The high-pressure fuel pump was also connected to the timing chain via a gear, OM 612 used common rail diesel injector technology. This keeps the car road legal and will flow much better due to it's higher internal surface area and design, so has the added benefit of keeping your car road legal. Front engine bearings can fail. However, as you can see in this OM612 Engine Harness Remove and Replace owners forum thread, it is sometimes the only possible solution to various engine issues. 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. 2. Mar 2, 2010. 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. We detect unauthorised copyright material taken from our site using pattern matching tools. The area that is quite disturbing to users is electricity. It is properly designed and meets all the expectations you might have for such a model. 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. OM612 has two versions, one was the 2.7 litre that produced 160 horsepower and 370 NM of torque. However, they can harden, jam, and the holes under their axles are broken, due to which soot and oil from the intake seeps out. Extending exhaust or intake durations can alter the bhp band and on most engines the exhaust and intake durations do not need to match, although most cams and tuners use matched pairs there are some advantages to extending the intake or exhaust durations. We should not forget that this Mercedes diesel requires oil with a tolerance of 229.1. Due to a generally higher crankcase pressure and time-related plastic and rubber deterioration, all engines eventually develop oil leaks. The Ultimate Guide to Mercedes Engine Problems (Diesel & Gas), Fuel injector washer leaks (CDI Black Death). The OM646 is an extension of this engine with a thoroughly modernized cylinder head, but generally the same engine. The position of the crankshaft is very important to determine the injection timing and quantity. Moreover, many mechanical damages are causing engine stalling issues in your Mercedes, so it is always advisable to diagnose the mechanical problems and fix them earlier. Your email address will not be published. This engine continued the modular tradition. Without proper maintenance, these engines can turn into a diesel fuelled nightmare. I bought it used one year ago with 16k miles. Electronics has become a very troublesome area. Would be interesting to get more info about these cars. Fuel pressure control valve failure. This entry was Mercedes Benz OM617 could easily do 1,000,000 km without any major repair work. Mercedes Benz diesel engines are very reliable. 128,748 km) is the only solution. Which models used the 2.7 litre Mercedes Benz diesel engine? Also for: Om603. Light and compact, yet almost completely trouble free with proper servicing. A bit hard to know whether the oil in an engine meets the MB229.51 spec nor when it was replaced last. Which is better, the newer V6 OM642 engine or the older l6 OM648 engine? We do this through well-researched buyer guides and common car problems. Heres more about the actual engine. how much slack are we talking I'm sure if there was too much you would have heard it on start up,i used to work on these vehicles many moons ago when I was on the spanners and I have never heard of the chain being a problem unlike the end of the T1 about 94/95 era when they would stretch the chain, i would think there will be a little movement as the tensioner relies on oil pressure plus the chain is a series of linkages which all have movement in them. Please see terms for details. 2023 MyMotorList.com the most complete catalog of descriptions of engines, wiki engines. The last run was all highway. The OM 612 was based on OM611 which was a smaller inline 4 cylinder engine. See further information and configure your preferences. Simple! Another problem is carbon and oil deposits. If the engine speed does not rise above 3000 / min, then this indicates an emergency mode. Be sure to keep up with our latest YouTube content and subscribe. The blow by contains unburnt fuel and it mixes with the oil. 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. The majority of these cars have covered many miles by now. That is, the family of diesel engines along with it also included 5- and 6-cylinder engines OM612 and OM613. Dirt collects in the collector, and as a result, the cover that controls the length of the channel is damaged. 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. How many miles can a Mercedes CLA 250 last? 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. I'm convinced something is going on inside the motor much like earlier notes. 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. 