Any idea about the engine oil these cars have had? All engines are equipped with intercoolers. All it does is it sends an electric current through a resistor to heat up the engine before ignition. The second diesel engine is a 5-cylinder, 2.7 liter cult engine (OM612). If youre lucky, they get stuck in the open position, and you wont even know theres something wrong. I'm convinced something is going on inside the motor much like earlier notes. It would also be worth reading our unbiased Mercedes tuning articles to get insights into each modification and how effective they will be for your car. If the washer burns out, then gases will break through into the channel under the nozzle and over time, soot and soot will simply cement the nozzle in the cylinder head. keep up with our latest YouTube content and subscribe. The wide choice of versions and diverse opinions can cause anxiety when buying this car. offers great performance. There are many guys spending a fortune on turbocharger upgrades on the OM612 only to suffer the humiliation of seeing the engine block explode just after it's completed. Any small excerpts and quotes copied must be accompanied by a link to the source material. The consent submitted will only be used for data processing originating from this website. If they get stuck in a closed position, they severely impact the operation of the engine. Low Power? That seems to be steady trend for years and M1 doesn't worry about it, nor MB USA. This engine continued the modular tradition. 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. 2023 MyMotorList.com the most complete catalog of descriptions of engines, wiki engines. The inline 4-cylinder turbodiesel 2.2 CDI OM611 Engine replaced the naturally aspirated prechamber OM604 in 1997. In science speculation is also called an hypotheses, the first step in seeking an understanding of a problem. This article covers all the common OM612 engine problems you can expect today. The OM648 is much easier to work on and there are fewer components that commonly fail. 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. The camshaft was mounted in the cylinder head and the cam profiles directly operate the opening and closing of the valves. 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 basic principle behind the CDi injection system is to allow the use of a single high-pressure fuel pump regardless of the number of cylinders in the engine. The Mercedes-Benz OM611, OM612 and OM613 were a family of diesel engines with four, five and six cylinders, respectively. That is the reason you see so many of these engines cover enormous amounts of miles without any issues, and why so many owners that use these cars for short commutes experience many more difficulties. Unless you find a low mileage gem, you have to be aware that somewhere down the line these engines will need new fuel injectors, a new high pressure fuel pump, a new turbocharger, a new EGR valve and perhaps even other engine internals. 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. 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. Continue with Recommended Cookies. Following are some of the common problems: Crankshaft position sensor I am concerned with MB blowing this off. As long as everything works perfectly in the cooling and lubrication system. We use cookies to ensure that we give you the best experience on our website. We strive to provide the internet with information that will ease your purchase of a new or a used car. It now has 40k miles. JavaScript is disabled. The area that is quite disturbing to users is electricity. This article uses bare URLs, which are uninformative and vulnerable to link rot. The majority of these cars have covered many miles by now. It was also installed on the E-class W210, Vito and Sprinter. You will also have full access to Every engine has Common Rail injection, and Mercedes isnt the best-performing company. Its power range is from 102 to 272 HP and up to 367 HP if we count the variants signed by AMG. How would we describe the OM612 engine reliability? You should replace your fuel filter every 20,000 to 60,000 miles, moving towards the latter with newer vehicles. If you are in the market for a 2005/2006 W211 E-Class 320 CDI with the OM648 engine, theres one thing you must pay attention to before you even take a look at the engine: MAINTENANCE HISTORY. The OM611 and OM646 engines are 4 cylinders with a displacement of 2.1 liters, although there is also a 2.2 liter variant, but not on this model. Due to a generally higher crankcase pressure and time-related plastic and rubber deterioration, all engines eventually develop oil leaks. 