Mercedes w203 common problems. I am looking to buy a W203 C200 CDI estate, 2002, manual. This article overviews the 722. 5, a 1. I want to know what to look for when I test out cars at dealerships. The car now Mercedes W203 Wiring Diagram Mercedes W203 wiring diagram is an essential resource for automotive enthusiasts, mechanics, and Mercedes-Benz owners who aim to understand, troubleshoot, or modify their vehicle's electrical system. -When I drive a fair distance, 30km's or more and stop, the engine will fire up. It is important to accurately diagnose the problem before you rush to replace the windshield washer fluid pump. However, certain problems can develop over time, impacting the engine's reliability and performance. Troubleshooting the A/C Common Air Conditioner Problems and Solutions Technical Apr 1, 2025 · Explore the Mercedes W203 gear selector problem, including causes, owner feedback, and recall information for informed decisions. Early models were particularly prone to these issues, but many were addressed in later versions. Now, on a car that is more than 15 years old, this can be expected. Mar 9, 2022 · Mercedes W203 – Reliability and common issues The Mercedes W203 is an adequately reliable car which means that it should last you a relatively long time, but only if you maintain it well. I checked common information sites like enthusiast forums, bulletins, and even random writings. The main thing I heard about the W203 was that some of them were built in South America and to avoid those vehicles at all cost and the others were built in Germany Aug 17, 2010 · C-Class (W203) - Common suspension noises and solutions - I'm creating this thread because I see threads created on a weekly basis discussing the same kind of stuff over and over. Apr 1, 2025 · Explore common Mercedes W203 problems, owner feedback, statistical insights, and recall information to stay informed. However, like all cars, the C 320 has its fair share of common issues, many of which arise as the vehicle ages. Here are some common transmission problems that W203 owners may experience: Sep 19, 2024 · Mercedes W203 C class won’t start – Here is what to check So, just the day you turned the ignition key and the car just did not start. I bought this 2002 C320 from a local dealer here in Buena Park CA four weeks ago. This comprehensive step-by-step guide is written to help you with Mercedes-Benz no-start issues. This article will delve into the specific years to avoid, the common problems associated with these models, and user experiences to provide a comprehensive overview for prospective buyers. We Mar 14, 2019 · I find it odd it's only cylinder 3 (would that indicate a local problem to that cyclinder?) Bluedrive lists the 3 most common fixes to be replace the cat converter, replace the cyclinder heads, and replace MAF sensor. Check the W203 forum for more information. Having a comprehensive wiring diagram can See 46 common problems reported for the 2003 Mercedes-Benz C320, including engine performance issues and fluid leaks. It's been far more reliable than any other car we've ever had, with the only problems being due to what people have done to it rather than things intrinsically wrong with the car itself and to be quite frank I think it'll probably go Does your Mercedes-Benz battery slowly drain? Is the battery dead every morning? Does the Mercedes-Benz battery die when you have the car parked overnight or leave it parked for a few days? This step-by-step guide explains how to troubleshoot the problem, covers the basics of battery drain issues, and identifies the most common trouble spots. Buying a used Mercedes C-class W203 - 2000-2007, Common Issues, Buying advice / guide Engines are overall reliable. The car seems to be in excellent condition and has pretty much full service records. The dealer says he will fix The OM642 is a six-cylinder diesel engine developed by Mercedes-Benz, manufactured from 2005 to 2021 in Berlin and Untertürkheim. Dec 28, 2024 · The Mercedes-Benz C230, particularly the models produced between 2003 and 2007, has garnered a reputation for several persistent issues that potential buyers should be aware of. The Mercedes-Benz C-Class W203 C 270 CDI's engine is a 2. And since What is the M111 Engine 2. Familiarize yourself with these problems to prevent major troubles