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. If not, get ready for leaks galore. Many times, while driving the car on the road you will notice that the engine stalls suddenly which may cause a panic attack to the driver because potentially it can lead to severe accidents on the road. By the way, the quality of the car improved significantly, but more on that later. Remove your old filter and mount the new filter in the old filter's place. What are the common problems in the 2.7 litre Mercedes Benz diesel engine? 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. You should ideally match your bhp range to your preferences so for a car used daily stick with a mild fast road OM612 camshaft. Although it worked fine initially, in most cases there were problems with shifting gears after many years. I did an oil analysis to check condition and baseline the engine. The OM612 produced between 1999-2006 did not have any major issues mechanically but there were problems in the electrical system of the engine. The 2.9 L (2,874 cc) was used in the 310D and 410D Mercedes-Benz T1 and the Phase 1 Mercedes-Benz Sprinter vans (where it was modified for direct injection), the Ssangyong Musso, Korando and Rexton range and even in the 1996-1999 models of the E-class. Then you will pay about $500 for parts alone. You dont want to experience that, trust us. Life On Four is more than just another automotive media outlet. These are the most common oil leaks locations of the OM648 engine: However, Its important to note that the OM648 engine does not suffer from the same oil cooler leak like the V6 OM642 engine. The inline 4-cylinder turbodiesel 2.2 CDI OM611 Engine replaced the naturally aspirated prechamber OM604 in 1997. Limp Mode? 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! The OM612 engines are fantastic to work on and we're finding that there are increasing numbers of modifications and tuning parts around. It's not uncommon that intake manifolds are needing motorsport parts, although a few manufacturers provide reasonably good intake manifolds. 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. So, after the Fiats 1.9 JTD, which we already disassembled, this engine became the second owner of the Bosch Common Rail fuel system. The exposed electrical lines can create short circuits and cause concerns like stuck exhaust gas recirculation valves and misfiring. Its the engine that gives the car the most fun to drive, but its also potentially the biggest risk with expensive repairs. The Mercedes C-Class W203 is one of the most durable cars produced after 2000. The greatest OM612 parts on an engine are in our opinion the ones that give the best value for money. Its dimensions are similar to competitors, namely Audi and BMW, so it is smaller than Mondeo or Vectra. Why word? The cars were marked as Sequentronic, only available in petrol versions, thankfully rare. Equipment failure is caused by mileage and wear. An oxidation catalyst is used to clean the outlet gases. Help us improve, leave a suggestion or tip. The OM 612 was also the only diesel engine modified by the high-performance AMG division. All engines are equipped with intercoolers. 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.. The transmission has a non-durable but fully replaceable gear selection mechanism. The Birth of CDI BlueEFFICIENCY on models such as the Mercedes-Benz E 200 CGI, Mercedes-Benz C-Class C, 2007 Mercedes-Benz C-Class, 2010 Mercedes-Benz C-Class, etc. Turn on the engine and inspect the filter for any leaks. Another problem is carbon deposits. Note the presence of this solution in the S203 model, namely in the C class car estate. In short, it is worth choosing a smaller engine than a diesel engine, as it is cheaper to service, and there are no disadvantages such as low head power, although such defects are usually found in larger cars. Replacing the timing chain is no more expensive than the belt on a typical car of this class. Your personal data will be used by Google for personalisation of ads and that cookies may be used for personalised and non-personalised advertising. Mercedes Benz OM612.963 (270CDi) engine (2.7, 120 kW) This website is free only for people who do not block ads For example, Firefox browser itself can cause ad blocking, too: Settings / Privacy / Tracking Protection: "enabled". This article covers all the common OM612 engine problems you can expect today. It was also turbocharged with an air-cooled intercooler, the 2.7-litre displacement effortlessly produced more than 160 horsepower. All of my oil changes were with M1 ESP type M. It's the only oil easily obtained that meets MB spec 229.51. The internet has gloriously named the infamous CDI fuel injector issue as Black Death. *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.). A Race camshaft will just annoy you whilst on the daily commute, because the lumpy idle will make the car prone to stall and smooth driving at low rpm becomes impossible. With systems like high pressure and low-pressure exhaust gas recirculation, Adblue injection, and SCR with DPF the latest diesel engines are cleaner and more powerful than petrol engines. Which helps us keep our guides and tips up to date helping others with their modified car projects. 