2009 Mercedes Benz C300 engine problems

Filed Jun 6, 2024 · Airbags, Engine · 99,000 miles · MS

The contact owns a 2009 Mercedes-Benz C300. The contact stated that while driving at an undisclosed speed, the "SRS System Requires Service" was displayed. The air bag and check engine warning lights were illuminated. The vehicle was taken to the dealer, who diagnosed a failure with the vapor canister shutoff valve but had not provided a diagnosis for the SRS system. The vehicle was repaired. The manufacturer was notified of the failure, and a case was opened. The failure mileage was 99,000.

Filed Sep 21, 2023 · Engine, Lights · LA

The contact owns a 2009 Mercedes-Benz C300. The contact stated while driving at an undisclosed speed, she became aware that the coolant level was low. The contact added coolant to the reservoir. The contact stated that the coolant reservoir burst open. The vehicle was towed to an independent mechanic who replaced the coolant and hose. The vehicle was taken to the local dealer but was not diagnosed or repaired. The vehicle was repaired, but the failure recurred. Additionally, the indicator lights became inoperable. The check engine warning light was illuminated. The contact stated the failure was associated with the federal safety agency Campaign Number: 22V168000 (Exterior Lighting, Electronic Stability Control, Engine and Engine Cooling). The manufacturer was contacted, but no assistance was provided. The failure mileage was unknown.

Filed Sep 14, 2023 · Driver assistance, Engine · LA

The contact owns a 2009 Mercedes-Benz C300. The contact stated that the coolant warning light was frequently illuminated due to low coolant. The vehicle was taken to an independent mechanic where the engine hose and other engine parts were replaced. Despite the repair, the coolant light returned soon after the initial repair. The contact then took the vehicle to a dealer where the failure was linked to the federal safety agency Campaign Number: 22V168000 (Exterior Lighting, Electronic Stability Control, Engine and Engine Cooling); however, the VIN was not included in the recall. The manufacturer was not notified of the failure. The vehicle was not repaired. The failure mileage was unknown.

Filed Apr 27, 2023 · Driver assistance, Engine · 119,000 miles · GA

The contact owns a 2009 Mercedes-Benz C300. The contact stated while driving approximately 65 MPH, the instrument cluster started flickering and the vehicle stalled. The contact stated that the power steering and brakes were operable. The contact pulled off the highway and shifted the vehicle into park(P). The vehicle failed to restart and was towed to the dealer. The vehicle was not yet diagnosed or repaired. The manufacturer had been informed of the failure. The contact researched online and related the failure to the federal safety agency Campaign Number: 22V168000 (Exterior Lighting, Electronic Stability Control, Engine and Engine Cooling) however, the VIN was not included. The failure mileage was approximately 119,000.

Filed Jul 11, 2022 · Driver assistance, Engine · 120,000 miles · NC

The contact owns a 2009 Mercedes-Benz C300. The contact stated that she had experienced several electrical failures with the vehicle including the power seat and power windows, the parking brake, the exterior lighting, and the air bag warning lights. The contact also stated that the vehicle would lose motive power and stall while driving at various speeds with several unknown warning lights illuminated. The dealer was notified of the failure but offered no assistance. Upon investigation, the contact linked that failure to the federal safety agency Campaign Number: 22V168000 (Exterior Lighting, Electronic Stability Control, Engine and Engine Cooling). The manufacturer was not notified of the failure. The vehicle was not repaired. The failure mileage was approximately 120,000.

Filed Dec 12, 2018 · Engine · 130,000 miles · TX

Tl* the contact owns a 2009 mercedes-benz c300. While driving at any speed, exhaust fumes were detected inside the vehicle. There was no warning indicator illuminated. The vehicle was taken to mercedes-benz of sugar land (281‑207‑1500, located at 15625 southwest fwy, sugar land, tx 77478) to be diagnosed, but the cause of the failure could not be determined. The manufacturer was not made aware of the failure. The vehicle was not repaired. The failure mileage was approximately 130,000. The VIN was unknown.

Filed Dec 3, 2017 · Electrical, Engine · 76,000 miles · GA

Ignition switch failed at 76k miles. Gear shift will not get out of park, steering wheel will not unlock and car will not start. Known to be a common issue that affects all mercedes with electronic ignition. Mercedes should be brought to court via class action for this.

Filed Apr 12, 2017 · Engine · 63,500 miles · CA

My car has 64,522 miles on it and has been diagnosed that it has bad catalytic converters.

Filed Mar 23, 2017 · Electrical, Engine · 133,000 miles · MS

Tl* the contact owns a 2009 mercedes benz c300. The contact stated that while attempting to start the engine, the key failed to turn from the off to on position and the steering wheel seized. When the failure occurred, all the warning lights illuminated on the instrument panel. The vehicle was not taken to the dealer. The vehicle was not diagnosed or repaired. The manufacturer was made aware of the failure. The failure mileage was 133,000.

Filed Feb 26, 2017 · Engine · 55,900 miles · NC

Entered my parked car on 2.9.2017. Before fully starting engine, "check-engine" indicator on dashboard came on. Took in to dealership on 2.13.2017. Was told that thermostat had cracked/failed. My vehicle only has 56,000 miles, and this is a mercedes-benz. How could such a critical part fail so soon in a vehicle of this quality? Paid $700+ to repair (bill attached).