1991 Mercedes-Benz 350 Engine cooling Problems
- Complaints
- 2about this part
- Share
- 33%of 6 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the engine cooling of the 1991 Mercedes-Benz 350, 33% of the 6 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.
“While driving coolant light came on. Dealership was contacted and checked the coolant level, which was fuel. Dealership indicated that it may be a defect in the system that was causing this to occur. The vehicle is still be serviced for this problem.”
NHTSA complaint #10095241, filed 2004-10“Driving vehicle at 65 MPH, belt tensioner broke, lost power steering & power brakes, had no control of vehicle, managed vehicle to side of road, limped to gas station then had it towed to garage for repairs.”
NHTSA complaint #807304, filed 1997-01Engine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 1991 | 2 | 33% |
Other parts of the 1991 Mercedes-Benz 350
← All problems reported for the 1991 Mercedes-Benz 350
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