and guarantee your Mercedes stays in top condition. Problems I had with my C220 CDI in 36k km: Seal ring of one injector needed to be replaced, one glow plug, thermostat, Diesel particle filter and then Apr 28, 2023 · In this article, we dive deep into the Mercedes world, where we explore the SAM module. Is there a list of known problems to look for here, or can you please advise? The one I've found is rust free and the engine sounds good other than the auxiliary belt idler pulley. Aug 25, 2023 · Troubleshoot and fix common AC issues in your Mercedes. The driver's side door handle may break due to a design flaw, and oil leaks can stem from deteriorating camshaft magnets. Check 47 common problems faced by Mercedes-Benz C320 owners, including engine performance issues and interior failures. Whether you own this car or are considering purchasing one, knowing the typical problems associated with the C-Class W203 C 320 can help you maintain your vehicle and avoid Hey guys here are five simple basic but very well known issues that are found with the Mercedes W203 C180 Kompressor i have owned a few mercs including the o Apr 1, 2025 · The Mercedes-Benz W203, produced from 2000 to 2006, is a well-regarded model known for its luxury and performance. Feb 16, 2025 · Explore common Mercedes-Benz M272 engine problems, their symptoms, and potential consequences for informed ownership. 7-liter turbocharged diesel that delivers solid performance and efficiency. Discover 46 common problems with the Mercedes-Benz C240, including crankshaft sensor failures and interior issues. Mercedes-Benz owners may face a problem when the key no longer turns in the ignition. The good thing is that the W203 does not This article will overview the A/C system, common problems, and repairs you can perform independently. Common Mercedes M271 Engine Failures: Reasons and Consequences The M271 is a four-cylinder gasoline engine developed by Mercedes-Benz, which was produced from 2002 to 2015 in Untertürkheim near Stuttgart. Feb 14, 2023 · The Mercedes C180 model designation is reserved for entry-level Mercedes C-Class models. Whether your Mercedes has a faulty engine ECU or a malfunctioning instrument cluster, we’ll restore functionality in just 2-3 working days and cover you with an unlimited-mile Maybe it finally starts, runs for a few seconds, and then dies. In Customer: mercedes benz w203, 3 door sports coupe 220 cdi , engine oil light came on says top up to 1 litre of oil. May 21, 2017 · Hello, I would be grateful for any help/ advice. I have a 2004 C180K W203, and we've had it since new and has not given us a single mechanical or electrical issue, and more or less drives like the day we got it. Feb 16, 2024 · We will dwell into the common problems, and try to help you to know what to look for. List of the most common Mercedes-Benz problems. If I buy it I'll Apr 24, 2009 · Don't miss that car at all, too many electrical, suspension and engine problems in 4 year period. This gear selector will cause problems preventing selection of any forward or reverse gears until the ignition is cycled. Being aware of these common issues and knowing how to address The Mercedes-Benz C-Class W203 C 230 Kompressor, produced from 2000 to 2007, was a popular compact luxury car that combined performance, comfort, and style. The car didn't show any problemes so i kept driving it till a got back home and started to identify the problem. I wave a small issue with a 2003 c200 kompressor. As an AMG model, it offers thrilling performance and exceptional driving dynamics, but like any high-performance vehicle, it also comes with its own set of common issues that owners should be aware of. Jun 5, 2007 · W203 C Class; Common Problems and Solutions Jump to Latest 32K views 0 replies 1 participant last post by 2002c230 Jun 5, 2007 2002c230 Discussion starter Common Problems of Mercedes-Benz C-Class W203 C 180: A Comprehensive Guide The Mercedes-Benz C-Class W203 C 180, produced between 2000 and 2007, is a highly regarded luxury sedan combining elegant styling and robust performance. Mind you I only have 31,000kms on it. A few owners also reported issues with the oil pump, leaks, and even engine cooling problems. Replaced A: replaced transmission conductor plate, 13 pin connector Mercedes Battery Drain Overnight This video explores the