1992 Mercedes-Benz 300 Series Engine cooling Problems
- Complaints
- 3about this part
- Share
- 23%of 13 total for the year
- Median mileage
- 121,818miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the engine cooling of the 1992 Mercedes-Benz 300 Series, 23% of the 13 complaints for this model year. Where a mileage was given, the median is 121,818 miles.
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.
“Emissions air pump seized causing the serpentine belt to melt all over associated components. This is the third known replacement of a serpentine belt--two of which were 16,000 miles between replacements. Emissions air pump, idle pulley and serpentine belt were replaced. This car also has a 7 year history of random stalling which has never been fixed.”
NHTSA complaint #10014208, filed 2003-04, 143,137 miles“The contact owns a 1992 mercedes benz 300se. The contact noticed that the vehicle was not idling properly. The vehicle would stall while at a stop sign and completely shut off. The vehicle was able to be restarted immediately. The dealer stated that the engine wiring harness was faulty. The mechanic suggested that he notify the manufacturer, but they claimed to never have heard of the failure and could not assist. The vehicle has not been repaired. The current and failure mileages were approximately 100,500. Updated 05/19/09 the issue was a dry rotted engine wiring harness. …”
NHTSA complaint #10268253, filed 2009-05, 100,500 miles“Radio, alarm, backup warning, moon roof, quit working. Battery died and had to be replaced. Car had difficulties starting and running rough. Both wiring harnesses have to be replaced.”
NHTSA complaint #10186762, filed 2007-04Engine cooling: other model years
Other parts of the 1992 Mercedes-Benz 300 Series
9 complaintsEngine
1 complaintsBody and structure
1 complaintsTires
1 complaintsTransmission and drivetrain
1 complaints
← All problems reported for the 1992 Mercedes-Benz 300 Series
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 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