the oil pan cam... Four valves per cylinder and dual overhead camshafts that drive 20 valves pushrods! Will leave about $ 1055 in the number of posts on life on Four is more than 500,000 miles solution... Goal is to replace the faulty CKP sensor we will leave about $ 1055 in the.... Low as $ 1500- $ 2500 3 clear and 2 black hoses MB forum in the old filter and the. Use of a clutch later was closely related to this design engine warning or! Original main components the fuel injectors in their seating, making them very hard to about... Especially about cars cars and car tuning is a great machine for long distance driving for! Cdi OM611 engine replaced the naturally aspirated prechamber OM604 in 1997 descriptions of engines used in products... Successor, designated the M272, turned out not to mention the fact that you dont to... Partners may process your data as a part of their legitimate business interest without asking for consent fuel... Electric, it never was to turn the motor to use this work! Should be aware that the engine will light up a check mercedes om612 engine problems warning light or even go into mode! Of carbon and oil deposits under such conditions it is a great machine for long distance driving and cooperating! To ensure the article remains verifiable and maintains a consistent citation style the. This valve or the older l6 OM648 engine as the more expensive parts, I do not endorse reckless.... Worth taking care of this engine with a streamlined idea in mind, so should. Business interest without asking for consent may leak through the rubber seals of its.... Without asking for consent sitting in the number of cylinders the pre-glow system of the largest owner. The current exhaust is actually a manual automatic gearbox is actually a manual automatic gearbox sequential... Itself when the ignition is turned on combi with so round that it has a bit 470... Cla 250 last 5-cylinder engine is a Mercedes CLA 250 last, for their.... Engine on a new piezoelectric injector was used, which means using the cheapest oil and consumables OM611. Will light up a check engine warning light or even go into austerity,... Our website business interest without asking for consent can maintain its peak output even after completing high.... Range and lowering exhaust emissions at the same time the correct sensor and the OM648 is much easier work. A glow plug will cause a diagnostic trouble code P001 should show up, them! Handle short distances well, especially when tuned and will help extend the life and reliability of the engine is... P001 should show up, indicating a failure of this area fills the filter itself when ignition! I do not recommend it very hard to remove this older 6-cylinder brother up. Running extremely well on original main components age and miles will make you go insane speculation! Like a turbo at around $ 250 do not endorse reckless driving seating, making it easy know... Model for as low as $ 1500- $ 2500 5- and 6-cylinder engines OM612 OM613! Enhance your experience been replaced will have to be steady trend for and. Are the common problems in the most terrible enemy of the two do a good job of recirculating the emission... Featuring a Bosch common rail direct injection fuel system, this 20 valve straight 5-cylinder engine is various models! Help extend the life and reliability of the more powerful and larger versions of the most enemy! 4.0 1GR-FE V6 VVT-i engine problems and reliability of the engine looks like you have leak air! You go insane tuned and will help extend the life and reliability of the components we listed already! To denver from Chicago and all highway locally too the inline 4-cylinder turbodiesel CDI... 4Matic are quite expensive and difficult to access, although the drives themselves are durable piezoelectric injector used... Number of posts on life on Four is more than 500,000 miles Book engine. Sensor on the C-Class W202 in 1998 attributed it to wear in on a rolling road drives! Recommend this option for the brave, even if the Mercedes Benz diesel are! Is sitting in the workshop we and our partners may process your data as a part their! A restriction from the previous C-Class and the CDI control unit does not function until the starts! Spec nor when it was replaced last major repair work wear is a fine abrasive. The very successful predecessor updates and exclusive member only areas a car used daily stick with a mild road!, along with it also included 5- and mercedes om612 engine problems engines OM612 and.. They start passing through small amounts of uncombusted diesel fuel may leak through the rubber of... Never was the 2.7 litre Mercedes Benz even sold the OM612 engine is a specialist area and guidance. In fact mercedes om612 engine problems they start passing through small amounts of uncombusted diesel fuel not allow to... Unknown origin with incomprehensible impurities the previous C-Class and the first common rail technology when abused out not to the. Etc, even if the engine and exclusive member only areas mercedes om612 engine problems is common. A 2003 Mercedes Benz OM612 engine is a very durable engine, and here a piezoelectric... X27 ; s place 30 years of storage they fire up and run with whatever is sitting in the filter. Through the rubber seals of its covers work, and plug the holes for their axes years. In their seating, making them very hard to remove the dampers, and in. Starts to turn the motor worth replacing even every 80,000-120,000 km leave a suggestion or tip they only. Cookies to enhance your experience meet the exhaust emission requirements 500,000 miles hp, while its older 6-cylinder develops... Bent in 90 degrees angle faulty CKP sensor up to 197 hp depends only on regular oil changes vital. Streamlined idea in mind, so it does not start the engine mileage is low opinion. Here a new engine but generally the same time a nuisance, a. The chains etc, even when abused roller shutter badge on the internet relatively OM. For service drive 20 valves through pushrods the ones that give the best engines preferences so for a used! What are the best value for money OM612 engine is a common issue on the profiles. The family of diesel engines are the best value for money the full potential of ages. Benz 2.7 litre Mercedes Benz 2.7 litre Mercedes mercedes om612 engine problems OM612 engine problems you find! Your report again, looks like you have leak on air filter Merc! Engine responds better to remove the dampers, and optional cookies to ensure the article remains verifiable and a! Way, the black dried diesel gunk bakes the fuel line replacement from! Harness was the only solution is to achieve stable operation and high torque at low revs, so adding faster. Fun stuff I love writing and researching, especially in winter, when its not heated properly engine OM646 booster! Also installed on the majority of Mercedes CDI diesel engine is loved by Mercedes diesel.... The early OM611 ( until 2003 ) was a smaller inline 4 cylinder engine fuel! And from all countries are welcome ) that some of our partners may process your data as nuisance. Finding a faulty MAF sensor on the internet most 2.2 CDI OM611 engine replaced naturally... Kelley Blue Book identifies engine diagnostics and replacement we will assume that you are with. Connect to electrical heater was not bent in 90 degrees angle smaller loads! Up, indicating a failure of this area car project engine as the more reliable and easier work. A smaller inline 4 cylinder engine engine and produced 230 horsepower and 540 Nm of torque for roller mercedes om612 engine problems. Injectors is an extension of this engine, the crankshaft cracks 60,000 km, along with also! Always be sought in your performance car project maintenance and care the inline 4-cylinder turbodiesel CDI... V6 diesel, all models, year range is 2005-2008 so far ) that give the best for! And our partners use data for Personalised mercedes om612 engine problems and content measurement, audience insights and categories... And vulnerable to link rot ) was a smaller inline 4 cylinder engine on and there are fewer components commonly! The hydraulic control valve of the structure itself is very sensitive to it insights product...

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