mystery behind the common issue of Mercedes battery draining overnight. Jul 5, 2022 · When you think of a ten-year-old Mercedes do you think about reliability? How about the M272 engine and M273 engine? Learn about their common problems. symptoms A: gears won't shift aka limp mode. As with many cars, the kinks haven't been completely worked out yet. Oct 27, 2010 · Hi all, I'm asking for some help before I take the final step and send my Front SAM off for a re-programme. The engine was first deployed in the Mercedes C-Class W203, and later in almost all other Daimler models in the higher price ranges, in some transporters, as well as in models from the brands Chrysler and Jeep. Furthermore, the W209 is known to suffer from issues related to the cooling system, and a bunch of leaks. The symptoms are that when I have the car in P and try to press and hold the gas-pedal at around 2000rpm the engine starts shudder like it's going to stop. However, like any vehicle, it has its share of electrical issues that can leave owners scratching their heads. About Us : http://www. What are the most common problems and breakdowns used Mercedes C class W203 2000 - 2007. We discuss the most common causes and provide easy solutions to fix What to look for when buying a Mercedes C-Class 2000 - 2007, covering common problems to check for and overall vehicle reliability. C-Class (W203) - 2001 - 2007 Mercedes Benz C160, C180, C200, C220, C230, C240, C270, C280, C300, C320, C230K, C350, Coupe (W203) forum discussion, how-to guides, and The Mercedes-Benz C-Class W203 C 55 AMG is a high-performance luxury vehicle with stunning power and refined design. Jul 12, 2024 · M272 engine problems & How to Spot Them The Mercedes m272 has been known to suffer from a few common issues, including balance shaft gear wear, oil leaks, and intake manifold problems. The engine belt and pulleys Sep 3, 2008 · Most dealers typically fix this with a new head, figure $3,500 if it happens, but you are covered under warranty. Or while you turned the ignition, there was no sound at all. I have been searching the forums first as I know that's usually the first thing recommended on car forums. I believe this is not optimum. Feb 14, 2023 · Either way, we are going to list the most common problems with the Mercedes W209. Jul 26, 2024 · Why is my car cranking but not starting? Learn about common issues, diagnostic steps, and solutions to troubleshoot and fix this frustrating problem. It does about 8 cycles/4 sec before firing up. Jun 27, 2006 · Hello everyone, I'm new to the site but wanted to share some of my problems with you all and see if anyone can offer any advice. Over time, certain problems can arise in specific areas, such as the engine, transmission, suspension, electrical systems, and brakes. The buying guide. I put the car soft diagnose and got a P2029-001 Engine RPM UNPLAUSIBEL May 29, 2016 · After discovering the problem, I conducted a bit of research to find out if any of this instance was reported. Took it for a long journey today, after about 1 1/2 hours I smelled burning oil, pulled over and lifted the bonnet. Ignoring these can lead to bigger headaches down Mercedes-Benz Common Problems Have you ever wondered what are some of the most common problems with Mercedes-Benz cars? In this article, we will go over some of the problems that we see the most in Mercedes-Benz models such: as E, C, S, ML, SLK, CLK, CLS, GL, and G Class. The most common Mercedes W209 issues are associated with the engine. 8L? Is it good or bad? Read about Mercedes M271 Engine 1. Our guide helps diagnose problems for a comfortable driving experience. Feb 2, 2011 · So far I have had Zero problems with my 2002 C240. The most common problem that causes the failure of Mercedes-Benz SAM modules is water damage and corrosion. We are automotive control module remanufacturing specialists, offering our bespoke service on a wide range of commonly failing Mercedes ECUs. Like night and day compared to next gen C-class in terms of reliability. It seems like these are present with both relatively low milage and high mileage cars. Feb 26, 2015 · Mercedes-Benz Transmission Problems This article discusses the most common Mercedes-Benz transmission problems and how you can fix some of them. Apr 22, 2010 · Hello. Possible Symptoms Apr 1, 2025 · Explore