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Electrical systemPart report

2014 Mercedes-Benz C204.9 Electrical system Problems

Complaints
3about this part
Share
38%of 8 total for the year
Median mileage
59,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 3 complaints about the electrical system of the 2014 Mercedes-Benz C204.9, 38% of the 8 complaints for this model year. Where a mileage was given, the median is 59,000 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.

“The anti theft system failed after 59,000 miles, locke the steering wheel and won't allow the car to start. Mercedes charges 1,800 dollars to replace it.. Needs to be recalled very dangerous.”

NHTSA complaint #11372423, filed 2020-10, 59,000 miles

“I can't believe I experienced that .. My car all of the sudden jerked on the freeway and started shaking . I seriously thought we had an earthquake .. Then it accelerated and the next thing you know I'm going 25 miles and hour .. So glad I was near an exit I put the car in neutral rolled down the hill , made a turn and shut it off .took me a minute to gather myself .. What if I was in a middle lane ? What if someone couldn't press the breaks in time🤦🏻‍♀️🤯😡...”

NHTSA complaint #11344258, filed 2020-08

Related service bulletins

Electrical system: other model years

YearComplaintsShare of year
2014338%
2013120%

Other parts of the 2014 Mercedes-Benz C204.9

Steering
3 complaints
Vehicle speed control
2 complaints
Air bags
1 complaints
Engine
1 complaints
Fuel system
1 complaints
Body and structure
1 complaints

← All problems reported for the 2014 Mercedes-Benz C204.9

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 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