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. #6. talkinghorse43 said: In my opinion, the 647 is a little better considering the EGR maintenance issue, glowplug access, high pressure pump durability, and a little better fuel economy. The trusty OM648 is no different. Replacing the engine harness is neither simple, nor is it cheap. It is a unit where different opinions can be found or heard. Page may contain affiliate links. Mercedes Benz is known for making reliable engines but the OM617 is regarded as the most reliable diesel engine. The Mercedes C-Class W203 is one of the most durable cars produced after 2000. More ratios are used in the transmission paired with the new car with the M272 engine. Sure they throw rods when run out of oil, but no sludge. Here is a full breakdown. Use of this site: Please treat the information on this site as purely speculative and note that we accept no responsibility for damage or loss incurred due to following a recommendation made on this site, our videos or in the forum. i work for a merc. However, I dont think its worth buying this model for as low as $1500-$2500. This excess oil in the system eventually hits the EGR, it completely overflows it and you get leaks. Thats why I compiled the list above in this way. Remove your old filter and mount the new filter in the old filter's place. The timing chain is very sensitive to it, and under such conditions it is worth replacing even every 80,000-120,000 km. High mileage OM648 engine problems. 3. 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. The more air you can get into an engine, the more fuel it can burn and uprating the induction with a turbocharger upgrade makes massive power gains. Just two things will kill it! You can read our full review of the OM642 engine to get a better feeling for all its problems and difficult repairs. Manage Settings And as if that werent enough, the timing chain drive isnt very durable. Featuring a Bosch Common rail direct injection fuel system, this 20 valve straight 5-cylinder engine is loved by Mercedes diesel fans. Toyota 4.0 1GR-FE V6 VVT-i Engine Problems And Reliability, Specifications Of The Mercedes 2.2 CDI OM611 Engine, Modification: OM611 DE 22 LA red. This model offers some pretty outdated but good basic techniques, namely the drivetrain and suspension. Of course, the durability of both transmissions depends only on regular oil changes if serviced properly, they can last a long time. I haven't seen the oil go bad yet, despite ripping apart HUGELY neglected engines from delivery vehicles and courriers etc. Compared to its predecessor OM604, it has 30% more power, 50% more torque and 10% less fuel consumption. Fuel pressure control valve failure. Due to a faulty rail pressure control valve, the engine can also be difficult to start or crash during rapid acceleration. KIA / Hyundai 1.4 CRDi D4FC Engine Specs, Problems, Reliability, EP6CDTX THP 200 1.6 Prince Engine Problems And Reliability, Porsche 4.8 V8 M48.51 Engine Problems And Reliability. The 2011 Dodge Durango is powered by a 290 horsepower 3.6-liter V6 engine. By the end of 1999, the common rail diesel injection technology was very popular as it injected the common rail capable of injecting diesel at high pressure without the need for multiple fuel pumps. In fact, they differ only in the number of cylinders. Diesels. Even after 30 years of storage they fire up and run with whatever is sitting in the oil pan! The cars were marked as Sequentronic, only available in petrol versions, thankfully rare. "All you need to know about performance tuning the Mercedes OM612 engine!". Several templates and tools are available to assist in formatting, such as Reflinks (documentation), reFill (documentation) and Citation bot (documentation). Whats wrong with the Mercedes C-Class (W203)? Because I love writing and researching, especially about cars. Also, the common rod drive of the dampers often breaks down and then they begin to live their own lives. Kelley Blue Book identifies engine diagnostics and oil changes as among the most common areas for service. If youre in a rush, heres a quick overview of the OM612 engine problems: The OM612 engine is without a doubt one of the great Mercedes diesel engines. It's not uncommon that intake manifolds are needing motorsport parts, although a few manufacturers provide reasonably good intake manifolds. Few problems should happen as long as they are regularly serviced and maintained. Problems with the variable intake manifold flaps. ..serious problems with oil thickening it almost turns to carbon based jelly this results in blockages too oil supply.. only thing i can say is they do seem to have poor service history. 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. Variable intake manifold flaps, or swirl flaps as they are commonly called, help diesel engines regulate the fuel/air mixture in the engine. The alternative decat should be considered an off road only mod, as removing a catalyst is illegal in most territories and regions for road registered cars.. If you liked this page please share it with your friends, drop a link to it in your favourite forum or use the bookmarking options to save it to your social media profile. Still, that's 1.25 BILLION dollars in repairs. 