1990 Mercedes-Benz 300 Engine cooling Problems
- Complaints
- 3about this part
- Share
- 60%of 5 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the engine cooling of the 1990 Mercedes-Benz 300, 60% of the 5 complaints for this model year.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“I drop my car to the service station for smog check, next day I called mechanic,to see if my car is done. He said no it still have a high reading on hydro emission. He said he will try to inject water and or some kind of chemical into the engine to rejuvenate the catalytic converter. Next day he called me and said that my car needs a new catalytic converter. He said I can have one put in for $480.00. I said it's too high. I told him I wil have my other mechanic from california muffler install one on it. …”
NHTSA complaint #761289, filed 2002-04Engine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 1999 | 1 | 17% |
| 1997 | 2 | 40% |
| 1996 | 2 | 25% |
| 1995 | 1 | 6% |
| 1993 | 7 | 18% |
| 1992 | 5 | 23% |
| 1991 | 4 | 21% |
| 1990 | 3 | 60% |
| 1989 | 1 | 20% |
| 1988 | 3 | 43% |
| 1987 | 7 | 24% |
| 1983 | 3 | 50% |
Other parts of the 1990 Mercedes-Benz 300
← All problems reported for the 1990 Mercedes-Benz 300
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology