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Engine coolingPart report

2003 Mercedes-Benz S Class Engine cooling Problems

Complaints
2about this part
Share
7%of 28 total for the year
Median mileage
4,215miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 2 complaints about the engine cooling of the 2003 Mercedes-Benz S Class, 7% of the 28 complaints for this model year. Where a mileage was given, the median is 4,215 miles.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Engine cooling: other model years

YearComplaintsShare of year
200327%
200248%
200113%
200034%
1996233%
199527%

Other parts of the 2003 Mercedes-Benz S Class

Suspension
7 complaints
Electrical system
6 complaints
Air bags
4 complaints
Seat belts
4 complaints
Latches, locks and linkages
3 complaints
Equipment
2 complaints
Interior lighting
2 complaints
Body and structure
2 complaints
Transmission and drivetrain
2 complaints
Brakes
1 complaints
Fuel system
1 complaints
Steering
1 complaints

← All problems reported for the 2003 Mercedes-Benz S Class

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