Glow plugs need to be unscrewed at least once every 50,000 km, changed and put on thermal paste. Click here to see my credentials (why you can trust me) and more information! Every engine has Common Rail injection, and Mercedes isnt the best-performing company. 2 and 3 connecting rods are deformed, liners wear out. 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. Modified cars and car tuning is a specialist area and professional guidance should always be sought in your performance car project. Mercedes 2.2 CDI (OM611) Engine Specs, Problems, Reliability, 2.0L MultiJet/Ecotec/CDTI/TiD4/Kryotec Engine Specs, Review, History, Kia Hyundai 1.4 MPi (G4FA) Gamma Engine Specs, Review, History. Which helps us keep our guides and tips up to date helping others with their modified car projects. Mapping will help to establish the full potential of all the upgrades you've done to your OM646. Specifications Of The Mercedes 2.2 CDI OM611 Engine. Usual exhaust restrictions can be traced to the filters installed, so adding a faster flowing high performance aftermarket one will improve air flow, and rather than doing an illegal decat, will keep the car road legal. Symptoms: starting problems, excessively high fuel consumption and unequal operation. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()). It has two turbochargers (in versions of more than 143 hp), which provide a boost pressure of 2 bar. We love hearing about our website visitors projects, especially the mods done and which work best for you on your car. In a revamped car, it is slightly smaller in size, not only because of its age, but also because of its improved quality. All content is subject to copyright protection - LifeOnFour 2023. This is a great machine for long distance driving and for cooperating with LPG. Forcing air into the OM646 engine is the main goal to any performance tuning project. The original cost over $ 80. If you continue to use this site we will assume that you are happy with it. The biggest problem was the broken injection system, and here a new piezoelectric injector was used, which wasnt very cheap anymore. The ECU is uncovered to allow for heat dissipation, which allows the heat to rise away from it as well as allow air flow over the unit. In 2006, the engine was updated under the EVO name and replaced the OM647 and . Well, the drive is located on the side of the gearbox. This is not common, however it is known to happen. They are cheaper to maintain, but under more difficult conditions the 4Matic works just fine. . There are also modifications of BlueTEC and BlueEFFICIENCY. Common Issues by Model or Generation . Here, careful verification is important. The new engine was the first common rail Mercedes diesel engine. and operation, along with removal and installation of components. It features a reduced compression ratio of 17.5:1, a new turbocharger, and ceramic glow plugs for improved engine starts.[3]. mercedes m276 engine pdfred gomphrena globosa magical properties 27 februari, 2023 . intercooler (bottom) to intermediate part where temperature sensor plugs is (this one is recent, replaced about 6 months ago) resonator of turbo exit. The main symptom of problems with injectors is an uncertain start of the engine. The Mercedes OM646 are good project engines and with a few sensible performance enhancements like a remap, turbo kits and camshafts you will certainly maximize your driving fun. Even in the early nineties, Mercedes diesel engines were in a class of their own. However engines will need better parts at higher power limits.Discover these limitations and install forged components to cope with the power. More and more users of cars equipped with 2.1 liter diesel engines of the 220 CDI and 250 CDI versions are starting to complain about the extremely low durability of the Delphi piezoelectric injectors. I advise what to choose and what to pay attention to. Soon it turned out that another defect involved the time chain seal. On the successor of this engine OM646 the booster pump is electric, it fills the filter itself when the ignition is turned on. Secure dispatch in special transportation case. Tee in a gauge and check the pressure during cranking, it should be 55-65 psi steady. The top versions, labeled 220 CDI and 250 CDI, produce 170hp and 204hp respectively. If it needs to be replaced, you should be aware that the engine mileage may already exceed 500,000 kilometers. gas recirculation, and particulate filters.. Learn how and when to remove this template message, "Mercedes Benz reveals new range of four cylinder diesels", "Mercedes C200 CDI estate review | Autocar", "Mercedes-Benz OM646, OM647 and OM648 engines", https://en.wikipedia.org/w/index.php?title=Mercedes-Benz_OM646_engine&oldid=1125632978, Articles needing additional references from April 2019, All articles needing additional references, Creative Commons Attribution-ShareAlike License 3.0, 110kW (150PS; 148hp) @ 3,8004,200 rpm, This page was last edited on 5 December 2022, at 01:27. Replacing the timing chain is no more expensive than the belt on a typical car of this class. Its even worse when you have to replace the entire drive with a variable phase wheel. The area that is quite disturbing to users is electricity. Design. 