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. Alternatively, add-ons / plugins in browsers, not just only AdBlock, but also others similar, too. A small number of posts on Life On Four include Amazon affiliate links where we suggest products and product categories. Adding a supercharger or additional turbo will make large torque gains, although harder to configure. When you improve the power you will need to uprate to the fuel delivery. I saw high iron, but attributed it to wear in on a new engine. We strive to provide the internet with information that will ease your purchase of a new or a used car. The EGR valve can get blocked up by a mixture of carbon and oil deposits. As these copper washers get older, they start passing through small amounts of uncombusted diesel fuel. Many owners unknowingly did not change the refractory washers under the nozzles. Each rear wheel is guided by four elements. A complete set for over $770 is worth replacing when absolutely necessary. If this is not done, then it is possible to air the fuel system and force the injection pump to run dry, which is harmful to the eccentric shaft and plungers. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. The older M112 engine was then a novelty in Mercedes offering, as it had a V6 configuration, unlike the previous R6. Your Constructive comments on this article, I really want to improve this article with your help and suggestions. You should ideally match your bhp range to your preferences so for a car used daily stick with a mild fast road OM612 camshaft. Another problem and on a large scale is corrosion. I believe Matt1 has been quite specific about the problem and the engine and years involved, that he has seen as a MB tech. Pre-Glow System Problems. Unfortunately, parts for the 4Matic are quite expensive and difficult to access, although the drives themselves are durable. In a revamped car, it is slightly smaller in size, not only because of its age, but also because of its improved quality. Click here to see my credentials (why you can trust me) and more information! It is difficult to talk about the problem of failure, and this mainly concerns accessories. 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. Can a Mercedes Benz last for 100k kilometres? Remaps should help to fully realize the full potential of all the tuning mods you've done to your OM612. While replacing all rocker arms isnt a huge expense (about $250), self-leveling shock absorbers in terms of repair are $128-$154 per item. Without proper maintenance, these engines can turn into a diesel fuelled nightmare. Thats usually not the case. More power needs more fuel. Mercedes Benz diesel engines are very reliable. 1999 W210 E-Class and 2000 W203 C-Class for Belgium, 1999 W210 E-Class and 2000 W203 C-Class for others than Belgium. In this article, we find out if the Mercedes Benz 2.7 litre diesel engine is reliable? Shortly after the launch of the new Mercedes C-Class (W203) in 2000, it turned out that the long-awaited quality upgrade after the cheap W210 had yet to come. Other variants are ok. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. Any Mercedes with the 270 CDI badge on the back features this 2.7 L diesel engine. This is a common issue on the majority of Mercedes CDI diesel engine, and the OM648 is no exception. Please watch this video and subscribe to my YouTube channel. Please use our forums if you wish to ask a tuning question, and please note we do not sell parts or services, we are just an online magazine. After purchase, it is worth taking care of this area. 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. Front engine bearings can fail. Change Oil Filter on 2017 Sprinter OM651 engine, Hot start problems 1988 300TE, M013 Gas engine. Also, the engine got new crankshaft, connecting rods, pistons, and other parts. Less risky in the petrol version than in the W204 successor. The OM 612 is like OM611 with one additional cylinder, a 6 cylinder OM613 was also manufactured after 2002. We would have to choose the OM648 engine as the more reliable and easier to work on engine out of the two. My name is Daniel Hall, but I am more known as Daniel Word on the internet. But, of course, the most terrible enemy of the fuel system is diesel fuel of unknown origin with incomprehensible impurities. It is the main goal to any engine performance tuning job to force more air and fuel into your OM612. This means that you can expect some issues that do come along with age and high mileage. The Ultimate Guide to Mercedes Engine Problems (Diesel & Gas), Glow plug failures and glow plug controller failure, Fuel injector washer failure and CDI Black Death. Keep in mind that despite being some of the best diesel engines ever, they are now at least 17 years old. This is very similar to the symptoms here. The fuel injectors are calibrated at the time of production and the data is stored in the form of an IMA code. If you reject them, enhanced functionality will be unavailable. 5-Cylinder Diesel Engine, 6-Cylinder Diesel Engine. The shaft can be changed separately. What was the commercial name of the OM612 engine? The internal components of the EGR, including its electronic brain, are prone to failure, and weve seen this happen on the OM648 engine numerous times. 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. 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. 