Total Complaints
1 filings
MERCEDES-BENZ W163 · model year
1 NHTSA complaints for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 1999MERCEDES-BENZW163 carries 1 consumer safety complaint 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 1999 W163 is fuel/propulsion system with 1 filings. 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 15 investigation files overlapping the 1999 W163. 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
1 filings
Crashes Reported
0 reports
Source
NHTSA ODI
Federal complaints database
At or below the fleet median complaint volume.
| Component | Count |
|---|---|
| FUEL/PROPULSION SYSTEM | 1 |
THE FUEL PUMP IS LEAKING FUEL ON TO THE GROUND WHEN CAR IS RUNNING I WAS READING SOME FORUMS AND MULTIPLE PEOPLE ARE HAVING THE SAME PROBLEM AND MERCEDES ISN'T HAVING THE PROBLEM FIXED AS IT IS POTENTIALLY DANGEROUS TO HAVE ANY FUTURE FUEL LEAKS DUE TO AGE I HAVE A 1990 MERCEDES R129 THAT HAS MORE MILES AND OLDER AND NEVER HAD A FUEL LEAK WHAT SO EVER... SO IM POINTING THE FINGER AT MERCEDES DUE TO THE FACT THAT THIS CAR WAS POORLY DESIGNED FUEL FILTER PLACEMENT AND FUEL PUMP SECURING AND SEALS.. *TR
Mileage: 120,000
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.