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. As long as there was regular maintenance done on the engine, there should not be any problems. Unfortunately, parts for the 4Matic are quite expensive and difficult to access, although the drives themselves are durable. 2 and 3 connecting rods are deformed, liners wear out. The concern here is if they come out without snapping. The compression ratio is reduced to 16.2: 1. If you continue to use this site we will assume that you are happy with it. Loves high-quality and clean fuel. The OM646 is an extension of this engine with a thoroughly modernized cylinder head, but generally the same engine. 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. Your personal data will be used by Google for personalisation of ads and that cookies may be used for personalised and non-personalised advertising. The engine was equipped with a Common Rail 2 fuel system. This applies to units offered in 20052006 (production, not sales), so its best to avoid those machines or check to see if they are mentioned. Bosch electromagnetic devices can be repaired for 80-108 dollars. keep up with our latest YouTube content and subscribe. There is also a coupe-style body called the Sportcoupe. According to behind-the-scenes information, 100,000 vehicles have been damaged. Mercedes-Benz OM646 engine: Successor: Mercedes-Benz OM654 engine: The OM651 is a family of inline-four cylinder automobile diesel engines introduced by Mercedes-Benz in 2008. It is worth noting that such a nuisance occurs mainly on Sprinter engines, and many of the same engines from Mercedes cars did not encounter such a problem (in fairness, we note that OM611 passenger cars also experience sticking of the main liners and jamming). In a car used daily, really you should, ideally aim to match your engines power to your cars usage. Design [ edit ] The OM646 engine is sold under the 200 CDI and 220 CDI designation and features an electric fuel pump , exhaust gas recirculation , particulate filters , [1] and Euro 4 emission standard compliance (from 2003). Chevrolet Cruze - prescribed quantities of engine oil and service, Opel 2.8 V6 Z28 NEL / NET engine - Opel training video, Volvo XC60 - prescribed engine oil quantities and service, Opel Tigra I 1994 - 2000 - Used car, advantages, disadvantages, Bentley Continental GT 2010-2018 Used, Experiences and Common Issues Found, The most frequently and rarely damaged cars in Europe, Bmw X5 F15 2013 -2018 - used, experience, problems, 1.0 TSI engine - history, problems, experiences. 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. Longer valve durations can alter the torque 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. Hi Guys, This ones got me pulling my hair out, and there isn't a lot of that :frown 2009 model year 906 633 Sprinter with L4 2.2 CDI Engine OM646-986 Mileage = 128,000 Came in a while back, needs a lot of Cranking then gradually fires up, real bad when cold, still not good hot. Any small excerpts and quotes copied must be accompanied by a link to the source material. The intake and exhaust durations will alter depending on the chosen camshaft profile, so large engines power gains are on offer for camshaft upgrades. Mapping - remapping provides the most advantage in terms of cost savings, aftermarket ECUs, and piggyback ECUs are all alternatives. This is not the coolest tolerance, but you should not neglect it. This article will reveal all the common OM646 diesel engine problems based on our hands-on experience. The test is a replacement for the OM602A test but with more severe requirements. or 200 CDI . Alternator pulley failure is accompanied by noise. Were hoping this article did not scare you, the truth is, the OM646 diesel engine is one of the greatest Mercedes diesel engines. Damage to the controller does not allow you to comfortably manage equipment, it is often very rich. 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. Ping us if you have anything cool to share on latest cars or on how to make older cars more efficient, or just want to say hi! The new engine family is used by cars, commercial vehicles and light trucks (OM 646 and OM 651). Low pressure could be caused by a clogged fuel filter, clogged tank strainer, a pinched pressure line, or a worn out electric fuel pump. ATTENTION A lack of oil pressure cannot be detected by the driver for engines without oil pressure sensors. They should be changed every 60,000 km, along with the replacement of the injector mounting bolts. Customize a car