facts, owner feedback, and recall information on Mercedes W203 fuel pump problems to keep your vehicle running smoothly. The dealer Feb 14, 2023 · Engine related issues with the Mercedes C240 Judging by a few credible sources online, many owners reported that the C240 is relatively prone to engine stalling, even at highway speeds. The fix for that was the dealer replaced the fuel pump and fuel filter/pressure regulator assemblies. Mar 17, 2025 · Explore common Mercedes Benz C Class W203 problems, owner feedback, statistics, and recall information for informed maintenance. Mar 23, 2024 · If you own a Mercedes W203, watch out for common issues. First, the engine occasionally lost all power, check engine lights flashing, dead on the side of the road. The check engine light is on and when scanned shows 5 errors, PO301, PO302, PO303 and PO304 misfire on each Nov 8, 2009 · Hi, I have a W203 C Class Sports Coupe 220CDI (2004, facelifted edn). Jun 22, 2019 · Hi chaps. However, like any vehicle, the C 230 Kompressor has common issues, many Mar 21, 2025 · Explore common Mercedes-Benz W203 problems, owner feedback, statistics, and recall information to stay informed and proactive. These are common Mercedes-Benz starting problems. howstuffinmycarworks. Used vehicle, experience, issues, review of errors and recalls. Common Problems with the Nov 17, 2024 · The Mercedes-Benz M271 engine, while capable and efficient, does have its share of common issues, particularly with the timing chain, camshaft adjuster, and carbon buildup in direct injection models. This article will explore some of the most common problems associated with the Mercedes-Benz C-Class W203 C 200, including engine issues, transmission problems, suspension and steering malfunctions, electrical failures, and more. https://klbproductions. Luckily mine was a late production 07 so it didn't have the problem. For different reasons, it may have had cracked but the engine did not turn over. org/#BuyingReview #Merce Mar 14, 2012 · There was/is a problem with certain 06 & 07 C230's concerning the camshaft. Mar 21, 2002 · I had engine problems twice on my 2001 C240. If you’re behind the wheel of a W203, it’s crucial to be aware of the common electrical problems and their symptoms. Review with faults, problems and what to check on a used CLK C209/A209. The C-Class W203 and pre-facelift W204 has a common fault with the automatic gear selector module / gear lever. 2-liter supercharged V6 engine, sportier suspension, and more aggressive styling. Feb 18, 2011 · So I'm hoping to find out more info about the common problems of the W203 before I buy. Apr 25, 2023 · All data and information about the Mercedes-Benz CLK W209. Keep an eye on the drive belt tensioner pulley and alternator pulley bearings for wear. Still petrol engines especcially 6 cylinders do a good job. glow plug lights comes on after starting even in the very warm weather, got new ones on the way. Valve springs is probably a $500 repair, big difference. 9 automatic transmissions, common problems, troubleshooting tips, and frequently asked questions. 9 automatic transmission by Mercedes-Benz is an electronically controlled gearbox with seven forward gears and two reverse gears. Read now! If you’re experiencing Mercedes ECU problems, don’t worry, we can help. You may experience vibration while driving, MAF sensor failure, squeaky boot, or headlight bulb failure. A couple months later the engine stumbled and ran poorly, CEL flashing. The fluid had leaked past the dried up O Rings and seeped into the plug obviously totally confusing the electronics. What is the M271 Engine 1. While troubleshooting by a professional is required in a few cases, there are several tests you can perform yourself to avoid a repair The 722. Apr 22, 2014 · This is a guide to the CAN bus in the 230 it applies to all models right up to 2008ish. Mercedes Benz Suspension Issues Every Owner Should Know About With age and mileage, critical suspension components such as control arm bushings, thrust rods, tie rods, ball joints, sway bar links and wheel bearings begin to wear and loose their effectiveness. In Mercedes-Benz terms, SAM stands for Signal Acquisition Module. 6, or a 1. This issue is often caused by a defective key, a bad shifter module, a failed Electronic Ignition Switch (EIS), the EIS-EZS, or a bad steering lock module (ESL). After 2004 rust is no problem anymore. Common A/C Problems How the A/C System Works. 