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Engine coolingPart report

2005 Mercedes-Benz C230 Engine cooling Problems

Complaints
9about this part
Share
11%of 85 total for the year
Median mileage
47,668miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 9 complaints about the engine cooling of the 2005 Mercedes-Benz C230, 11% of the 85 complaints for this model year. Where a mileage was given, the median is 47,668 miles. 1 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.

“Musty smell in the air conditioner , and I have taken m the vehicle to dealer three times in boerne texas. They have temporarily eliminated the smell although it continued to return. The vehicle is still under warrant, y but there has been no permanent solution to this problem. The warranty will expire in 3 months, and I would like the problem to be resolved prior to warranty expiration.”

NHTSA complaint #10196695, filed 2007-07, 20,000 miles

“Tl. The contact owns a 2005 mercedes benz C230. The contact while driving 20 MPH the vehicle started shaking and loses power. The happens while the vehicle is accelerating. The contact took the vehicle to a mechanic and the mechanic notice the cylinders were miss firing so the mechanic replaced the coils to the spark plugs. A month later the vehicle started shaking and losing power so the contact took the vehicle back to the local mechanic. The mechanic discovered the cylinders had a loss of compression. The mechanic re-manufacturer the cylinder heads in the engine. …”

NHTSA complaint #10360260, filed 2010-10, 104,000 miles

“Problem starts with a hesitation upon acceleration and loss of power while driving. After shutting engine off, then upon starting vehicle, engine would start to shake and stumble. Check engine light would come on. Vehicle engine sounds as if it going to blow up and has no power and stalls becomes undriveable. If you shut engine off again and restart sometimes car can be driven even though check engine light remains on. It always shows the same codes for repair. Car has been towed to dealer 2 times and driven over 4 additional times. …”

NHTSA complaint #10165348, filed 2006-08, 1,900 miles

“First, my steering wheel wire was replaced from a faulty srs light coming on and the esp light coming on. I had to pay for all of this. Next, euromotor cars said the steering wheel collar was broke. I have never had that fixed because they wanted to charge me and I felt they should replace the collar since they replaced the steering wire. Now my car does not start and the instrument cluster does not light up. I cannot unlock the doors with the remote key and I cannot unlock the trunk of the car. My car just sits because I feel I should not have to pay for any of this any more. …”

NHTSA complaint #10358849, filed 2010-10

“The contact owns a 2005 mercedes benz C230. The contact was driving approximately 60 MPH when the check engine warning light illuminated. The warning light remained illuminated until the engine was shut off. The vehicle was taken to an authorized dealer for diagnosis. The technician informed the contact that the camshaft solenoid had leaked oil into the engine wiring harness and control module. The vehicle was in the process of being repaired. On a separate occasion, the srs warning light was illuminated. …”

NHTSA complaint #10369462, filed 2010-12, 47,668 miles

Related service bulletins

Engine cooling: other model years

YearComplaintsShare of year
200773%
20062320%
2005911%
2004619%
20031937%
20021630%
200013%
199927%
199825%

Other parts of the 2005 Mercedes-Benz C230

Air bags
50 complaints
Electrical system
12 complaints
Transmission and drivetrain
8 complaints
Engine
6 complaints
Fuel system
4 complaints
Body and structure
4 complaints
Brakes
3 complaints
Exterior lighting
3 complaints
Other or unknown
3 complaints
Seats
3 complaints
Tires
3 complaints
Visibility (wipers, defrost, mirrors)
3 complaints

← All problems reported for the 2005 Mercedes-Benz C230

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