Mercedes Benz 400 owners have reported 3 engine and engine cooling related problems since 1996. Table 1 shows the 2 most common engine and engine cooling problems. The number one most common problem is related to the vehicle's gasoline engine (2 problems). The second most common problem is related to the vehicle's catalytic convertor (1 problem). For details of each of the problem category, use the links in the table.
| Problem Category | Number of Problems |
|---|---|
| Gasoline Engine problems | |
| Catalytic Convertor problems |
Want car replaced. No safety defect. Read details...
I have a mercedes s420 and have had a continuing problem with bad fumes in the car that are making my whole family really sick. The problem started when we first got the car and recently has become so bad that I have had to get an inhailer from my doctor to breathe. Read details...