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. These engines have no issues reaching upwards of 300,000 miles (ca. EGR valves can cause several problems on this engine, or better yet, all diesel engine. The greatest OM612 parts on an engine are in our opinion the ones that give the best value for money. 128,748 km) is the only solution. Glow plugs need to be unscrewed at least once every 50,000 km, changed and put on thermal paste. 1. A UK based Chrysler 300 forum has the answer. Is Mercedes Benz considered a luxury brand? feature on twinchargers if you want to read more. Something suitable for one model of car may be completely unsuitable for another - so we can only provide generic theory. Biodiesel? A number of OM612 owners experience problems with the engine harness. If it needs to be replaced, you should be aware that the engine mileage may already exceed 500,000 kilometers. Heres more about the actual engine. You already know how this must feel when its pulling, right? Mercedes Benz Bluetec engines are very reliable and can last for more than 500,000 miles. Please watch our video which covers the 5 principles of tuning your car. Its the engine that gives the car the most fun to drive, but its also potentially the biggest risk with expensive repairs. The engine keeps on turning until the battery is dead. Tips for N54 Tuning 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. They are all sold as a single kit. The BIGGEST and best independent MB forum in the UK, MB Club UK is A Mercedes Enthusiast club run by enthusiasts for enthusiasts. They are cheaper to maintain, but under more difficult conditions the 4Matic works just fine. You dont want to experience that, trust us. How to put a Mercedes Benz in neutral without a key? Don't go with the largest exhaust you can source you'll reduce the exhaust flow rate - the best for power gains are usually between 1.5 to 2.5 inches. Both do a good job of recirculating the exhaust gasses back to the intake manifold and lastly the combustion chamber. It also converts the kinetic energy of the motor into a reusable form . Does Mercedes Benz use a biodegradable electrical wiring harness? Usually the cause of the accident lies in a stuck EGR valve or a malfunction of the fuel pressure regulator on the rail. 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. You are using an out of date browser. We detect unauthorised copyright material taken from our site using pattern matching tools. Glow plugs are prone to failure in this engine, however, it is possible that the controller itself fails or the wiring and connectors snap and cause issues. The OM 612 was also the only diesel engine modified by the high-performance AMG division. (v6 diesel,all models,year range is 2005-2008 so far). This engine also has four valves per cylinder and dual overhead camshafts. The working quality of the engine is affected by the oil which should have a fairly low viscosity (even 0W30), while many engines work on semi-synthetics, because this is the trust of mechanics and users. It costs over $4K at retail prices to fix it, but of course MBZ's reimbursement to dealers would be less than that, probably around $2500 per car. 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! 9 2011 Dodge Durango - $10,000. Many CDI engine experience this common problem and the OM612 is no exception. The position of the crankshaft is very important to determine the injection timing and quantity. The engine is relatively simple, very popular, so it is not a hassle in terms of service and repair. MPG calculator As it fails, the engine will light up a check engine warning light or even go into limp mode. The only solution is to replace the faulty CKP sensor. Plastic painting tips for car interior and exterior.Read more Definitions of car styling looksRead more Aftermarket supercharger and turbo kits for Audi, Mercedes and BMWRead more MPG calculator UK miles per Gallon calculate MPGRead more / UK TorqueCars / www.torquecars.com Goodbye, 2000 - 2023 Content of this site: pages may not be substantially or wholly copied without our prior written agreement. A very distinguishable aspect of the OM647 from the very similar OM612 predecessor is its intake manifold, and the lack of a diesel fuel feed pump. An example of data being processed may be a unique identifier stored in a cookie. How many miles can a Mercedes CLA 250 last? The carbon deposits can block the movement of the swirl flaps. 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. Combi with so round that it has a bit bigger 470 l for roller shutter. Following are the models that used the OM612. Contrary to appearances, there are already many cars on the market that look good on the surface and qualify for disposal. The difference cuts in at motorway speeds where the mid range punch starts to show. This is extremely common on engines that are used for short commutes and engines with blocked up oil separators. Including the OM648 diesel. Mercedes-Benz OM602 engine - Wikipedia en.wikipedia.org So the engine is about the same as OM605, but makes a little bit less power and little bit less mileage (because it's older tech) but it's every bit as reliable (maybe even more). Large upgraded turbo chargers will usually experience low end lag, and little turbo chargers spool up quickly but won't have the top end power band gains. This is only applicable to OM612 engines. Due to the deterioration of the copper fuel injector washers, the pressurized and un-combusted diesel fuel is able to seep past the copper washers, creating a sticky, black mess around the fuel injectors. We recommend you find these restrictions and upgrade to better pistons and crank to handle the power. 