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Consumer Affairs


Mercedes c320


Consumer Complaints & Reviews

Every manufacturer has one or two models they'd like to forget they ever built. Could the C-320 be Mercedes' Edsel? Mercedes was quick to act when it encountered problems with the navigation system in the $50,000 E-Class series but doesn't seem as interested in the annoyances plaguing the more modest C-Class. Maybe this is why the company J.D. Power ratings have declined.

I have a 2001 C320 bought it used with 20,000 miles on it and thanks for the warranty. It was at dealer after 6 months for A/C unit not working properly and it made a clicking noise. The dealer was nice enough and found more problems and replaced the gauge cluster because the display lights were not bright enough.

Then after another year or so about 35,000 miles the rear windows did not roll up. Warranty was over so I pulled it apart and fixed it myself. Otherwise dealer would cost me $800 plus.

I did all the schedule maintenance at my regular auto shop. At about 55,000 miles I had the same clicking problem and I told my mechanic that it had happened and when they checked it out it was the motor so I had it disabled. Just to open the dash, it cost me about $300. I also had to replace mass air flow sensor, ESP sensor, and found my motor was leaking oil from the rear main seal.

This Mercedes is junk and will never buy or let any of my family or friends buy one! Any car at 60,000 miles that leak oil from rear main, window malfunction, mass air flow sensor malfunction, ESP sensor, A/C unit problem (twice) and other electrical problems, should be off the road. Compare this to other brands, I am sorry to say Mercedes, I will never buy again.

I bought an 8-yr old 2002 C320 Mercedes in 2010. Issues arose from day 2. The passenger side inside door handle broke. It opens from outside, but not inside. The clear coat paint starts peeling from the front spoiler and trunk. Brake lights, changed brake pads and rotor, brake light still display which cost $200. The battery dies, dealership states battery is no good. They replaced it, but it still did not work. They said it was the alternator, which was replaced at the cost of $280. The check engine light comes on, had it checked at a Europerformace dealer, they found out it was an EGR valve and tube. I had to get a diagnosis check $87 and almost $400 to repair.

Now there is a restraint system and tele-aid light displayed and alarm system is going off every time I open the doors. I took it to RBM Mercedes in Roswell, GA. Diagnosis check was $130 an hour. They had to check the CAN, which took them 2 hours to tell me they still have not diagnosed the problem. They needed another hour to check 2 more things, the steering control and radio. This is ridiculous. I will never ever buy another MB ever in my life and will tell others not to. If they do, read the reviews thoroughly before purchasing an MB.

I was driving southbound on Oct. 5, 2011, when a car driving northbound decided to make a left turn and turned right in front of me without warning. I hit my brakes but t-boned the car, hitting the passengers' side of the car head-on with the front of my car at 35 mph. I was in a 2002 Mercedes C320, and my airbags did not deploy that I hit my head on the steering wheel and was taken to ER.

The ambulance attendant said I was lucky I didn't hit my face on the windshield and was surprised the bag didn't deploy. They placed a neck brace at the hospital, and I followed up with my doctor a few days later. At this point, I have to wear the brace for a month before they will decide what test I need, since there is a lot of swelling in my neck. (My neck is killing me.)

Why didn't my airbags deploy? The other party's vehicle deployed all their airbags. Would the airbags have prevented me from hitting my head and getting whiplashed?

I own a Burgundy 2001 SLK320 which was purchased in Dec 2000. This car has been cared for very well. However, over the last 5 years, the clear coat has been peeling off steadily. I have attempted to contact the East coast regional director of MBUSA repeatedly, after being told by the dealership that they cannot help. However, despite my many messages left on his voicemail, I have not had a response from him or his office. If his lack of response is a good indicator of how MB treats its customers, then this will be last car that I will purchase from MB.

I have owned many European cars before and have always had good customer experience for any issues. I am very disappointed with MBUSA's lack of action despite extracting a premium price for their so-called "high quality" automobiles.

After several months of my car battery being drained each morning, the dealership told me that my alternator was faulty. I replaced that and my battery, but the drainage returned shortly after. On the next dealer inspection, I was told that the driver's side seat module was bad and needed to be replaced at a cost of $895 parts and labor. Subsequently, I have read on the internet that this has been a common problem with the model that has logged thousand of complaints. I feel that the module is poorly designed and should be recalled by Mercedes and fixed at their cost. Several people are opting to unplug the module rather than absorb the repair cost of one and possibly two of them. This could prove detrimental to the front seat passengers in a crash while the modules are unplugged as the safety features of the seat are also disabled and will fail to provide the intended protection.

