Total Complaints
2 filings
MERCEDES-BENZ 450SLC · model year
1979 MERCEDES-BENZ 450SLC
2 NHTSA complaints, 1 crash report for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 1979MERCEDES-BENZ450SLC carries 2 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 1 crash, 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 1979 450SLC is vehicle speed control with 2 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 1979 450SLC. 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.
2
Complaints
1
Crashes
0
Fires
0
Injuries
0
Deaths
Crashes Reported
1 reports
Source
NHTSA ODI
Federal complaints database
Complaints vs. fleet median (215)
At or below the fleet median complaint volume.
Complaints by Component
| Component | Count |
|---|---|
| VEHICLE SPEED CONTROL | 2 |
Recent Complaints
20020502CrashVEHICLE SPEED CONTROL
WHILE PARKING HER VEHICLE INSIDE OF THE PARKING LOT. WITHOUT PRIOR WARNING THE VEHICLE ACCELERATED FORWARD AND HIT A TREE AND BANK BUILDING. *JB *YH
20010921VEHICLE SPEED CONTROL
WHEN ENGINE WAS STARTED, IT RAN AT FULL THROTTLE DUE TO A NYLON BUSHING FAILURE, THE NYLON BUSHING WAS NOTED TO BE COMPLETELY DISINTEGRATED. *SLC
Compare 1979MERCEDES-BENZ450SLC to Similar Vehicles
NHTSA Investigations
Frequently Asked Questions
How many complaints does the 1979 MERCEDES-BENZ 450SLC have?▼
The 1979 MERCEDES-BENZ 450SLC has 2 NHTSA complaints, 1 crashes, 0 fires, 0 injuries, and 0 deaths reported.
What are the most common problems with the 1979 MERCEDES-BENZ 450SLC?▼
The most-complained component for the 1979 MERCEDES-BENZ 450SLC is VEHICLE SPEED CONTROL with 2 complaints. Other frequently reported areas include various components.
Is the 1979 MERCEDES-BENZ 450SLC safe to buy?▼
Review the complaint history, crash and fire reports, safety ratings, and recall status on this page to make an informed decision. No NHTSA crash test rating is available for this model year. Compare with other model years using the links above.
Where does this data come from?▼
All complaint, recall, and safety rating data is sourced from the National Highway Traffic Safety Administration (NHTSA). Complaints are filed by vehicle owners through NHTSA's Office of Defects Investigation.
Vehicle Safety Guides
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.