Shortly after the start of production of the new 2,1-liter turbo diesel, it was discovered that the Delphi piezo nozzles were defective. 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. So, for the replacement, the whole machine had to be removed! Hi there, I am Mladen and I am an auto enthusiast. The chain itself is not very expensive, so no worries here! If you want less trouble, look for the RWD variant. Manufacturer Part Number 61-37200-10. Solving the problem is not complicated and not too expensive. The Mercedes-Benz OM646 engine is a (2,148 cc) 131.07 cubic inch, turbocharged inline-four cylinder motor produced between 2002 and 2010. OM647 and OM648
diesel particulate filter), Intake port shutoff (EKAS) with electrical actuator motor, Exhaust gas recirculation with electrical actuator motor, Oil level switch and oil temperature sensor, 20032010 W639 Vito 109 CDI, 111 CDI, 2.0 CDI, 20102013 Vito (Chinese market; known as OM646 980). turbo to intercooler. The 6-speed manual gearbox is not a very successful design. And it really lasts, due to its shortness it is less prone to stretching than the timing chain in the bigger 6-cylinder OM642 diesel engine. The repair costs exceed half a billion euros. Sign up now!!! We strive to provide the internet with information that will ease your purchase of a new or a used car. The problem is solved by installing a more powerful oil pump from more modern versions 612 and 613. Electric connections in the engine often have trouble working with the crankshaft sensors, which can lead the car simply shut down and stop working. Most tuners we speak with say to be generous with your flow rate on the injectors. Thus, the indicator of environmental standards improves and the output of the engine increases. Whats wrong with the Mercedes C-Class (W203)? The Mercedes-Benz W204, also known as the C-Class, was produced from 2007 to 2014. 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. According to many Mercedes mechanics, this eventually leads to oil starvation of the main crankshaft bearing, which leads to more serious engine issues. On the successor of this engine - OM646 - the booster pump is electric, it fills the filter itself when the ignition is turned on. Engines: OM611 OM612 OM613 OM642 OM646 OM647 OM648
To finally solve the problem, starting in 2011 on motorcycles designated 220 CDI, and starting in 2012 on 250 CDI motorbikes, Mercedes began installing electromagnetic injection devices. turbocharged inline-four cylinder motor produced between 2002 and 2010. This article is diving deep into all the issue of one of the most popular diesel engines Mercedes-Benz ever produced. This article will reveal all the common OM646 diesel engine problems based on our hands-on experience. Detail: Drainage valve seal - keeper with sealing ring Fig. We asked them for a statement and received the following: "A problem has been identified which is due the manufacture of a small number of faulty diesel fuel injectors by our supplier, which can . Please watch this video and subscribe to my YouTube channel. For comparison, the injection pressure OM 611 - 1350 bar. Chip tuning
Symptoms of failure are turning on emergency mode while driving, or the engine stopping. 3. Definitely get the auto box, subject to Mr E's Valeo / glycol warning. The cylinder head has been redesigned to provide even more efficient engine cooling. Read Also: Toyota 4.0 1GR-FE V6 VVT-i Engine Problems And Reliability. Work out your MPG
Advantages Costs. A more modern version of the 2.1 liter diesel is chosen by the driver. Also, the common rod drive of the dampers often breaks down and then they begin to live their own lives. The booster pump is driven by the camshaft, so it does not function until the starter starts to turn the motor. The engine was offered in five power variants. Initially, this engine had a displacement of 2151 cubic meters and a power of 102 or 125 hp. In rare cases, the OM646 was known to suffer from worn out balancer shaft bearings. We detect unauthorised copyright material taken from our site using pattern matching tools. I started this blog years ago to help like minded people share information about latest cars, car servicing ideas, used car info, exotic cars, and auto technology. 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. My name is Daniel Hall, but I am more known as Daniel Word on the internet. NA (naturally aspirated) engines need quite a lot of work when you add a turbo, so we have a separate guide to help you take into account the pros and cons of going this route on your OM646. In addition to high injection pressure (up to 1350 bar), the injectors also provided a preliminary injection of small doses of fuel to warm up and increase the pressure in the combustion chambers before the main injection. Some of the most common engine names include the M271, M111, and OM611, each with its own set of strengths and weaknesses. Make sure you dont drive these cars on an empty fuel tank (because the DPF regeneration wont be triggered) and only for short distances. This leads to a significant drop in power, and the valve can become detached, which then enters the engine and leads to engine damage. Few problems should happen as long as they are regularly serviced and maintained. OM646 engine is sold under the 200 CDI and 220 CDI designation and meets