My MB CLK320 Coupe year 2000 has only 59700 miles on it and the catalytic converter has already failed as confirmed by a local MB dealer. I did a research on the internet and found that this is a known problem for MB catalytic converter to fail this early before the mileage warranty expires. There was a recall regarding this same issue, but for another model, not mine.

In August the faceplate of my 2005 C320 radio warped. I took it to the local dealer where I purchased it. The service writer said he couldn't do anything but replace the radio at my cost. I talked with the service manager, who took photos and sent them to MB corporate because I requested financial assistance from MB. He also told me they probably wouldn't do anything.

The dealer quoted me over $800 to replace the radio. I contacted MB corporate customer service who simply referred me to the local dealer. Therefore receiving absolutely no satisfaction from anyone, I attempted to research and order an appropriate substitute radio from Best Buy. After purchasing all the necessary parts and talking with the Geek Squad I arranged to have the replacement radio installed. They were unable to due to some interference with the car's "system".

Therefore I wasted over a month's time, money and effort trying to fix a simple, warped piece of plastic. It is still unrepaired because I refuse to spend over $800 to replace a radio that works. I'm very frustrated at the lack of customer service from MB. I will also be looking to purchase a new vehicle in less than a year. As a result of their lack of customer service I am included to look at alternate manufacturers. Can anyone be of assistance to me? Thank you very much.

No one buys the C320 Mercedes. It's a total rip off. This car is a lemon, all kinds of problems. I'm at the dealers for service every few months. I'm tired of this **.

1) Stability control is fixed twice and still not working.
2) Battery drain-- when it was a new battery, it had some faulty thing draining it.

3) Teli aid is faulty.This car has been a total disappointment and embarrassment. This is your warning, buy a different car. Don't go Mercedes, or at least don't go with the C320. When I bought this car, I was so happy. But when I started having problems, I decided to look online just to see if anyone else was having the same problems and I see a bunch of people with the same problems. This car should of been recalled a long time ago. The C class is the shame of Mercedes.

I own a 2001 C320, I recently have had to replace both fuel pumps, only one was bad but I had to replace both of them before the car would run, it cost me $1600.00. 2 months later, my computer goes out and I still haven't had my car repaired because I can't afford a $3000.00 car repair. I am very dis-appointed in Mercedes, I bought this car because I thought Mercedes was the best. But it has cost me more money that any vehicle I have ever owned and I feel like Mercedes should fix my car for free or at least at a discounted price. Especially after reading all the complaints on the 2001 C320, and the fact that there is a lemon law in N.J. on this year and model already.

Car C320 2001. Too many things wrong with this vehicle. Thing break as soon as 2 week of driving. Signal and head light goes out. EPS system does not work. Fuel Pump break after one year. Rear window curtain fail after two year of rarely use. Care seat control computer keep draining the battery if left car off for 24 hours.

i have a 2002 c320 the car is all laid out.chrome wheels,grill,mirrors,front and rear lights are chrome.for about a year now the car starts when it want to.some times the battery will drain,and sometimes it wont.first i was told it was the battery.that was not it took it to the dealer but they cant find out whats up with it. no one seems to know.how can a car like this has faults like this.love the car wish i can get it fixed

thank you

p.s. love the web site

In the 2002 C320 (Sedan/Wagon)and later models, there is a command module under the seat which controls multiple functions including the SRS (Supplemental Restrain System/air bags), plus power seats, mirrors, etc. The modules appear to fail after 40-50K miles. They begin to draw current and drain the battery. This impacts other sub-systems causing the vehicle to issue multiple failures. Losing power and jump starting the vehicle can also damage several sensitive convenience features. These can only be diagnosed, reset,reprogrammed or repaired at the costly MB dealer. A command module repair itself costs well over $600.00 and there are two of them (left/right)under the front seats. Although every Mercedes Benz service shop and Technician I have contacted is aware of the issue, MB will not recall the part.

This is a safety issue plain and simple and I cannot understand why it would be ignored. Our family owns/owned multiple Mercedes Benz models over the years; CLK's, E's SLK's and we still believe them to be safe, well engineered cars. Unfortunately, Mercedes Benz reliability is now well below the mark throughout the entire line. Toyota/Lexus and Honda/Acura clearly surpassed them long ago. I have been told to ask for the factory representative at my local dealership and argue the issue.

They may agree to a 50/50 compromise. However, would you want to take a 50/50 chance with your life or the lives of your loved ones?

This complaint is against the manufacturer. I did not buy this 2002 Mercedes Benz C320 brand new, it had 36K Miles when I purchased, but I read the bad reviews after I started having so many problems (unfortunately). I have driven all kinds of rental vehicles because my car has been in the shop due to draining the battery; in several occasions the same thing happened, the battery died without a reason.