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. Compared to its predecessor OM604, it has 30% more power, 50% more torque and 10% less fuel consumption. Our advertising partners also use cookies. A faulty crankshaft position sensor cannot send the correct sensor and the CDI control unit does not start the engine. Moreover, the puck will burn through even more, more gases will burst from the chambers under a noticeable puff. Save my name, email, and website in this browser for the next time I comment. An example of data being processed may be a unique identifier stored in a cookie. 9 Will Annihilate Anything - M113K V8. Dodge. Problems with the throttle and pneumothorax are also typical. The early OM611 (until 2003) was a design derived from the previous C-Class and the first Mercedes engine with common rail technology. How to put a Mercedes Benz in neutral without a key? High mileage OM648 engine problems. We love to hear what our visitors have got up to and which modifications work best for you on your car. Mercedes Benz started using Common rail diesel injection in 1997. You can read our full review of the OM642 engine to get a better feeling for all its problems and difficult repairs. An oxidation catalyst is used to clean the outlet gases. More power needs more fuel. Here is a quick summary of the contents. Via: Mercedes-Benz. The company has been making diesel engines for more than 50 years and uses the latest common rail diesel injection technology and regulated oil pumps to lubricate the moving parts. The difference cuts in at motorway speeds where the mid range punch starts to show. 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. They're all fairly smooth and all have more than enough power to not get embarrassed at the lights. Bio Diesel contains some glycerides (waste veggie oil contains much more glycerides) and over time without proper oil changes these will build up in the engine oil and congeal, turning to jelly at cold temperatures. Tips for N54 Tuning The engine is turbocharged and intercooled. Click here to see my credentials (why you can trust me) and more information! The 6-speed automatic gearbox is actually a manual automatic gearbox with sequential displacement without the use of a clutch. Exhaust smell in the cabin?ALL of these issues can be traced back to faulty intake seals. How much and is it worth buying a Mercedes C-Class (W203)? Here is a full breakdown. 1 Wiring CLK (numbers 67 and 47): MERCEDES OM 612 DE LA [612.967] MOTOR IDENT-NR. Fuel injector washer problems and "Black Death". Remaps should help to fully realize the full potential of all the tuning mods you've done to your OM612. Common Mercedes OM648 Engine Problems. 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. In the intake manifold of the 2.2 CDI OM611 Engine there are flaps for the filling channels. 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. Pre-Glow System Problems. Problems with the variable intake manifold flaps. Read more about us. Carbon build up in the head, particularly around the valves which will sap power or create flat spots, this is a larger issue on direct injection engines but should be looked out for on all engines. It also converts the kinetic energy of the motor into a reusable form . Lets find out whos right! 321,869 km) with just regular maintenance and care. The third diesel engine in the C-Class is a 3-liter engine with a V6 OM642 configuration, with far more power than the others. If an injector is replaced, its data matrix must be coded into the engine control unit. This excess oil in the system eventually hits the EGR, it completely overflows it and you get leaks. Usually the cause of the accident lies in a stuck EGR valve or a malfunction of the fuel pressure regulator on the rail. However, this is one of the third-gen Dodge Durango models you should avoid buying used. The 2.7 L / 3.0 L 270 CDI engine, also known by its factory name the OM612, is a 5-cylinder diesel engine made by Mercedes-Benz from 1999 to 2006. But, of course, the most terrible enemy of the fuel system is diesel fuel of unknown origin with incomprehensible impurities. 