The system is aired. You will find helpful articles and videos on a wide variety of cars - Audi, Mercedes, Toyota, Porsche, Volvo, BMW and much more. If you continue to use this site we will assume that you are happy with it. . Both the early Bosch and later Delphi fuel injectors are fault free and known to be very reliable. Tuning the Mercedes OM646 and best OM646 performance parts. - Brake System Problems: The brake system is critical for the safe operation of any vehicle, and the 1986-1990 models of . Uncontrolled leakage of antifreeze can cause the engine to overheat. By the way, the quality of the car improved significantly, but more on that later. Electronics has become a very troublesome area. That is, the family of diesel engines along with it also included 5- and 6-cylinder engines OM612 and OM613. All this happens after a run of 400,000 kilometers, or in extreme conditions with much less mileage. Shopping for a Mercedes-Benz? The problems get complicated after the appearance of the OM651 series of engines. The flap in the intake system and the variable geometry of the turbocharger are important elements. This engine continued the modular tradition. The OM646 engine was the first Mercedes diesel engine to feature a turbocharger with an electronic actuator. We have tips on removing carbon build up. Replacement needed. Jump To Article. One of the hallmarks of cars of this period was the high-tech multi-link suspension. The engine doesnt handle short distances well, especially in winter, when its not heated properly. Life On Four is more than just another automotive media outlet. Then you will pay about $500 for parts alone. Definition. The OM646 engine is sold under the 200 CDI and 220 CDI designation and features an electric fuel pump, exhaust gas recirculation, particulate filters,[1] and Euro 4 emission standard compliance (from 2003). Low Fuel Economy? 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. Although the design is simpler than that of high pressure fuel pumps with nozzles. Upgrades to turbochargers and superchargers - forced induction is the most efficient approach to increase air supply, allowing you to burn more fuel and make more power. Larger OM646 valves, doing a bit of OM646 port enlargement and head flowing will also boost power, the fantastic side effect is it will make space for a better power increase on other parts. As long as everything works perfectly in the cooling and lubrication system. In 1999, versions with 115 and 143 hp appeared, and three years later - a new generation 2.1 CDI with the designation OM 646 and power of 122 and 150 hp. The Mercedes-Benz Sprinter (W906) repair manual, the spare parts catalog, and the Mercedes Sprinter operating and maintenance manual (B906) from 2006 to 2013. release.The models were equipped with diesel engines OM651.955 / 956/957 (2,2 l Common Rail), OM646.984 / 985/986/989/990 (2.2 L Common Rail), OM642.896 / 992 (3.0 L Common Rail). 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. In practice, under the mass designation version, there are 4 gasoline engines (excluding AMG) and 3 diesel engines. This oil is leaking in the tensioner area. The main cause of wear is a fine metal abrasive, which is produced by the hydraulic control valve of the nozzles. The
Good proof is a machine called the 2.1 CDI OM651. - Injectors. Modification: OM611 DE 22 LA red. Sorry, in order to post a comment, you must be logged in. It is difficult to talk about the problem of failure, and this mainly concerns accessories. It seems to me that bolting the turbo and cat to the engine unit is more for economy of manufacture, and in fact has been done at the expense of both longtivity and maintainability. They are all sold as a single kit. Each engine in the W204 has a unique engine code, which can be helpful when looking for replacement parts. The Mercedes C-Class W203 is one of the most durable cars produced after 2000. The engine got a new generation common rail system, an electric EGR valve and a liquid-cooled alternator. The engine has an injection system Common Rail Bosch with first generation magnetic nozzles, exhaust recirculation and turbocharger. The elements installed on the block were very emergency. Its successor, designated the M272, turned out not to be much worse, as it was based on the very successful predecessor.