Within the first year I had it the alternator was changed, the front passenger's seat module was changed, the battery was changed, the problem always came back. I have warnings in the car that come and go, light bulbs that keep burning and the factory alarm that keeps ending with a dead battery. I have jump-started my vehicle at least 20 to 40 times since I got it 2 years and 3 months ago.

I took my car in for service 2004 C320---because seat restraint malfunction light came on. I was told that even through the car was under warranty something had been split and it would be $600 to take the seat out and clean it and replace the seat belt. I have no children who might have urinated in the back seat ----in fact had not driven my car prior to the light coming on. This on top of monthly problems which necessitated repairs, this is the last straw, My car has been in the shop more over the past several months than I have driven it

First, I have a C320, 2002. I believe that it is the car and the maker of the car, not this particular dealership. I have had to have numerous repairs on this car and as I speak the car is needing something. The car passenger door makes a sound after I paid $160.00 to have repaired. I have only had this car about 1 Year and some months and I already have put over $3,500 dollars worth of work on it. I have a 190e that's over 14 years old hardly any problems. I have a 12 year old BMW 325is coupe hasn't cost me as much to keep up. C320 Car needs work appears after every 90 days.

Bought a preowned 2002 C320 for my wife in September of 2005. From the beginning simple things started breaking, yes, breaking off the car. (the front star, the chrome trim around the gear stick, the lock knob from the back left door, the passenger side mirror (glass just fell out with the wires attached), and the seat-belts got stuck). Once those were fixed, and we recovered from the $400 service " A" bill that turned into an almost $800 repair bill, the electrical problems began to compound.

One evening I went to drive the car and all electronic functions seized: windows, a/c (we live in south Florida), radio, sunroof, display board. The mechanics determined this was due to a drain from a seat motor. They fixed it and then two days later the battery died and then it was the other seat motor. Then the display panel started showing problems that didn't exist, such as: washer fluid low (right after a full service). The problems never went a way, no matter how many days in the shop. I'd never dare open the sunroof - it can't close. Six months later the car ignition doesn't recognize the key. Problem I'm told: "instrument cluster is draining the battery".

the repair bill for this is about half the current value of the car. I am now shopping a Lexus. I'm done with this foolishness! I am forced to get another car because I can't afford to take the chance of keeping on repairing what seems to be a never ending problem.I am only two years into the car, I am upside down in the loan. This is not fair.

I purchased my 2004 C320 this year last February, and already the Air condition compressor has been replaced., Presently, right now there is a noise coming from the transmission, the transmission mechanic at Dick Dyer confirms the noise in the transmission but says there are no codes from the auto computer that confirms there's a problem, and although my car is still under warranty there is nothing they can do about it unless a trouble code appear., the same mechanic states that he checked the transmission fluid and it was discolored, he states that in a properly working transmission, that should not be.I have had this car only five months and I am actually afraid to drive it out of state. My wife and I canceled a trip to New York this week to a good time birthday party with friends because of this.

I hope MBenz finally realizes that this is an embarrassment to all us who own such a prestige vehicle that really is a LEMON. I was a proud owner of a 2001 C320 and now looking to buying a LEXUS because of the ongoing battery/electrical draining problem with this car and noticed there are thousands of other benz customers with the same situation in which nothing is being done about except draining our wallets. I would understand that if you took your car into the Benz dealer and you pay that money that problem would get fixed and you would be on your way and not back for a while.

I don't think the Dealers even know what the problem is with the C320. Why has there not been a recall issue we are all wondering. In my eyes and in thousands of others with this electrical/battery problem should have a recall. THANK YOU!

My 2002 C320, which I purchased new, has been an absolute nightmare. Within the first two months, the entire electronic indicator within the dash had to be replaced. Almost monthly, a signal light will blow out, or a "phantom" problem will be indicated (a light will go on, but no problem can be found). During the third year, the car was at a red light, and the entire electrical system shut down - the key wouldn't even turn over. Now, in year 4, I have a leak in my A/C coil, and I have been quoted $2000.00 for repair. I was very excited to buy my first new Mercedes, and I fully regret it. My 1998 Lexus that I had previously was not of the same driving engineering level, but as far as reliability, it was a dream.

Took car in for first "B" service under warranty with 19,281 miles. Was told by service adviser that the front and rear brake pads, plus the front rotors needed replacing. Not covered under warranty - cost $800+. Service Tech alluded to "riding brakes" or something like that to cause the wear. With last three cars (2 Buick Park Avenues and 1 Chrysler 300M) got almost 30,000 miles before needing pads, so I dispute that claim.

