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Electrical systemPart report

2003 Mercedes-Benz E350 Electrical system Problems

Complaints
2about this part
Share
29%of 7 total for the year
Median mileage
150,102miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 2 complaints about the electrical system of the 2003 Mercedes-Benz E350, 29% of the 7 complaints for this model year. Where a mileage was given, the median is 150,102 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.

“My 2003 e320 sedan batteries is constantly draining after the vehicle sits for 6 or more hours. I have incurred costly expenses in replacing both the rear load & front small auxiliary batteries to include labor cost at an authorized mercedes repair shop. October 2019 I tried to access the car using the key knob, however no power to access the vehicle nor access the trunk. …”

NHTSA complaint #11308122, filed 2020-02, 205 miles

Related service bulletins

Electrical system: other model years

YearComplaintsShare of year
2024240%
2023117%
2022111%
2021431%
2020225%
2017114%
2016918%
2015516%
20143814%
2013127%
2012199%
201142%
2010179%
200935%
20081810%
2007175%
2006195%
2005213%
2004110%
2003229%

Other parts of the 2003 Mercedes-Benz E350

Fuel system
2 complaints
Air bags
1 complaints
Seat belts
1 complaints
Steering
1 complaints
Suspension
1 complaints
Transmission and drivetrain
1 complaints
Visibility (wipers, defrost, mirrors)
1 complaints

← All problems reported for the 2003 Mercedes-Benz E350

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