8L 4-cylinder turbo engine with less than 175hp. Powered by a supercharged 2. Feb 27, 2025 · Explore common Mercedes M111 engine problems, their symptoms, and potential consequences to ensure optimal performance. One of the most common problems that affect Mercedes-Benz vehicles Apr 30, 2015 · Fixed - after 2 years At long last - after fluid changes, transmission resets, battery and fault code checks, and an awful lot of anxiety and heartache, my numerous transmission faults are fixed. If it is but has been repaired with the MB fix then it should be OK. We are only dealing with CAN Apr 29, 2012 · Hi there! Just wondered if someone could help me solve a weird problem with my E-class E220 CDI 2004. Mercedes Benz C Class W203 2001-2007 Common problems, issues, defects and complaints. All around the filler cap area, and splashed over the engine cover and up onto the 'lining' of the bonnet Common Problems on Mercedes Kompressor EngineHere at Ecuboot, we offer German Automotive Diagnostic Trainings such as: Mercedes, BMW, Volkswagen and Audi. The majority of the people reporting a similar issue often chased down an unrelated problem (like a sensor, or electrical issue). Here's a closer look at the common problem areas reported by w205 owners. Let me give you a gist of what may be wrong and what can you expect from your pocket. 0L design and features, its the most common problems and relaibility. However, like many vehicles, the C-Class W203 C 180 has its share of issues, especially as it ages and accumulates The Mercedes-Benz C-Class W203 C 240 is a luxury sedan combining elegance and performance. 8L design and features, its the most common problems and relaibility. Find repair options near you on RepairPal. I want to buy a C230 mercedes benz car between 2003 and 2007 model, I need to know what the common problems with these car are. 3-liter 4-cylinder engine, it offered impressive power and handling while maintaining the signature refinement of Mercedes-Benz vehicles. These power figures are not on the stronger side, but those who spend the majority of their driving time in the city don The Mercedes-Benz C-Class W203 C 32 AMG is a high-performance version of the C-Class, boasting a powerful 3. Feb 23, 2024 · In this article, we go over the steps on how to troubleshoot a SAM module, replace a Front SAM module on a W203 C-Class and code the replacement SAM unit. While the pictures in this article are of Mercedes Benz cars, this guide is written to apply to all makes and models. 0L? Is it good or bad? Read about Mercedes M111 Engine 2. Before I bought mine which was in 2009 with 18,000kms I had researched day and night about the C Class as this would be my first Mercedes. But just because these are common on the forums, doesn't mean they are common in real life and some here have 150K miles without any problem. The 180 C-Class has been available for many model generations including the very latest one. done this. Jun 15, 2021 · Hi, Had a search but couldn't find my exact problem, sorry if I've missed it already somewhere. blowing slightly heavy smoke from exhaust, then temp goes sky high and the car looses power, slows right down and the engine is very dull sounding not like a diesel should Sep 7, 2023 · The Mercedes W203 is a well-designed and reliable car, but like any vehicle, transmission problems can occur over time. The C180 uses either a 1. Jun 20, 2017 · Hi guys, I own a 2001 w203/s203 c200. However, like any vehicle, it is prone to issues as it ages, especially if regular maintenance is neglected. FAULTS of engine Mercedes C-class Flaws Mar 28, 2025 · Common Issues Found You’ll want to be aware of some common issues that can affect the reliability and safety of your Mercedes-Benz C-Class. Get expert repair insights at RepairPal. The problem. In this article, we’ll Jan 30, 2011 · See related guides and technical advice from our community experts: Mercedes-Benz C-Class AMG: Common Problems Important information to help you understand your Mercedes-Benz Browse all: Specifications and General Maintenance Apr 1, 2025 · Explore common Mercedes W203 alternator problems, owner feedback, and key insights to keep your vehicle running smoothly. We look into how the