Total Complaints
8 filings
MERCEDES-BENZ 300 · model year
8 NHTSA complaints for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 1988MERCEDES-BENZ300 carries 8 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, 2 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 1988 300 is air bags:frontal with 2 filings, followed by engine and engine cooling:engine:gasoline (1) and visibility:rearview mirrors/devices:interior (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 15 investigation files overlapping the 1988 300. 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
8 filings
Crashes Reported
0 reports
Source
NHTSA ODI
Federal complaints database
At or below the fleet median complaint volume.
| Component | Count |
|---|---|
| AIR BAGS:FRONTAL | 2 |
| ENGINE AND ENGINE COOLING:ENGINE:GASOLINE | 1 |
| VISIBILITY:REARVIEW MIRRORS/DEVICES:INTERIOR | 1 |
| ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY | 1 |
| ENGINE AND ENGINE COOLING:COOLING SYSTEM | 1 |
| ELECTRICAL SYSTEM:IGNITION:MODULE | 1 |
| VEHICLE SPEED CONTROL | 1 |
VEHICLE WILL SUDDENLY ACCELERATE. DEALER CANNOT FIND CAUSE. *AK
WHILE DRIVING ABOUT 5-10 MPH THE AIR BAG ON THE DRIVER'S SIDE DEPLOYED FOR NO APPARENT REASON. THE DEALER IS AWARE OF THE SITUATION. THE AIR BAG HAS NOT BEEN REPLACED. *AK
COMPUTER FAILED, CAUSING INTERMITTENT STALLING. *AK
AIR BAG INDICATOR LIGHT WAS FLASHING OFF/ON, REPLACED AIR BAG, STILL HAPPENS ON LONG TRIPS. *DSH
WATER PUMP DEFECTIVE.
PLASTIC THERMOSTAT HOUSING BROKE, CAUSED LOSS OF COOLANT WHICH DAMAGED THE ENGINE. TT
SPRING ON DAY/NIGHT MECHANISM ON REAR-VIEW MIRROR CRACKED AND PLASTIC BOTTOM FLEW INTO DRIVER'S LAP, CAUSING INJURY. *SKD
ENGINE OVERHAUL IN THE FIRST YEAR. TT
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.