Total Complaints
7 filings
MERCEDES-BENZ MERCEDES BENZ · model year
7 NHTSA complaints for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 1991MERCEDES-BENZMERCEDES BENZ carries 7 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 0 crashes, 0 fires, 0 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.
Component-level analysis is where model-year complaints become actionable: the top complaint category for the 1991 MERCEDES BENZ is suspension:front with 1 filings, followed by engine and engine cooling:cooling system:radiator assembly (1) and vehicle speed control (1). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability.
NHTSA currently has 2 investigation files overlapping the 1991 MERCEDES BENZ. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.
Total Complaints
7 filings
Crashes Reported
0 reports
Source
NHTSA ODI
Federal complaints database
At or below the fleet median complaint volume.
| Component | Count |
|---|---|
| SUSPENSION:FRONT | 1 |
| ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY | 1 |
| VEHICLE SPEED CONTROL | 1 |
| ENGINE AND ENGINE COOLING:ENGINE | 1 |
| ENGINE AND ENGINE COOLING:EXHAUST SYSTEM | 1 |
| FUEL SYSTEM, GASOLINE | 1 |
| POWER TRAIN:AUTOMATIC TRANSMISSION | 1 |
VEHICLE EXPERIENCED SLIPPING TRANSMISSION, EXHAUST NOISE AND FUEL LEAK. *AK
VEHICLE EXPERIENCED SLIPPING TRANSMISSION, EXHAUST NOISE AND FUEL LEAK. *AK
VEHICLE EXPERIENCED SLIPPING TRANSMISSION, EXHAUST NOISE AND FUEL LEAK. *AK
LEAK IN THE ENGINE HEAD GASKET CAUSED MAJOR DAMAGE TO PISTONS AND CYLINDER WALL.
WHILE ACCELERATING ON THE FREEWAY (CRUISE CONTROL IS OFF) ... CAR BEGINS TO ACCELERATE OF ITS OWN ACCORD. WHILE BRAKING AIDED SLIGHTLY IN SLOWING THE VEHICLE, THE ACCELERATION CONTINUED UNTIL THE CAR WAS PLACED INTO NUETRAL.
RADIATOR FAILED, BROKE AT NECK WHERE CLAMPED TO THE FIRST HOSE.
FRONT SUSPENSION REPAIRED 3 TIMES.
Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.
Read our methodology — how this data is sourced, computed, and verified.