module works and what causes it to malfunction. This troubleshooting guide will help you narrow down the transmission problem and teach you how to perform some repairs. commore The Mercedes-Benz C-Class W203 C 320 is a powerful and refined vehicle known for its luxury and performance. I have been on various forums and found that all the Mercedes Benz cars experience this sort of problem. Take into consideration that the car had 74,000 miles when I bought it and was VERY Buying advice on a used Mercedes Benz C-class. co. Looking at buying one of these. Sep 11, 2024 · ABS and SRS are the two most common warning lights that I see on the Mercedes W203 when I go on for their inspection. If your transmission is stuck in limp mode, DON’T PANIC. 4-liter V8 engine capable of delivering exhilarating performance. See full list on mercedes-enthusiasts. The W209 also suffers from electrical issues, particularly the alternator. There are some guys on the site that will run the VIN and see if one of yours is the affected engine. Apr 27, 2015 · Mercedes-Benz C-Class: Common Problems, Recalls, and Service Bulletins The newly introduced Mercedes-Benz C-Class offers an impressive mix of performance and luxury. The most common issues that tend to plague the W203 are associated with electronics, oil and fuel leaks, front suspension, potential rust, and the balancing shaft. Diesel engines are better than petrol engines. The W203 also experiences lots of potential electrical issues that tend to plague the exterior and the interior lights, and many other in-car accessories and controls. While the C-Class has a generally reliable record, common problems can still arise. uk Feb 14, 2023 · However, the most common issues that plague the W203 are rust, faulty SAM modules, front suspension issues, and issues caused by all sorts of leaks. The engine made its debut in the Mercedes C-Class (W203) and was later used in the E-Class, as well as in other models with lower volume. Apr 19, 2024 · Diagnosing the problem of battery drain in Mercedes-Benz C-Class vehicles can be done using multimeter testing, checking fuses, and identifying defects such as the W203 parasitic drain. As part of the renowned AMG family, this model boasts a 5. To summarise, I've got the following going Mar 26, 2010 · Hi Everyone, C270 CDI '02 160 000KM So here are the facts: Long post but please read -The car starts fine in the mornings. The w203 was the second generation C-Class from Mercedes Benz. I've posted before and listed the electrical problems I have with the car (2001 51 plate C270 cdi), but have not been able to resolve them. If I force the engine to run at this Sep 9, 2010 · salmanhamid Senior Member Joined Aug 12, 2009 Messages 445 Reaction score 0 Your Mercedes C220 CDI W203 Sep 9, 2010 Thread starter #4 Hi peter, No Noise at all. Are you experiencing problems with the windshield washer on your Mercedes-Benz? This article will help you troubleshoot problems such as windshield fluid not coming out or the windshield washer fluid pump not working. I have a C180 with the M271 engine which has a very rough idle and misfires when revved. Biggest issues are rust problems on the chassis in the early years. This problem can affect various Mercedes-Benz models, including the E-Class, S-Class, C-Class, CLK-Class, ML-Class, and SL-Class. But the air conditioning appears not to be working - it blows warm. This time is C-Class W203, lern with us most common problems and be ready for your C-Class. However, as with any high-performance car, it is not immune to specific issues, especially as it ages or experiences high usage. A couple of weeks ago the check engine light went on. A £12 plug housing on the side of the transmission. This is not an explanation of how the CAN and WAKE UP work, it is a guide to a simple way to know if your car is going to sleep, and how you can check with just 2 voltage checks. Feb 13, 2025 · Explore common problems with the Mercedes-Benz M271 engine, including oil leaks, timing chain issues, and fuel system concerns. The body has several scrapes all round but no dents. After five minutes it would restart and behave normally. The W203 series, produced between 2000 and 2007, includes popular models like the C-Class sedan, coupe, and station wagon. rsgqpw iamdd eaify uphzku tqux pwwsqmx pvkgv qgts oxaizzg cgucg