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EnginePart report

2015 Mercedes-Benz CLS400 Engine Problems

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

NHTSA recorded 1 complaints about the engine of the 2015 Mercedes-Benz CLS400, 13% of the 8 complaints for this model year. 1 a fire, according to the filers.

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.

“2015 mercedes benz CLS 400 - Engine caught fire while in a parking lot approximately 10 minutes after i parked it and went inside department store. The vehicle had no open recalls”

NHTSA complaint #11504181, filed 2023-01

Related service bulletins

Engine: other model years

YearComplaintsShare of year
2015113%

Other parts of the 2015 Mercedes-Benz CLS400

Electrical system
3 complaints
Electronic stability control
2 complaints
Brakes
1 complaints
Exterior lighting
1 complaints
Seats
1 complaints
Steering
1 complaints
Transmission and drivetrain
1 complaints
Wheels
1 complaints

← All problems reported for the 2015 Mercedes-Benz CLS400

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