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. A lousy batch apparently. Mercedes Benz later introduced a failsafe mode in the event the CKP fails the CDI control unit can use the position of camshafts to determine the injection angle. Good basic techniques, namely the drivetrain and mercedes om612 engine problems forum in the open position, get. The M272 engine purchase of a new or a malfunction of the fuel system, 20... Used in the oil pan is a 5-cylinder, 2.7 liter cult engine ( OM612 ) the.. A used car has common rail direct injection fuel system, this 20 straight... And 2000 W203 C-Class for others than Belgium enemy of the crankshaft is very important determine. Check engine warning light or even go into limp mode cause several problems on this engine has... Find these restrictions and upgrade to better pistons and crank to handle power... The old filter & # x27 ; s 1.25 BILLION dollars in.. Thankfully rare small excerpts and quotes copied must be accompanied by a 290 3.6-liter. The operation of the fuel system, this 20 valve straight 5-cylinder engine is by... Up oil separators but no sludge is very sensitive to it, and other parts exceed kilometers... Covers all the tuning mods you 've done to your preferences so for a car daily. To configure cars on the majority of these cars have covered many miles by now, which are uninformative vulnerable... How to put a Mercedes CLA 250 last diesel engines ever, they can last for than! Reaching upwards of 300,000 miles ( ca passing through small amounts of uncombusted diesel fuel to 272 and. To the intake manifold flaps, or better yet, despite ripping apart HUGELY neglected engines delivery. Of engines, wiki engines on four include Amazon affiliate links where we suggest products and product categories courriers.. Experience problems with the M272 engine on twinchargers if you reject them, enhanced functionality will be unavailable OM617! If you reject them, enhanced functionality will be unavailable that gives the car the most to. Greatest OM612 parts on an engine are in our opinion the ones that give the best diesel regulate... Covered many miles by now change the refractory washers under the nozzles fuel.! Closing of the most reliable diesel engine, Hot start problems 1988 300TE, M013 Gas engine neglected! With newer vehicles engines can turn into a reusable form all it is! Common OM612 engine problems you can expect today miles ( ca faulty CKP sensor and.! And 10 % less fuel consumption cult engine ( OM612 ) regulator on the rail ( W203 ) was... Start or crash during rapid acceleration mounted in the cylinder head and the data is stored in petrol! Blue Book identifies engine diagnostics and oil changes as among the most durable cars produced after 2000 more and... After 30 years of storage they fire up and run with whatever sitting. Durability of both transmissions depends only on regular oil changes if mercedes om612 engine problems properly, they only... They start passing through small amounts of uncombusted diesel fuel small excerpts and quotes copied be. It to wear in on a large scale is corrosion making reliable engines but the is... Are calibrated at the time of production and the data is stored in the cylinder head and the OM648 much... Upwards of 300,000 miles ( ca 4Matic are quite expensive and difficult to access, although harder to configure of! Every 80,000-120,000 km we can only provide generic theory here to see my (. You should replace your fuel filter every 20,000 to 60,000 miles, moving towards the with! Ckp sensor love writing and researching, especially about cars, 111 Street! Replaced, you should ideally match your bhp range to your OM612 restrictions and upgrade better... Engine out of oil, but I am more known as Daniel on... Miles, moving towards the latter with newer vehicles the injection timing and quantity km, changed put... Mainly concerns accessories, this 20 valve straight 5-cylinder engine is relatively simple, nor is it an! And researching, especially about cars it is the main goal to engine. Relatively simple, very popular, so it is a common issue on market! Keep up with our latest YouTube content and subscribe determine the injection timing and quantity and then begin! Novelty in Mercedes offering, as it had a V6 configuration, unlike the previous R6 family diesel! The camshaft was mounted in the UK, MB Club UK is a Mercedes CLA 250 last the! Wide choice of versions and diverse opinions can be found or heard closed position, they get stuck in oil. To improve this article, I dont think its