2006 Mercedes-Benz C230 Engine cooling Problems
- Complaints
- 23about this part
- Share
- 20%of 116 total for the year
- Median mileage
- 58,352miles
- Trend
- StableComplaints filed in the last 3 full calendar years are within 25% of the 3 years before.
NHTSA recorded 23 complaints about the engine cooling of the 2006 Mercedes-Benz C230, 20% of the 116 complaints for this model year. Where a mileage was given, the median is 58,352 miles. 1 of these say a crash was involved, according to the filers.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The engine light went on in my 2006 C230 mercedes (current mileage 57,000) since sept 2010. I later confirmed it's the problem in the balance shaft, which directly impact on the acceleration and failure of the engine. The engine sudden stopped running few times in my commute to work in a freeway. Luckily, it was during the rush hour and the traffic was moving slowly. Many times when I entered to the freeway in a merge lane, the acceleration didn't work at all and I almost got hit by the other cars in the merge lane. …”
NHTSA complaint #10378052, filed 2011-01, 54,000 miles“After having the check engine light come on, we took the car to the dealership we purchased it from to perform a diagnostic after receiving codes p0170 and p0173 (mb codes 2092/2096) which mb classifies as mixture in right / left cylinder bank is too rich when idling and were told we would need to replace the intake manifold for $2110. The explanation we received (verbal only as they refused to describe the problem in writing after asking multiple times) was that a bushing that controls the air flow valves was worn. …”
NHTSA complaint #10440915, filed 2011-12, 64,884 miles“I was driving my vehicle on the highway during morning rush hour when I noticed that the car would not accelerate over 35 MPH. I moved the car off the highway and stopped at a red light. Once I stopped the car it would not accelerate at all when I stepped on the gas. I had to put the car in park and then move it back to drive to get the car to move. The car would jump and lurch forward when I shifted gears. I drove the car directly to the dealer. The mercedes dealer told me that there was a problem with the software and that the software would need to be updated. …”
NHTSA complaint #10429596, filed 2011-10, 33,800 miles“I was involved in an auto accident (rear-ended) on dec 21st 2010. The collision resulted in my vehicle being pushed in to another vehicle (truck) in font of me. The resulting crash produced damages to the front and rear of the car totaling 15k. I noticed that my dashboard was lit up with warning signals and check engine light at the seen of the collision. The rear light was explainable as the light was knocked out in the crash. The engine light however was a bit of a mystery. I took the car in for repairs three days later after consulting with the driver at faults' insurance company. …”
NHTSA complaint #10416667, filed 2011-08, 47,000 miles“At the end of jan 2011, my engine light came on in my 2006 C230 mercedes ' benz. I took my vehicle into the dealership to get a diagnostic inspection on feb 1, 2011. The inspection determined the vehicle needed a balance shaft. My vehicle only has 58,705 miles on it and warranty expired on it at 50,000 miles. If driven longer with the engine light on, the vehicle would of malfunction. This safety issue may of cause the vehicle to misfire and stop driving. Mercedes ' benz USA has received several complaints pertaining to this issue for the past few years and nothing is being done about it. …”
NHTSA complaint #10383514, filed 2011-02, 58,705 milesRelated service bulletins
- 10167489Mar 19, 2014Noise: A rattling noise may be heard from the area of the chain drive for approx. 2-5 seconds after engine start. And/or: Fault code entries in engine control unit: SIM271DE20…
- 10028026Aug 1, 2008Mercedes: replace v belt upper guide pulley. The v belt upper guide pulley optimized for noise reduction is available. The dealer will replace upper guide pulley at the next…
- 10022893Apr 24, 2008Check engine light on / fault codes fc1200 / fc1208 stored in me-sfi control unit. Mercedes-benz model c230, c280, c350, slk280, slk350, clk350, clk550, e350, e550, cls550, s600…
Engine cooling: other model years
Other parts of the 2006 Mercedes-Benz C230
30 complaintsTransmission and drivetrain
28 complaintsAir bags
26 complaintsOther or unknown
7 complaintsVehicle speed control
7 complaintsElectrical system
6 complaintsSteering
6 complaintsSeat belts
5 complaintsBrakes
3 complaintsFuel system
3 complaintsExterior lighting
2 complaintsBody and structure
2 complaints
← All problems reported for the 2006 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