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Engine coolingPart report

2008 Mercedes-Benz ML320 Engine cooling Problems

Complaints
2about this part
Share
10%of 21 total for the year
Median mileage
28,900miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 2 complaints about the engine cooling of the 2008 Mercedes-Benz ML320, 10% of the 21 complaints for this model year. Where a mileage was given, the median is 28,900 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.

“Both rear brake light assemblies have failed. These failures increase the likelihood of a rear end collision. When the left assembly failed in 2011, I attributed it to bad luck. When the right assembly failed at 66000 miles in 2012, it occurred to me that mercedes may have a problem that deserves a recall action. Instead of costing about $5 to $10 for light bulbs these assemblies cost about $300 each to replace and install. $600 is enough to cause some people to not repair them and thus create a safety hazard. …”

NHTSA complaint #10455203, filed 2012-04, 55,000 miles

Related service bulletins

Engine cooling: other model years

YearComplaintsShare of year
2009414%
2008210%
2007531%
200256%
200132%
20002716%
19993528%
19983123%

Other parts of the 2008 Mercedes-Benz ML320

Exterior lighting
6 complaints
Electrical system
4 complaints
Steering
3 complaints
Engine
2 complaints
Other or unknown
2 complaints
Seat belts
2 complaints
Vehicle speed control
2 complaints
Air bags
1 complaints
Brakes
1 complaints
Body and structure
1 complaints
Suspension
1 complaints
Transmission and drivetrain
1 complaints

← All problems reported for the 2008 Mercedes-Benz ML320

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