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Electrical systemPart report

1995 Mercedes-Benz E300 Electrical system Problems

Complaints
5about this part
Share
83%of 6 total for the year
Median mileage
151,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 5 complaints about the electrical system of the 1995 Mercedes-Benz E300, 83% of the 6 complaints for this model year. Where a mileage was given, the median is 151,000 miles.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“All of the wire insulation on the main engine wiring harness had decayed. Severe risk of fire. Apparently Mercedes-Benz used bio-degradable wire insulation. When exposed to the heat that is in the engine bay, the coating covering the wires disintegrates. Vehicle has 90,000 miles, original owner, no accidents.”

NHTSA complaint #11000303, filed 2017-06, 90,000 miles

“The engine wiring harness was made with biodegradable insulation that has cracked and fallen off the the wires causing short circuits in the glow plug system.”

NHTSA complaint #11331311, filed 2020-06, 212,000 miles

“The copper core of the electrical wire are exposed can easily cause shorting of electrical circuit. This vehicle has been a daily driving vehicle since 1995 spending the whole lifetime in southern california. This is happening to all model line 1995 mercedes E300 diesel, built in those particular model year. These wires are considered lifetime and that it should not considered be replaced after 10 or 15 or even 20+ years in use.”

NHTSA complaint #11003727, filed 2017-07

“The insulation on the engine glowplug wiring harness has deteriorated leaving the covering in dust exposing bare wires that short out and cause malfunctions. Mbusa was contacted and the only response was to get a location. I inquired a second time but got no response except a new harness was $565 at local dealer.”

NHTSA complaint #10639600, filed 2014-09

“Wire insulation covering has deteriorated due to heat and age leaving powder of insulation and bare wires causing malfunction. Mbna was contacted but never answered except to get my country. Second attempt at communicating with them got no response.”

NHTSA complaint #10639598, filed 2014-09

Related service bulletins

Electrical system: other model years

YearComplaintsShare of year
2019310%
2018722%
20172317%
199918%
1997225%
1995583%

Other parts of the 1995 Mercedes-Benz E300

Body and structure
1 complaints
Suspension
1 complaints

← All problems reported for the 1995 Mercedes-Benz E300

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology