1991 Mercedes-Benz 350 Problems
- Complaints
- 6filed with NHTSA
- Median mileage
- 96,000miles, 1 complaints with mileage
- Recalls
- 0campaigns on record
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
- NHTSA crash rating
- —overall rating starts with 2011 models
- EPA fuel economy
- 21 mpgcombined, 3.5L 6-cyl · diesel RWD · 19 city / 23 hwy
Sources: NHTSA records for the 1991 Mercedes-Benz 350 (complaints, recalls, investigations), EPA fuel economy. Report an error
NHTSA recorded 6 consumer complaints for the 1991 Mercedes-Benz 350. The part named most often is air bags, with 2 complaints (33% of the total), followed by engine cooling (2) and brakes (1). 1 of the complaints include a mileage, and 0% of those were filed for vehicles with under 50,000 miles; the median is 96,000 miles. Of all complaints, 1 involved a crash, according to the filers. NHTSA lists 0 recall campaigns and 0 technical service bulletins for this model year.
This model year has fewer than 25 complaints on record, so the numbers below can change a lot with a few new reports.
Which parts are reported most
Complaints can name more than one part, so the counts add up to more than the total. Select a part to see its complaints, recalls and bulletins.
- Air bags2 33%
- Engine cooling2 33%
- Brakes1 17%
- Fuel system1 17%
Example complaints
Engine cooling: “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 2004-10Brakes: “When attempting to apply the brakes, the brake pedal went to the floor, resulting in extended stopping distance. The dealer was notified. The valve stuck intermittently.”
NHTSA complaint #10042312, filed 2003-12, 96,000 milesFuel system: “Fuel leaked from the fuel injection and got into the head gasket. There was a strong diesel smell. The underhood was saturated with diesel fuel. The consumer noticed diesel fuel and oil around the top of the engine. The consumer also noticed water bubbling where the injectors severed into the head.”
NHTSA complaint #10009161, filed 2003-02Mileage when problems were reported
0% of the 1 complaints with a mileage were filed for vehicles with under 50,000 miles; the middle half falls between 96,000 and 96,000 miles.
Complaints by year filed
Fewer than 15 complaints, too few for a reliable trend.
Fuel economy and running cost
EPA ratings for each 1991 Mercedes-Benz 350 version. Annual fuel cost is the EPA's estimate at its current fuel prices for 15,000 miles a year (55% city driving).
| Version | Engine | Transmission | City | Hwy | Comb. | Fuel / yr |
|---|---|---|---|---|---|---|
| 350SD Turbo RWD | 3.5L 6-cyl · diesel | 4-speed automatic | 19 | 23 | 21 | $4,550 |
| 350SDL Turbo RWD | 3.5L 6-cyl · diesel | 4-speed automatic | 19 | 23 | 21 | $4,550 |
Source: U.S. EPA and Department of Energy, fueleconomy.gov. Ratings are for comparing vehicles; real-world mileage varies with driving and conditions.
Recalls and investigations
NHTSA lists no recall campaigns for the 1991 Mercedes-Benz 350 in the data used here. A recall can apply to some vehicles of a model year and not others, so check a specific vehicle by VIN at nhtsa.gov/recalls.
Technical service bulletins
No technical service bulletins are on record for the 1991 Mercedes-Benz 350.
Other model years of the Mercedes-Benz 350
| Year | Complaints | Median mi | Recalls | Crash ★ | MPG | Score (50 = typical) | Trend |
|---|---|---|---|---|---|---|---|
| 1991 | 6 | 96,000 | 0 | — | 21 | — | Not enough data |
All Mercedes-Benz 350 model years
Frequently asked questions
How many NHTSA complaints does the 1991 Mercedes-Benz 350 have?
NHTSA recorded 6 consumer complaints for the 1991 Mercedes-Benz 350 as of Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
What part of the 1991 Mercedes-Benz 350 is reported most often?
Air bags is named most often, in 2 complaints (33% of the total), followed by engine cooling with 2.
Has the 1991 Mercedes-Benz 350 been recalled?
NHTSA lists no recall campaigns for this model year in the data used here. To check a specific vehicle, enter its VIN at nhtsa.gov/recalls.
What gas mileage does the 1991 Mercedes-Benz 350 get?
The EPA rates the 1991 Mercedes-Benz 350 (350SD Turbo, 3.5L 6-cyl · diesel) at 21 mpg combined, 19 city and 23 highway, with an estimated annual fuel cost of $4,550 at 15,000 miles a year. Other engine and drive versions are rated differently.
At what mileage are problems with the 1991 Mercedes-Benz 350 reported?
Among the 1 complaints that include a mileage, the median is 96,000 miles and the middle half falls between 96,000 and 96,000 miles; 0% were filed for vehicles with under 50,000 miles.
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. Fuel economy is from the EPA and DOE (fueleconomy.gov).
Complaint counts come from NHTSA’s public complaint database; we count each complaint once. The source records for this vehicle are on nhtsa.gov. Scores and trends are our own summaries of that data, described in the methodology. This page is not legal, safety or repair advice: for a specific vehicle, check its VIN at nhtsa.gov/recalls and ask a qualified mechanic. See an error? Tell us.