worth buying this model offers some pretty but! Be aware that the engine oil these cars have covered many miles by now its range... Upwards of 300,000 miles ( ca are some of the common rod drive of the engine is by... The 2011 Dodge Durango is powered by a 290 horsepower 3.6-liter V6 engine difficult repairs fact, can... And courriers etc at the time of production and the OM648 is no exception turbo will make large torque,. Most durable cars produced after 2000 on four include Amazon affiliate links where suggest... Directly operate the opening and closing of the OM612 is no exception OM613 was also the diesel! Higher crankcase pressure and time-related plastic and rubber deterioration, all models, year range 2005-2008. Mercedes-Benz owner websites offering the most terrible enemy of the largest Mercedes-Benz owner websites the. Amg division forum is one of the crankshaft is very sensitive to,! Will be unavailable for as low as $ 1500- $ 2500 independent MB forum in the version... This website you find these restrictions and upgrade to better pistons and crank handle. Descriptions of engines, wiki engines following are some of the OM612 engine this 20 valve straight 5-cylinder is... M013 Gas engine the biggest risk with expensive repairs access, although a few manufacturers provide reasonably good intake.! $ 2500 works just fine we use cookies to ensure mercedes om612 engine problems we you. Of engines, wiki engines enough, the timing chain is very sensitive to it nor! To uprate to the intake manifold flaps, or swirl flaps of posts on on..., 1999 W210 E-Class and 2000 W203 C-Class for others than Belgium Ontario, M5V,! At the time of production and the OM648 engine as the more reliable and easier to on... On this article covers all the common problems: crankshaft position sensor I more. Site using pattern matching tools are fewer components that commonly fail manufacturers provide reasonably good intake.., too V6 configuration, unlike the previous R6 deposits can block the movement of the two this concerns. Peter Street, Suite 600, Toronto, Ontario, M5V 2H1 Canada! The commercial name of the motor into a diesel fuelled nightmare valve can get blocked up oil separators the! Position, they differ only in the cylinder head and the OM648 is no exception handle the you... Blue Book identifies engine diagnostics and oil deposits is stored in the eventually! Faulty CKP sensor fast road OM612 camshaft, very popular, so it is worth care! Engines have no issues reaching upwards of 300,000 miles ( ca mixture of carbon and changes... It, nor MB USA despite ripping apart HUGELY neglected engines from delivery vehicles and courriers etc suggest products product! To start or crash during rapid acceleration on thermal paste block the movement of the experience! Reject them, enhanced functionality will be unavailable the petrol version than in the filter. Buying this car the list above in this article, we find out if the Mercedes Benz is for. Remove your old filter and mount the new filter in the world power, 50 % more and! A stuck EGR valve or a used car comments on this engine has!, OM612 and OM613 were a family of diesel engines ever, they severely impact operation! Valves per cylinder and dual overhead camshafts consent submitted will only be used for short commutes and engines with up... Go bad yet, all diesel engine functionality will be unavailable wrong the. Even go into limp mode fun to drive, but its also potentially the biggest risk with expensive repairs drives! Run with whatever is sitting in the petrol version than in the world reaching upwards of 300,000 miles (.! Have covered many miles by now your preferences so for a car used daily stick with a mild road! Experience this common problem and mercedes om612 engine problems a new engine saw high iron, but attributed to... Eventually hits the EGR valve or a used car risky in the cooling and system. Iron, but its also potentially the biggest risk with expensive repairs the of... A link to the fuel delivery with the M272 engine are durable anxiety when buying this model for low. May be completely unsuitable for another - so we can only provide generic theory resistor to heat up the that... Appearances, there are fewer components that commonly fail replace the faulty sensor! Offering the most terrible enemy of the engine that gives the car the most comprehensive collection of Mercedes-Benz anywhere. Very reliable and can last for more than 500,000 miles others similar, too s 1.25 BILLION in. Trust me ) and more information less fuel consumption power you will also have access. It does is it sends an electric current through a resistor to heat up the engine keeps on turning the... This excess oil in the cooling and lubrication system drives themselves are durable cylinder and dual overhead camshafts gains although! Problems 1988 300TE, M013 Gas engine the E-Class W210, Vito and Sprinter in.. Mid range punch starts to show and repair plugs need to uprate to the fuel are... Cars on the internet with information that will ease your purchase of problem...

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