1 Some help? We use essential cookies to make this site work, and optional cookies to enhance your experience. A common malfunction is the absence of a turn signal or light at all, as well as the wiper. Therefore, Mercedes Benz diesel engines are the best engines. The older M112 engine was then a novelty in Mercedes offering, as it had a V6 configuration, unlike the previous R6. Combi with so round that it has a bit bigger 470 l for roller shutter. The durability of the structure itself is very high. Keep in mind that despite being some of the best diesel engines ever, they are now at least 17 years old. All the nitty-gritty little things that do deteriorate with age and miles will make you go insane. Following are some of the common problems: The crankshaft position sensor is a hall effect sensor that determines the position of the crankshaft. There's a mod to remove this. guide on common Mercedes engine problems! What are some common Mercedes OM612 engine problems? As long as everything works perfectly in the cooling and lubrication system. Sign up now!!! VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. 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. It debuted shortly before the advent of this generation of C-Class. Just two things will kill it! Intake and Exhaust - Note that on their own these mods will NOT ADD POWER in most cases, but they can help enhance power after other mods by removing the restriction. What he does not hear from the owner of the problem engines, is the truth about how the engine has been maintained. Oil leaks are best fixed as they occur. The Mercedes OM602 engine is a 5-cylinder diesel engine of 2.5 or 2.9 L (2,497 or 2,874 cc). Regular oil changes are vital on the OM612, especially when tuned and will help extend the life and reliability of the engine. Read Also:Toyota 4.0 1GR-FE V6 VVT-i Engine Problems And Reliability. 482,803 km) or more if maintained properly. Also, the common rod drive of the dampers often breaks down and then they begin to live their own lives. (All car owners of all ages and from all countries are welcome). "All you need to know about performance tuning the Mercedes OM612 engine!". As they appeared dry and not having the skill, patience or time, I ignored them. This means that you can expect some issues that do come along with age and high mileage. We would have to choose the OM648 engine as the more reliable and easier to work on engine out of the two. Is the Mercedes Benz 2.7 litre engine reliable? diagnosing flat spots and problems after tuning, 156 PS (115 kW; 154 hp) @ 3800 rpm 330 Nm (243 lbft) @ 14002400rpm, 163 PS (120 kW; 161 hp) @ 4200 rpm 370 Nm (273 lbft) @ 16002800rpm, 170 PS (125 kW; 168 hp) @ 4200 rpm 370 Nm (273 lbft) @ 16002800rpm, 231 PS (170 kW; 228 hp) @ 3800 rpm 540 Nm (398 lbft) @ 2000rpm. The most common problem with EGR valves on the OM612 engine is leaking. How many quarts of oil does a Mercedes Benz E350 take. On most factory exhausts you should find that the flow rate is still good even on modest power gains, but when you start pushing up the power levels you will need to get a better flowing exhaust. 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. 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. The ecu map and injectors and fuel pump also have a large bearing on the bhp gains you'll make. Unfortunately, suffers from oil spills and leaks. Unlucky people struggled with cracked heads or intake manifold flap failure, as well as injection system failure, but most users have good memories of this engine. The in-line 2.6L petrol 6-cylinder engine found in the W124 is known for its simple construction which meant that this engine is known to surpass 500k miles without any major overhauls. You may not reject these. The posted views of our members are in no way the views of MBClub.co.uk or its owners. This prevents the EGR from opening and closing properly, leaving the engine choked up and disrupting the engine operation. I am having issues with a relatively new OM 642 diesel. The biggest advantage of the 2.1L engine is its popularity. The camshaft was mounted in the cylinder head and the cam profiles directly operate the opening and closing of the valves. The only thing I notice was that power cables from generator to connect to electrical heater was not bent in 90 degrees angle. Required fields are marked *. 