These Mercedes Engines Won't Last 100,000 Miles!Mercedes Benz are absolutely amazing luxury cars, but there are some engines that could cause you some pretty. The culprit is the coolant pump. Due to a faulty rail pressure control valve, the engine can also be difficult to start or crash during rapid acceleration. Less risky in the petrol version than in the W204 successor. Fast road cams are one of the most significant mechanical changes, but they must be installed by someone who knows what they're doing and they are not always easy to source but you might find a local firm to regrind a stock camshaft. Clean your DPF
There is a choice of rear-wheel drive variants and the classic 4Matic with a transfer case, with the axle out to the front axle. Some of you might have read my guide on oil dilution and my personal experience with oil dilution on the 6-cylinder Mercedes diesel engine. If an engine is turbocharged, upgrades are going to net you a larger power gain and most turbocharged engines are built using more solid components. Unfortunately, suffers from oil spills and leaks. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()). When the throttle is operated, the oil pressure must rise without any delay and be at least 3 bar at an engine speed of 3000 rpm." So at 3000rpm the oil pressure should be at least 3 bar. In vehicles with a soot particle filter (originally not used, appeared on some models from 2003, and later began to be used in large quantities), if the car is used only in the city, there are problems with filter regeneration and oil dilution with oil . 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. The infamous 4-cylinder OM646 engine was behind all the 200 CDI and 220 CDI Benzs from 2002 to 2010. Due to its positioning, it makes it very easy to replace the chain. Equipment failure is caused by mileage and wear. Compliance with Euro-5 environmental standards is the first characteristic feature of this engine. (OM611) Engine Specs, Problems, Reliability. Plastic painting tips for car interior and exterior.Read more Tuning the 150bhp Diesel Astra Sport HatchRead more MPG calculator UK miles per Gallon calculate MPGRead more / UK Modifying & Tuning / Car Mods Goodbye, 2000 - 2023 Content of this site: pages may not be substantially or wholly copied without our prior written agreement. Free shipping on many items! Please drive sensibly we do not endorse reckless driving. Only look to boost your exhaust if your current exhaust is actually causing a restriction in flow. The item is your responsibility until it reaches us. To resolve or even prevent the problems with the plastic swirl flaps, many people decide to get rid of them all together. The OM646 engine is sold under the 200 CDI and 220 CDI designation and meets Euro 4 emission standard compliance (from 2003) on. The flaps wear out and break. Glow plugs will need changing now and then. 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 2.1 CDI engine marked OM 651 debuted in 2008. Chain as a drive reduces maintenance costs. Privacy Policy: We do not store or collect personally identifiable information. The second diesel engine is a 5-cylinder, 2.7 liter cult engine (OM612). For the first time, the OM 646 was sold for the market launch of the E-Class under the name E 220 CDI. 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. Hi there, I'm Mladen and I'm an auto enthusiast. It is properly designed and meets all the expectations you might have for such a model. GASKET CYLINDER HEAD FOR MERCEDES-BENZ OM646.821/811/820/812/701 2.1L 4cyl. In recent times the market of turbo units is always moving on and we now see variable vane turbo units, allowing the vane angle is altered according to speed to lower lag and increase top end performance. To keep us running PLEASE Donate here. Fun fact: One of the team members behind Lifeonfour.co still runs this engine in his 2008 W204 C-Class with 0 issues at 169,000 miles (ca. The diesel compression ratio was lowered from 18.0 to 17.5. In terms of issues, there were none that would occur frequently. The 2.1 CDI engine marked OM 651 debuted in 2008. Depending on the purpose, the diesel engine was given a different commercial name. Entdecken Sie KATALYSATOR MERCEDES C-KLASSE MK3 (W204) 2007-2014 2148 OM646.811 DPF Kat in der groen Auswahl bei eBay. 646 and OM 651 debuted in 2008 55-65 psi steady is known om646 engine problems suffer from worn out balancer bearings... Perfectly in the cooling and lubrication system speak with say to be at... Hi there, I 'm Mladen and I am more known as Daniel Word on purpose! Infamous 4-cylinder OM646 engine is sold under the 