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Engine coolingPart report

2014 Mercedes-Benz E350 Engine cooling Problems

Complaints
1about this part
Share
0%of 278 total for the year
Median mileage
140,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 1 complaints about the engine cooling of the 2014 Mercedes-Benz E350, 0% of the 278 complaints for this model year. Where a mileage was given, the median is 140,000 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 contact owns a 2014 Mercedes-Benz E-350. The contact stated that while the vehicle was parked and occupied, the contact heard an abnormal rattling sound coming from the engine that lasted for approximately 3 seconds when first started. An independent mechanic was contacted. The vehicle was taken to an independent mechanic, and the contact was informed that the failure was a common issue, and that the vehicle operated as designed. The contact stated that the failure might be related to the timing chain or the lifters. …”

NHTSA complaint #11693801, filed 2025-10, 140,000 miles

Related service bulletins

Engine cooling: other model years

YearComplaintsShare of year
201410%
201210%
201011%
200811%
200751%
2006226%

Other parts of the 2014 Mercedes-Benz E350

Brakes
50 complaints
Air bags
49 complaints
Electrical system
38 complaints
Fuel system
36 complaints
Suspension
30 complaints
Other or unknown
27 complaints
Steering
27 complaints
Body and structure
25 complaints
Engine
20 complaints
Transmission and drivetrain
15 complaints
Wheels
11 complaints
Seats
8 complaints

← All problems reported for the 2014 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