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EnginePart report

2014 Mercedes-Benz C204.9 Engine Problems

Complaints
1about this part
Share
13%of 8 total for the year
Median mileage
104,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 1 complaints about the engine of the 2014 Mercedes-Benz C204.9, 13% of the 8 complaints for this model year. Where a mileage was given, the median is 104,000 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.

“2 camshaft adjusters replaced at 104,000 miles. Some fail every 50-60,000 miles. Work done at hoehn mercedes. Before repair - slow crank at start, some smoke when engine starting, check engine light came on.”

NHTSA complaint #11326629, filed 2020-05, 104,000 miles

Related service bulletins

Engine: other model years

YearComplaintsShare of year
2014113%
2013240%

Other parts of the 2014 Mercedes-Benz C204.9

Electrical system
3 complaints
Steering
3 complaints
Vehicle speed control
2 complaints
Air bags
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