MERCEDES-BENZ S CLASS · model year

1997 MERCEDES-BENZ S CLASS

4 NHTSA complaints for this specific cohort.

NHTSA overall rating

Not crash-tested

New Car Assessment Program

The 1997MERCEDES-BENZS CLASS carries 4 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, 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 1997 S CLASS is electrical system:wiring with 1 filings, followed by electrical system:wiring:front underhood (1) and electrical system:software (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 1 investigation file overlapping the 1997 S CLASS. 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.

4
Complaints
0
Crashes
0
Fires
0
Injuries
0
Deaths

Total Complaints

4 filings

Crashes Reported

0 reports

Source

NHTSA ODI

Federal complaints database

Complaints vs. fleet median (215)

At or below the fleet median complaint volume.

Complaints by Component

ComponentCount
ELECTRICAL SYSTEM:WIRING1
ELECTRICAL SYSTEM:WIRING:FRONT UNDERHOOD1
ELECTRICAL SYSTEM:SOFTWARE1
ELECTRICAL SYSTEM1

Recent Complaints

20100303ELECTRICAL SYSTEM

THE ENGINE WIRING HARNESS FOR THE ENGINE OF A 1997 MERCEDES-BENZ S500 HAS DISINTEGRATED DUE TO A MANUFACTURING DEFECT. THE MERCEDES MANUFACTURER SEEMED TO HAVE USED AN INFERIOR AN UNSUITABLE INSULATION FOR THE WIRES, WHICH, FOR NO REASON OTHER THAN TIME, DETERIORATE ALLOWING THE WIRES TO SHORT AND PREVENT THE VEHICLE FROM FUNCTIONING AS WELL AS CREATING A HAZARDOUS SITUATION SUCH AS FIRE IN ENGINE AND ETC. THE MERCEDES MANUFACTURER IS AWARE OF THE DEFECT BUT REFUSES TO PROVIDE A SOLUTION OR TO ASSIST IN ANY WAY. *TR

Mileage: 140,000

20080304ELECTRICAL SYSTEM:WIRING

MULTIPLE FAILURES, WITH DEGRADATION OF INSULATION ON WIRING IN THIS VEHICLE. *TR

Mileage: 83,000

20080304ELECTRICAL SYSTEM:WIRING:FRONT UNDERHOOD

MULTIPLE FAILURES, WITH DEGRADATION OF INSULATION ON WIRING IN THIS VEHICLE. *TR

Mileage: 83,000

20080304ELECTRICAL SYSTEM:SOFTWARE

MULTIPLE FAILURES, WITH DEGRADATION OF INSULATION ON WIRING IN THIS VEHICLE. *TR

Mileage: 83,000

Compare 1997MERCEDES-BENZS CLASS to Similar Vehicles

NHTSA Investigations

Frequently Asked Questions

How many complaints does the 1997 MERCEDES-BENZ S CLASS have?
The 1997 MERCEDES-BENZ S CLASS has 4 NHTSA complaints, 0 crashes, 0 fires, 0 injuries, and 0 deaths reported.
What are the most common problems with the 1997 MERCEDES-BENZ S CLASS?
The most-complained component for the 1997 MERCEDES-BENZ S CLASS is ELECTRICAL SYSTEM:WIRING with 1 complaints. Other frequently reported areas include ELECTRICAL SYSTEM:WIRING:FRONT UNDERHOOD and ELECTRICAL SYSTEM:SOFTWARE.
Is the 1997 MERCEDES-BENZ S CLASS 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.