1992 Mercedes Benz 400E: Reliability Data

Source: NHTSA — 21 complaints
21
Total Complaints
130,000mi
Median Mileage
ELECTRICAL SYSTEM:WIRING:FRONT UNDERHOOD
Top Issue
1
Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

98,750 25th Percentile
130,000 Median Mileage
138,178 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

ELECTRICAL SYSTEM:WIRING:FRONT UNDERHOOD
7
ELECTRICAL SYSTEM
6
ELECTRICAL SYSTEM:WIRING
4
VEHICLE SPEED CONTROL
1
ENGINE AND ENGINE COOLING
1
SERVICE BRAKES, HYDRAULIC
1
POWER TRAIN
1

Severity Assessment

1
Crashes
2
Fires
0
Injuries
0
Deaths

Sample Complaint Reports

"ACCELERATION SLIP CONTROL UNIT FAILED, CAUSING VEHICLE TO ACCELERATE OUT OF CONTROL."
"CONSUMER STATES IN 08/02 EXPERIENCED PROBLEMS W/AIR CONDITIONING CUTTING OFF. VEHICLE CHECKED BY DLR WHO DIAGNOSED THAT INSULATION ON FUEL INJECTION WIRING HARNESS DETERIORATED CAUSING WIRES TO RUB TOGETHER. CONSUMER DISCOVERED THAT HARNESS INSULATION IS MADE OF BIO-DEGRADABLE MATERIAL RESULTING I..."
"MAIN ENGINE WIRING HARNESS IS CURRENTLY DETERIORATING CAUSING THE WIRES TO BE EXPOSED TO AN INTENSE AMOUNT OF HEAT."

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28