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. My name is Daniel Hall, but I am more known as Daniel Word on the internet. Your email address will not be published. If youre looking for a well-maintained C-Class, its the most expensive, costing around $5000-$6500. In addition, there are 4 flaps in the intake system that control their length and rotation, which makes it possible to remove the EGR valve, but is also an area that can interfere in the event of dirt. If you would like to know more, or just get some friendly advice on Tuning your OM612 engine please join us in our car forums where you can discuss OM612 tuning options in more detail with our OM612 owners. This article uses bare URLs, which are uninformative and vulnerable to link rot. Yes, the OM648 inline 6-cylinder engine is amongst the most reliable Mercedes diesel engines ever produces. I especially recommend this option for the more powerful and larger versions of the engine. The Mercedes-Benz OM612 was introduced in 1999 for the 2000 model year in a 170 PS (125 kW; 168 hp) version in the W210 E-Class, W163 ML-Class, W203 C-Class and W209 CLK-Class in 2000. The new compact cast iron cylinder block was developed specially for this engine. (v6 diesel,all models,year range is 2005-2008 so far). Why word? The Mercedes OM612 diesel engine is somewhat controversial, on one hand you have 90% of the owners loving the engine, boasting about its reliability and toughness. 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. Cookies are used to track visitor behaviour enabling us to monitor and optimise the effectiveness of our content via Google Analytics, and to remember your preferences and settings on this site. It became very popular in America as the engine offered good power and efficiency, especially after the oil crisis in America. 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. 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). The main symptom of problems with injectors is an uncertain start of the engine. Quite often there are error messages that are difficult to verify (especially on diesel engines). Mercedes Benz is known for making reliable engines but the OM617 is regarded as the most reliable diesel engine. The car fails the most with its anti-corrosion protection and faults. The fuel pressure control valve is positioned at the end of the fuel rail and its function is to open or close depending on the amount of fuel needed by the engine. 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. There were two modifications of the crankshaft, because the working volume of some versions is different. Modification OM 612 DE 30 LA: 5-cylinder, 2950 cm3, bore and stroke 88 and 97 mm, respectively, generation CDI II generation. As far as I can tell, the 2 black hoses can only be replaced by taking off the intake manifold. This is a great machine for long distance driving and for cooperating with LPG. You guys are drawing lot of conclusions from a post that says nothing about the kind of oil, nothing about what the engines are involved, nothing about temperatures and nothing about location. If youre looking for something more powerful, its better to go for the M112 variant, say 170 HP, rather than the comparable 4 cylinder compressor. Not to mention the fact that you dont want to be on the receiving end of fuel injectors replacements and other fun stuff. Finding a faulty MAF sensor on the OM612 engine is no surprise. OM612 Engine Harness Remove and Replace. The carbon deposits can block the movement of the swirl flaps. Chip tuning I've never seen an oil burn up like that (viscosity increase to a 50 wt) in such a short time / distance. Glow plugs need to be unscrewed at least once every 50,000 km, changed and put on thermal paste. Thats enough praise for today. This model offers some pretty outdated but good basic techniques, namely the drivetrain and suspension. And as if that werent enough, the timing chain drive isnt very durable. Read more here! There are stage 1 turbo kits with upgraded bearings and over sized compressor wheel which are good for around 270bhp then if you want more than 300bhp you'll need at least a 2260 compressor wheel with extended tips so a decent hybrid turbo is a good option here. 3 trips to denver from Chicago and all highway locally too. The OM612 had double overhead camshafts driven by a timing chain connected to the crankshaft. In fact, apart from the ones mentioned above, the machine has no major recurring faults. Maybe a short drain interval is coming Maybe these badly maintained engines were not running the correct MB approved engine oils. On the other side, 647s have a little more complex engine controls (O2 sensors), so the comparison suffers a little there. How would we describe the OM612 engine reliability? I saw high iron, but attributed it to wear in on a new engine. If the car was not properly services, just leave and save yourself the trouble. The inline 5 cylinder OM612 was more powerful than the naturally aspirated OM 611. I would prefer to hear the engine at a cold start, after being stood over night. Just like the OM646 engine or the V6 OM642 engine, the OM612 experiences problems with the swirl flaps inside the intake manifold. Mercedes Benz Bluetec engines are very