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.*AK
1991 Mercedes Benz 350
Owner reports · Recalls · Investigations
Limited comparison data
There is not enough comparable history to draw a useful model-year comparison.
About this comparison →How this year compares
Owner complaints by model year
Compare all 350 years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
Limited mileage data: 1 of 6 reports include usable mileage. There isn’t enough coverage to show a useful chart.
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Air Bags. Review the 2 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Engine And Engine Cooling. Review the 2 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Fuel System, Diesel. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
Engine And Engine Cooling complaints
2 reportsDRIVING 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. *AK
Official recalls
0No recalls in this snapshot.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
0No exact-year investigations in this snapshot.
Illustration