Huge win for car owners! All TSBs to be made public. The Center for Auto Safety just made the NHTSA (US Government) make public the full text of all TSBs from now on. They are the same organization that has petitioned the NHTSA & filed lawsuits to protect car owners over exploding gas tanks & other major safety issues. Whenever you drive in your car, you are safer thanks in part to a lot of work over the years by this small but very effective consumer advocacy group.

Please take a moment & say thank you by donating $5 or whatever you can to the Center for Auto Safety.


really awful
Typical Repair Cost:
No data
Average Mileage:
178,000 miles
Total Complaints:
1 complaints

Most Common Solutions:

  1. not sure (1 reports)
2002 Mercedes-Benz C320 engine problems

engine problem

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2002 Mercedes-Benz C320 Owner Comments

problem #1

Dec 022014

C320 3.2L V6

  • Automatic transmission
  • 178,000 miles


Original issue was that car would not accelerate, then they replaced spark plugs, coils, pistons and I don’t know what else on Thanksgiving day 400 miles from my home….:( I spent thousands to fix this failure mode that was related to 3 of the 6 cylinders failed. Then the car had exact same problem about 2-3 week later and it AGAIN cost me over thousand.

All the problems with C320 started to appear right after the 100,000 mark on mileage. I have had several major issues for different failures over the life of this car so far, like major oil leak from gasket (cost $2500), left seat control module two times (cost >$1200 every time), ESD failure (cost $2000) that locked my steering wheel, fuel pump and filter failure (cost $1200), two other reoccurring issues that are hard to explain and so on... Another annoying one is where I can never get rid of light bulb/lamp failure signs even after I have replaced many of them over time.

I don't think Mercedes even care about users' concerns anymore. I think they are trying to get into car service business by producing crappy cars instead of selling reputed reliable cars.

- , Santa Clara, CA, USA

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