My MBZ C320 is a lemon. Never have I had a vehicle with so many problems from the get-go. How can MBZ, knowing that so many people have complained so much about this series of cars, continue to act so arrogant. My list of problems:

  1. AM radio never worked from delivery - took dealership 1 and 1/2 years to fix after replacing top half of car.
  2. Passenger side mirror drooped - never held position - took 7 times bringing in and me handing the dealership the original recall notice for a fix - they replace four control modules.
  3. Gas gauge - car has been in more than 5 time to fix gas gauge - they haven't replaced the gas tank yet - still doesn't work - and worse now the car won't run.
  4. The seat memory doesn't work.
  5. Shuddering from front end - never resolved.
  6. ABS brakes won't engage - never resolved.
  7. Washer fluid reserve shows empty with plenty of fluid - never resolved.

I have been without my car for about 4 months now.

We were the first to take delivery of a c320 in South Carolina. Problems:

  • 419 miles flash sos system problem.
  • 8500 miles fault code problem...repaired.
  • 10710 miles oil level sensor problem...
  • 11156 miles replaced oil sensor...
  • 12292 miles continued oil sensor problems...
  • 15061 miles tail lamp unit left and right and left side sunvisor replaced...
  • 15706 miles light bulbs in two front exterior mp units replaced...
  • 21005 miles light bulb in rear exterior lamp unit replaced, reprogram mirriors.
  • 21402 miles light bulbs in rear exterior lamp unit replaced again...
  • 23574 miles light bulb in two rear lamp units replaced, step motor-footwell autoclimate control replaced, instrament panel lower part left side replaced, door control module replaced, inner door panel replaced.
  • 24865 miles light bulbs rear unit replaced, exterior lamp switch module replaced,
  • 26521 miles electric ignition lock replaced. passenger seat motor replaced..
  • 30000 miles steering column and motor replaced.

These are the documented trips back and forth (80 mile round trip) to the dealer for the repairs. We delt with Gary Cox, the Southeastern customer service rep. Rude and arogant. Mr.Carlson didn't seem to care.

I am the owner of a 2001 Mercedes C320, which I purchased from Mercedes-Benz of Oakland, CA. My wife and I purchased this car in June of 2001. I owned a 1990 Mercedes 300E immediately prior to purchasing this vehicle and I was greatly impressed with Mercedes engineering and I loved the car. I bought the 300E used with over 130K miles on it but still I fell in love with its performance and comfort.

I convinced my wife, who until then was a devoted Acura lover, to purchase a 2000 M-Class. She loves her M-Class. That is where our satisfaction with Mercedes-Benz ends.

Our experience with our new C-Class 320 has been, for the first eleven months, a service nightmare. I have not been able to enjoy a two-month span with the car without it needing some sort of service that is not included in regular maintenance. I am sure that everyone at Mercedes-Benz would agree that this is unacceptable.

Following, you will find a list of some of the problems that I have encountered since purchasing the Mercedes C320:

  • Gas cap would not unlock when doors were unlocked (serviced)
  • Remote stopped working (twice) (replaced and then serviced)
  • Front turn-signals failed, first left then right (headlamp r/l replaced)
  • Sound system had popping noise even with volume at zero
  • Display telling me that oil level was too high reduce immediately
  • Drivers door making a loud knock when opened (serviced)
  • Rear turn-signal failed (serviced)
  • Drivers side window failed (serviced switch replaced)
  • Gas tank unable to be filled (fuel-sender gauge failed serviced not fixed)
  • Rear springs makes an annoying squeak (was told it was unserviceable).

Most of these problems were minor nuisances. However, the number of the problems has made my ownership of the C320 regrettable at best. Trusting and believing in Mercedes reputation for creating quality automobiles, my wife and I made a cash down payment of more than half of the total cost of the car but together we agree that that was a very poor business decision. We hope that something can be done to rectify this situation.

I have a 2001 C320 that I purchased in March of last year. I have been to the dealership 8 times, almost every month from the time I purchase my car, in regards to remote key not operating properly. As of today, the key is still not working properly. It will work fine for a few weeks, then it goes bad again.

I would like to know if I can get help to apply this as a lemon car. I already lost confidence that they will be able to repair this car and I try to be patient by bringing my car 8 or 9 times now. Even a mercedez-benz representative was present during repair and still was not able to fix the problem. I have repair report in my hand from the dealership in regards to my car.

It cause me embarrassment, friends and colleagues laughing and joking about me paying so much for nothing/lemon. I am very frustrated just bringing it again and again to the dealership for the same thing.

I would also like to know if you can help me do this instead of going to a private lawyer.

Cielo should consult an attorney.


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