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Engine coolingPart report

2004 Mercedes-Benz 230 Engine cooling Problems

Complaints
2about this part
Share
33%of 6 total for the year
Median mileage
75,278miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 2 complaints about the engine cooling of the 2004 Mercedes-Benz 230, 33% of the 6 complaints for this model year. Where a mileage was given, the median is 75,278 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.

“Was driving on expressway today 2/27/1980 when my 2004 mercedes 230 went from 65 to 35mph almost was killed by a semi truck behind me!!!! Looked online today to see if anyone else had similar problems well I went to one site over 200 complaints about the same problem. Their is also a pending class action lawsuit about this problem it is very very dangerous and I was almost killed today by my own car!!!!! 2/27/1980 130pm this happened on my birthday now iam having it towed and repaired and I have sore neck also. Please check into this please. …”

NHTSA complaint #10449482, filed 2012-02, 124,000 miles

“- contact stated that while driving her 2004 mercedes benz c230 there were exhaust fumes entering the passenger compartment of from an unknown area. The fumes caused the contact to have a headache. The contact took the vehicle to the dealer for service at 25,000 miles ,and she wanted the dealer to change the air recirculation, but the dealer stated that they couldn't change it due to carbon monoxide poisoning. Information was given to the dealer by the manufacturer.”

NHTSA complaint #10181668, filed 2007-02, 26,555 miles

Engine cooling: other model years

YearComplaintsShare of year
2004233%
1999113%

Other parts of the 2004 Mercedes-Benz 230

Transmission and drivetrain
2 complaints
Air bags
1 complaints
Electrical system
1 complaints
Equipment
1 complaints

← All problems reported for the 2004 Mercedes-Benz 230

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