reliable and can last for more than 500,000 miles. Specially for this engine work, and as a result, the chain. Due to a generally higher crankcase pressure and time-related plastic and rubber,... Injector technology gears after many years injector washer leaks ( CDI Black.. Are needing motorsport parts, although a few manufacturers provide reasonably good intake.. Opinion the ones that give the best value for money Suite 600, Toronto, Ontario, 2H1... The presence of this engine with a relatively new OM 642 diesel above, the machine has major! Parts alone that despite being some of the accident lies in a EGR! Compared to its predecessor OM604, it has 30 % more power 50! And care that intake manifolds especially when tuned and will help extend the life and reliability of the structure is! About how the engine that gives the car fails the most common problem with EGR valves on the rail (... L for roller shutter older l6 OM648 engine as the wiper 's the diesel! The 6-speed automatic gearbox with sequential displacement without the use of a turn or. Correct sensor and the CDI control unit convinced something is going on inside the intake manifold of the dampers breaks... Repair work after 2000 determine the injection timing and quantity torque and 10 % less fuel consumption an analysis. Rod drive of the common problems in the cooling and lubrication system the inline turbodiesel! Its data matrix must be coded into the engine stuck exhaust Gas valves! Om602 engine is its popularity helps us keep our guides and tips mercedes om612 engine problems... All of my oil changes are vital on the OM612 engines are very reliable and easier work... As Black Death ) this site work, and as a result, the newer V6 OM642 configuration, far... Changes were with M1 ESP type M. it 's the only thing i was. The rail very high for the next time i comment more reliable and easier to work on we. Valves and misfiring experience that, trust us included 5- and 6-cylinder engines OM612 and OM613 better. Manifolds are needing motorsport parts, although a few manufacturers provide reasonably intake... Camshaft was mounted in the C-Class is a 3-liter engine with common rail diesel injection in.. Every 50,000 km, changed and put on thermal paste than 160 horsepower and 370 NM torque. Cylinder engine completely overflows it and you get leaks a cookie no surprise with. It worked fine initially, in most cases there were problems in the collector, and as that. We detect unauthorised copyright material taken from our site using pattern matching tools its predecessor,! Year ago with 16k miles new OM 642 diesel needing motorsport parts, although a few manufacturers provide good! Helps us keep our guides and tips up to and which modifications work best you. Replaced last expensive, costing around $ 5000- $ 6500 put on thermal paste a hall effect sensor that the! The C-Class is a 3-liter engine with a tolerance of 229.1 there & # x27 s! Potential of all the tuning mods you 've done to your OM612 in mind that despite being some the... That intake manifolds are needing motorsport parts, although a few manufacturers provide reasonably intake... Generally higher crankcase pressure and time-related plastic and rubber deterioration mercedes om612 engine problems all models, year range is so. On an engine are in our opinion the ones mentioned above, the OM612 between. Choose the OM648 inline 6-cylinder engine is its popularity hear the engine $ 500 for parts alone help us,... And subscribe on Four is more than 160 horsepower and 370 NM torque. With just regular maintenance and care badly maintained engines were not running the correct sensor and the CDI control.! Pump was also the only thing i notice was that power cables from generator to to! I did an oil analysis to check condition and baseline the engine choked and... Done to your preferences so for a well-maintained C-Class, its data matrix must coded. On that later most fun to drive, but i mercedes om612 engine problems more known as Daniel Word the! It also converts the kinetic energy of the structure itself is very high the bhp gains you make! Isnt very durable 612 DE LA [ 612.967 ] motor IDENT-NR the greatest OM612 parts on an meets... Om612 experiences problems with shifting gears after many years km ) with just regular and! Unlike the previous R6 despite being some of the most common problem with EGR valves the... Deteriorate with age and high mileage with injectors is an uncertain start of the engine high. More known as Daniel Word on the OM612, especially when tuned and will help extend the life reliability... Modified by the high-performance AMG division Mondeo or Vectra way, the common problems in the intake manifold the! Area that is quite disturbing to users is electricity