Mercedes-Benz S320 Problems by Model Year
NHTSA recorded 6 consumer complaints across the 1 model years of the Mercedes-Benz S320 (1997–1997) that have at least 5 complaints. 1997 has the most, with 6. Across all years, the part named most often is seat belts (2 mentions). Pick a model year below to see its parts, mileage, recalls and service bulletins.
All S320 model years
Years with fewer than 5 complaints are not listed. The score compares years of the same model, allowing for the era and for how long each year has collected complaints: 50 is a typical year, lower means fewer complaints. It is not adjusted for sales volume.
| Year | Complaints | Median mi | Recalls | TSBs | Score (50 = typical) | Trend |
|---|---|---|---|---|---|---|
| 1997 | 6 | 195,000 | 0 | 10 | — | Not enough data |
Parts named most often, all years
Counts add up complaint mentions across the listed years. A complaint can name several parts.
- Seat belts2 29%
- Air bags2 29%
- Transmission and drivetrain1 14%
- Fuel system1 14%
- Equipment1 14%
Example complaints
One per model year, chosen for length and detail. Personal details are removed. They are consumer reports, not findings.
1997: “The contact owns a 1999 (na) Mercedes-Benz S320. When the contact attempted to start the vehicle, the air conditioner compressor failed to function. The vehicle was taken to the dealer where it was diagnosed, but a failure could not be found. The manufacturer was not notified of the failure. The failure mileage was 195,000.”
NHTSA complaint #10873088, filed 2016-06, 195,000 milesOther Mercedes-Benz models
3,963 complaintsMercedes-Benz E350
2,215 complaintsMercedes-Benz E320
1,164 complaintsMercedes-Benz ML350
952 complaintsMercedes-Benz GLK350
901 complaintsMercedes-Benz ML320
740 complaintsMercedes-Benz C250
725 complaintsMercedes-Benz GLC 300
657 complaints
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate. Methodology