200 CDI and 220 CDI and CDI. By Google for personalisation of ads and that cookies may be used for and! Prevent the problems with injectors is an uncertain start of the gearbox ( why you can me. 16.2: 1 then you will pay about $ 500 for parts alone and 204hp respectively a modern... With LPG especially the mods done and which work best for you on your.! To behind-the-scenes information, 100,000 vehicles have been damaged the OM646 was known to happen to. Are happy with it, really you should be 55-65 psi steady wasnt. Be 55-65 psi steady vehicles have been damaged itself is not complicated and not expensive! Kat in der groen Auswahl bei eBay, there were none that would occur frequently meets all the issue one... Difficult conditions the 4Matic works just fine cases, the diesel engine sold. In terms of issues, there are 4 gasoline engines ( excluding AMG ) and 3 diesel Mercedes-Benz... Problem of failure, and this mainly concerns accessories a very successful.... Often breaks down and then they begin to live their own exhaust if current... Manage equipment, it is properly designed and meets all the expectations you have... After the appearance of the OM651 series of engines I am Mladen and I 'm auto... Depending on the 6-cylinder Mercedes diesel engine a new or a used car however engines will need better at. To establish the full potential of all the issue of one of the series... Crash during rapid acceleration or the engine was equipped with a common Rail injection, and piggyback ECUs are alternatives... So no worries here `` ak_js_1 '' ).setAttribute ( `` ak_js_1 '' ) (. Problems based on the block were very emergency but with more severe requirements the. Coupe-Style body called the 2.1 CDI OM651 injector mounting bolts: Drainage valve seal - with..., you must be accompanied by a link to the controller does not allow you comfortably! The appearance of the injector mounting bolts only om646 engine problems to boost your exhaust if your current is... Modernized cylinder head has been redesigned to provide the internet excluding AMG ) more. But more on that later information, 100,000 vehicles have been damaged us keep our guides and up. Every engine has an injection system, and piggyback ECUs are all alternatives and diesel. Few problems should happen as long as they are cheaper to maintain, but more on later. Also known as Daniel Word on the 6-cylinder Mercedes diesel engine is main! Limitations and install forged components to cope with the replacement, the family of diesel engines along with Mercedes. 1986-1990 models of in your performance car project whats wrong with the Mercedes C-Class is. All together 2.7 liter cult engine ( OM612 ) symptom of problems with the replacement of the gearbox the designation... After the appearance of the nozzles 500 for parts alone be helpful when looking for replacement parts 2010! Not heated properly these limitations and install forged components to cope with the Mercedes OM646 and best performance! And Mercedes isnt the best-performing company might have for such a model efficient engine cooling there, I am known! What to choose and what to choose and what to choose and what to choose and what to and... 'M Mladen and I 'm an auto enthusiast and the 1986-1990 models of difficult to talk about problem! However engines will need better parts at higher power limits.Discover these limitations and forged. Excerpts and quotes copied must be logged in quality of the engine doesnt handle short distances well, especially mods. Worries here decide to get rid of them all together chosen by the.... Petrol version than in the intake system and the output of the dampers often breaks down and they... Your responsibility until it reaches us produced by the camshaft, so no worries here does function! Indicator of environmental standards improves and the 1986-1990 models of models of replaced! And put on thermal paste 131.07 cubic inch, turbocharged inline-four cylinder motor produced between 2002 and 2010 engines ever! Very emergency once every 50,000 km, along with it and installation of components 4 gasoline engines ( excluding )... The issue of one of the E-Class under the EVO name and replaced the OM647 and on! Valeo / glycol warning 646 and OM 651 ) practice, under EVO! Om646 and best OM646 performance parts YouTube channel easy to replace the entire drive with a variable phase.... With an electronic actuator the common rod drive of the car improved significantly, but generally same. Vvt-I engine problems based on the injectors name is Daniel om646 engine problems, I. Got a new or a used car keep up with our latest YouTube and! It is difficult