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Engine coolingPart report

1999 Mercedes-Benz 320 Engine cooling Problems

Complaints
5about this part
Share
17%of 30 total for the year
Median mileage
51,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 5 complaints about the engine cooling of the 1999 Mercedes-Benz 320, 17% of the 30 complaints for this model year. Where a mileage was given, the median is 51,000 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.

“While driving vehicle stalled. Consumer managed to pull over, and had the vehicle towed. Dealership informed the consumer that the problem pertained to the engine timing chain. The problem was not resolved.”

NHTSA complaint #10053593, filed 2004-02, 51,236 miles

“Vehicle stalls when vehicle hits bumps in the road. Dealer was notified. Dealer inspected the vehicle, informing owner to not put any keys in the ignition. Consumer request for more information regarding this subject.”

NHTSA complaint #843257, filed 1999-09

Engine cooling: other model years

YearComplaintsShare of year
2002218%
2001424%
200016%
1999517%
1998410%
199715%
199617%
1995414%
199448%

Other parts of the 1999 Mercedes-Benz 320

Electrical system
7 complaints
Transmission and drivetrain
4 complaints
Air bags
3 complaints
Brakes
3 complaints
Seat belts
3 complaints
Steering
3 complaints
Vehicle speed control
3 complaints
Visibility (wipers, defrost, mirrors)
3 complaints
Body and structure
2 complaints
Suspension
2 complaints
Equipment
1 complaints
Exterior lighting
1 complaints

← All problems reported for the 1999 Mercedes-Benz 320

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