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Engine coolingPart report

2005 Mercedes-Benz E320 Engine cooling Problems

Complaints
8about this part
Share
3%of 231 total for the year
Median mileage
35,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 8 complaints about the engine cooling of the 2005 Mercedes-Benz E320, 3% of the 231 complaints for this model year. Where a mileage was given, the median is 35,000 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.

“Cable harness and connectors in steering column airbag, poor connection from using steering wheel. Engine and transmission mounts disintegrated and needed to be replaced. Front thrust arms with bushings had torn boots and needed to be replaced. Crankshaft sensor was faulty and needed to be replaced. Transmission data link connector was faulty and needed to be replaced.”

NHTSA complaint #10477400, filed 2012-09, 75,113 miles

“Faulty cam and crankshaft position sensor caused engine to die (stall) in heavy nyc traffic in the center lane of us hwy 9. Dealer indicated that the cam position sensor 003-153-28-28 and sender unit 004-153-69-28 must be replaced, indicating the cause as an internal fault. Dealer's service rep stated that this was a common problem. The failure mode is the same as occurred on my e 320 model year 2000.”

NHTSA complaint #10331972, filed 2010-05, 124,325 miles

“Vehicle was acting normally up to incident. Entering highway accelerating like normal and pulled out in front of tractor trailer when suddenly car had dramatic and frightening loss of power. Full throttle did nothing. Downshifting did nothing. With truck horns blaring and near collision, I pulled off the road. Restarting cleared the problem. Dramatic loss of power has occurred three more times with no warning nor check engine light. Now light comes on with EGR out of range code. …”

NHTSA complaint #10418815, filed 2011-08, 62,000 miles

“The vehicle smelled like something was burning and the steering wheel squeaked. The dealer was unable to find any defects after servicing the vehicle.”

NHTSA complaint #10099130, filed 2004-11, 18,000 miles

“The contact owns a 2005 mercedes benz E320 cdi. The contact stated that when he attempted to start the vehicle, it would not respond. The failure occurred several times and there were no warning lights. The vehicle was towed to an authorized dealer several times and the computer was reprogrammed. The failure continued. The failure mileage was 13,745 and the current mileage was 14,027.”

NHTSA complaint #10362754, filed 2010-10, 13,745 miles

Related service bulletins

Engine cooling: other model years

YearComplaintsShare of year
2009113%
2008220%
200716%
200583%
200442%
200331%
2002417%
200113%
200049%
19991822%
1998822%
199746%
199649%
199588%
199419%

Other parts of the 2005 Mercedes-Benz E320

Fuel system
122 complaints
Brakes
54 complaints
Air bags
22 complaints
Electrical system
16 complaints
Transmission and drivetrain
10 complaints
Engine
9 complaints
Steering
6 complaints
Suspension
6 complaints
Visibility (wipers, defrost, mirrors)
5 complaints
Vehicle speed control
4 complaints
Other or unknown
3 complaints
Seat belts
3 complaints

← All problems reported for the 2005 Mercedes-Benz E320

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 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