1993 Mercedes-Benz 300 Series electrical system problems
19 owner complaints filed with NHTSA name the electrical system on the 1993 Mercedes-Benz 300 Series — 90% of all complaints for this model year.
What owners report
“I have two mercedes benz w124 cars. Both cars have had the wiring harness failure and that destroyed many very expensive electronic components on the cars. 1993 300e 4 door sedan, wiring harness failure and destroy many things very expensive on the car 1995 e320 cabriolet rare collectors…”
filed May 29, 2011
“I have a 1993 mercedes benz 300e and the wiring harness has broken down. The insulation on the wires has completely disintegrated to the point where the wires are touching each other. This in turn make the engine run poorly and replacing the wiring harness is the only option. This at a cost of over…”
filed May 23, 2011
“300e engine wiring harness degrading, flaking insulation, shorting wires for all systems, multiple problems. Racing idle, uncontrollable acceleration, stalling, check engine lights coming on and off. Replaced thousands $$ in parts only to find it is a well safety problem that no-one, including the nhtsa has the…”
filed Apr 13, 2011
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Other reported problem areas on the 1993 Mercedes-Benz 300 Series
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.