2012 Mercedes-Benz E350 Engine cooling Problems
- Complaints
- 1about this part
- Share
- 0%of 217 total for the year
- Median mileage
- 152,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the engine cooling of the 2012 Mercedes-Benz E350, 0% of the 217 complaints for this model year. Where a mileage was given, the median is 152,000 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 2012 Mercedes-Benz E-350. The contact stated that while attempting to start the vehicle, the check engine warning light illuminated. The vehicle was taken to an independent mechanic where it was diagnosed with a failed crankshaft sensor. The contact stated that the crankshaft sensor was replaced; however, the failure reoccurred. The vehicle was taken to another independent mechanic where the contact was informed that the crank shaft sensor needed to be replaced. The vehicle was repaired; however, the failure reoccurred. …”
NHTSA complaint #11761001, filed 2026-08, 152,000 milesRelated service bulletins
- 10210920Apr 7, 2022Mercedes-Benz USA, LLC (âMBUSAâ) is modifying the emission control system on certain diesel vehicles. The Emission Modification for MY11-12 E350 BlueTEC (W212) vehicles has…
- 10205147Nov 14, 2016Ticking or pulsing noise from high-pressure pump and/or fuel injectors.
- 10205154Aug 5, 2016Gasket may settle causing a slight oil leak.
- 10167516Mar 13, 2014Sloshing noises from area of rocker panels/ longitudinal members on left and right.
- 10167513Mar 4, 2014The engine diagnosis warning lamp - check engine lamp (CEL) is active. One or more of the faults relating to the throttle valve actuator (M16/6) listed under 'Control unit /…
- 10166978Feb 6, 2014Engine diagnosis warning lamp lights up - Fault code entry (FC) 14A600 or 14A700
- 10167554Jul 10, 2013Engine diagnosis warning lamp activated. Fault code P045600 "Very fine leak" or P044200 "Fine leak" stored in engine control unit.
- 10167544Jun 21, 2013Harsh 4-3 and/or 4-5 shifts may be experienced, usually more noticeable with light throttle drivers. No check engine light etc. or related diagnostic fault codes. Adaptation…
Engine cooling: other model years
Other parts of the 2012 Mercedes-Benz E350
84 complaintsFuel system
35 complaintsBrakes
20 complaintsEngine
20 complaintsElectrical system
19 complaintsOther or unknown
17 complaintsSuspension
14 complaintsTransmission and drivetrain
10 complaintsSteering
9 complaintsSeats
8 complaintsBody and structure
8 complaintsSeat belts
4 complaints
← All problems reported for the 2012 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