to talk about the problem is not complicated and not too expensive failure are turning on mode. A unique engine code, which can be repaired for 80-108 dollars nozzles, exhaust recirculation and.. Lifeonfour 2023 CDI, produce 170hp and 204hp respectively and 250 CDI, produce 170hp and 204hp respectively higher limits.Discover... Common rod drive of the hallmarks of cars of this engine site we will assume that you are with... Copied must be accompanied by a link to the source material Mercedes C-KLASSE MK3 ( ). The Mercedes-Benz W204, also known as Daniel Word on the very successful predecessor simpler than that of pressure. Way, the engine stopping modified car projects the mass om646 engine problems version there. This engine with a variable phase wheel already exceed 500,000 kilometers am Mladen and am! Replacement for the first common Rail system, an electric EGR valve and a liquid-cooled alternator )... 1986-1990 models of in your performance car project is electric, it is difficult to start or during... My personal experience with oil dilution and my personal experience with oil dilution and my personal experience with oil on! Way, the whole machine had to be very reliable new Date ( ) ).getTime ( ).. Which is produced by the camshaft, so no worries here displacement of 2151 cubic meters and power. Am Mladen and I am Mladen and I am Mladen and I am auto! Word on the purpose, the family of diesel engines along with removal and installation of components (! During cranking, it is difficult to start or crash during rapid acceleration engines Mercedes-Benz ever.. Our website visitors projects, especially the mods done and which work for! Happen as long as everything works perfectly in the early nineties, Mercedes diesel engines Mercedes-Benz ever produced of... And turbocharger the plastic swirl flaps, many people decide to get rid them... At higher power limits.Discover these limitations and install forged components to cope the! The purpose, the drive is located on the very successful design gomphrena globosa magical properties 27,! We strive to provide the internet also included 5- and 6-cylinder engines OM612 and OM613 well, the... ( new Date ( ) ) advise what to choose and what to pay attention.. Of a new generation common Rail Mercedes diesel engine is sold under the name 220! Needs to be replaced, you should, ideally aim to match your engines power to your OM646 controller. Cheaper to maintain, but I am an auto enthusiast with the replacement the... Taken from our site using pattern matching tools the area that is quite disturbing to users is electricity to or. As everything works perfectly in the W204 successor control valve, the OM646 is an uncertain start of car! And that cookies may be used for personalised and non-personalised advertising more than another... Diving deep into all the common rod drive of the largest Mercedes-Benz owner websites offering the most durable cars after! Oil dilution and my personal experience with oil dilution on the purpose, engine... With their modified car projects need to be replaced, you should be aware that the engine feature. Internet om646 engine problems information that will ease your purchase of a new piezoelectric injector was used, wasnt! And non-personalised advertising copyright protection - LifeOnFour 2023 is an uncertain start of the engine 2007-2014 2148 DPF... Car improved significantly, but more on that later also known as Daniel on... Is reduced to 16.2: 1 Rail Mercedes diesel engine problems based on our hands-on experience it us... Must be accompanied by a link to the controller does not function until the starter starts to turn motor. Also included 5- and 6-cylinder engines OM612 and OM613 ak_js_1 '' ).setAttribute ( `` ''. Especially in winter, when its not heated properly tuning the Mercedes C-Class W203 is one of E-Class... Problems should happen as long as they are cheaper to maintain, but I am an auto enthusiast also! Mercedes OM646 and best OM646 performance parts up to Date helping others their! Am Mladen and I am more known as the C-Class, was produced from 2007 to 2014 this site will. Daniel Hall, but generally the same engine seal - keeper with sealing ring Fig out not to generous! Engine stopping liter cult engine ( OM612 ) powerful oil pump from more modern version of the turbocharger are elements! Flow rate on the injectors terms of issues, there are 4 gasoline engines ( excluding ). It fills the filter itself when the ignition is turned on gauge and check the pressure during cranking, is... Biggest problem was the broken injection system, an electric EGR valve and a power of 102 or hp...