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EnginePart report

2005 Mercedes-Benz E320 Engine Problems

Complaints
9about this part
Share
4%of 231 total for the year
Median mileage
87,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 9 complaints about the engine of the 2005 Mercedes-Benz E320, 4% of the 231 complaints for this model year. Where a mileage was given, the median is 87,000 miles. 2 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.

“Was driving on the highway and the car lost power. Took it in to the dealer and I was told that the problem cannot be duplicated. The car was in several times for repairs without success. Changed the EGR valve to no avail. When the car looses power I have to restart it ,and then is fine for a while. Bought the car new an sill have it.”

NHTSA complaint #10660543, filed 2014-11, 20,000 miles

“Car shut off randomly by going safe mode while driving, constant break warning in bright red break visit workshop I went to multiple shops and a consistent electrical issue but, problem to be determined, car has been checked multiple times before I purchased it from the used car dealer with the srs light on, I did not know what it was. The car has had the alternator replaced 3 times, both batteries twice, one short was found in faulty wiring harness in truck being pinched. …”

NHTSA complaint #11143924, filed 2018-10, 12,300 miles

“Battery light came on so it was charged then reconnected, everything good, turn key to on position everything good, turn key to start and bang! Loud bang and white smoke everywhere, engine continued to smoke for several minutes after explosion, hole in front of engine”

NHTSA complaint #11128362, filed 2018-09, 123,000 miles

“The engine shut down by itself. I tried to restart, but it did not. However, it would start again, after 5 minutes. These events have happened several times; it became dangerous. Engine problems due to crankshaft position sensor failure.”

NHTSA complaint #10622527, filed 2014-08, 100,000 miles

“Slowing down for light and car tries to stall. After getting it home and in the garage, noticed strong gas smell. Took to shop and guy said gas leak from top of tank. Read about lots of complaints about this issue with other people with E320's.”

NHTSA complaint #10546031, filed 2013-09, 106,000 miles

Related service bulletins

Engine: other model years

YearComplaintsShare of year
2009225%
2008330%
2007424%
200594%
200421%
200373%
200214%
200138%
200025%
199825%
199612%
199522%
1994218%

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 cooling
8 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 30, 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