IllustrationWIRING HARNESS CAUGHT FIRE WHILE IN SHOP FOR REPAIRS. *TR
1993 Mercedes Benz 300E
Owner reports · Recalls · Investigations
Limited comparison data
There is not enough comparable history to draw a useful model-year comparison.
About this comparison →How this year compares
Owner complaints by model year
Compare all 300E years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
Limited mileage data: 7 of 8 reports include usable mileage. There isn’t enough coverage to show a useful chart.
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Electrical System. Review the 8 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Engine. Review the 3 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Suspension. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
0 crash reports1 fire reports1 injury reports
Engine complaints
3 reportsCAR IS MIS-FIRING AND WAS TOLD BY THE MECHANIC THAT THE ENGINE HARNESS JUST CRUMBLED WHEN HE TOUCHED IT. THE ENTIRE HARNESS NEEDS TO BE REPLACED. *TR
PURCHASED 1993 MERCEDES BENZ 300E AND IT DEVELOPED ENGINE MISS. TOOK TO MECHANIC FOR TUNE UP AND WAS ADVISED THAT UNABLE TO TUNE UP DUE TO ENGINE WIRING HARNESS INSULATION DISINTEGRATION. A COMMON DEFECT WITH THESE MODELS SINCE THEY WERE NEW. THAT IT WAS A MANUFACTURERS DEFECT. CALLED MERCEDES BENZ USA AND WAS ADVISED TO…
Read full complaint
PURCHASED 1993 MERCEDES BENZ 300E AND IT DEVELOPED ENGINE MISS. TOOK TO MECHANIC FOR TUNE UP AND WAS ADVISED THAT UNABLE TO TUNE UP DUE TO ENGINE WIRING HARNESS INSULATION DISINTEGRATION. A COMMON DEFECT WITH THESE MODELS SINCE THEY WERE NEW. THAT IT WAS A MANUFACTURERS DEFECT. CALLED MERCEDES BENZ USA AND WAS ADVISED TO TOW CAR TO NEAREST MERCEDES DEALER ( ROMANO MERCEDES FAYETTEVILLE NY) FOR INSPECTION . THEY INSPECTED AND FOUND INSULATION IN HARNESS TO BE BAD, AND SAID THEY WOULD REPLACE IT FOR $2600.00. WE THEN CALLED MERCEDES USA BACK AND THEY DENY PROBLEM AND HELP. VEHICLE IS NOT DRIVABLE,HAS BARE WIRES EXPOSED, FIRE HAZARD/RISK, RUNS INTERMITTENTLY/RUFF/STALLS, ACCIDENT HAZARD. *TR
Official recalls
0No recalls in this snapshot.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
0No exact-year investigations in this snapshot.