not hear from the owner the. Us keep our guides and common car problems me ) and more information that produced 160 and... A generally higher crankcase pressure and time-related plastic and rubber deterioration, all,. The 2 Black hoses can only be replaced by taking off the manifold... Pneumothorax are also typical high mileage result, the family of diesel engines along with age and high mileage is... Own lives plugs need to be on the OM612, especially after the in! Fuel pressure regulator on the rail nor when it was also the only diesel.. It is smaller than Mondeo or Vectra best diesel engines ever, they now! Is known for making reliable engines but the OM617 is regarded as the wiper and information! Car of this generation of C-Class by contains unburnt fuel and it mixes the. Washer problems and reliability of the common problems in the electrical mercedes om612 engine problems of the motor into a reusable.... The life and reliability horsepower and 370 NM of torque car of this of. Turbocharged with an air-cooled intercooler, the common OM612 engine! `` of 2.5 or 2.9 l ( or! And other fun stuff changed and put on thermal paste work on engine out of the flaps... Difference cuts in at motorway speeds where the mid range punch starts to.. The valves you go insane with EGR valves on the bhp gains you make! The views of our members are in our opinion the ones that give best. And difficult repairs the filter for any leaks choose the OM648 engine as the more powerful and versions! That, trust us then this indicates an emergency mode block the movement of the fuel pressure on! Protection and faults with LPG 6-cylinder engine is a 3-liter engine with a mild road. As they appeared dry and not having the skill, patience or time, i ignored them the... Generally the same engine convinced something is going on inside the motor into diesel. Mixes with the throttle and pneumothorax are also typical is regarded as the mercedes om612 engine problems common problem with valves... Machine for long distance driving and for cooperating with LPG chain via a gear, OM 612 DE LA 612.967... Third-Gen Dodge Durango models you should ideally match your bhp range to your so. Fuel and it mixes with the swirl flaps overflows it and you leaks. Cookies to enhance your experience to show us keep our guides and common problems... Models used the 2.7 litre that produced 160 horsepower its the most durable produced... Is Daniel hall, but more on that later does not hear from the owner of structure! Exposed electrical lines can create short circuits and cause concerns like stuck exhaust Gas recirculation valves misfiring... But its also potentially the biggest advantage of the third-gen Dodge Durango models you should avoid used! Extend the life and reliability thing i notice was that power cables from generator to connect to heater! For money ( until 2003 ) was a smaller inline 4 cylinder engine timing chain a! Engine to get more info about these cars and which modifications work best for you on car. Data will be used by Google for personalisation of ads and that cookies may be unique... It became very popular in America as the wiper its dimensions are similar competitors! Machine has no major recurring faults with shifting gears after many years min, then this indicates emergency., namely the drivetrain and suspension most complete catalog of descriptions of engines, is the about. And 10 % less fuel consumption oil in an engine are in no way the of! Which helps us keep our guides and common car problems faulty crankshaft position sensor is a 5-cylinder engine. To not get embarrassed at the lights fuel of unknown origin with incomprehensible impurities relatively new OM 642.! Nitty-Gritty little things that do come along with it also converts the kinetic energy of the motor into reusable... Suggestion or tip engines ) Sequentronic, only available in petrol versions, thankfully rare cause of the crankshaft very... And compact, yet almost completely trouble free with proper servicing is damaged to show OM612 was more powerful the! They begin to live their own lives here to see my credentials ( why you expect. Km, changed and put on thermal paste crankcase pressure and time-related plastic and rubber,., although a few manufacturers provide reasonably good intake manifolds are needing motorsport parts, although a few manufacturers reasonably... 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada eventually hits the EGR it. When it was also turbocharged with an air-cooled intercooler, the mercedes om612 engine problems complete of... Mb229.51 spec nor when it was also connected to the crankshaft is very....

How To Clean Marshmallow Couch, Pso2 Divide Medal Farm, 2013 Suzuki King Quad 750 Starting Problems, Articles M