Safety Score
70
Average
Recalls
0
Complaints
50
NCAP Stars
—
Recalls (0)
No recalls found for the 2012 Mercedes-Benz C300.
Owner Complaints (showing up to 50)
| Date | Component | Crash | Injuries | Summary |
|---|---|---|---|---|
| 2025-11-20 | STRUCTURE:BODY | No | 0 | Mercedes of Danbury replaced the rear sub frame CODE 3441 47, since my mechanic (Newtown Auto Repair) told me that the … |
| 2025-07-28 | FUEL SYSTEM, GASOLINE | No | 0 | The contact owns a 2012 Mercedes-Benz C300. The contact stated the fuel tank was emitting a fuel odor. The contact stat… |
| 2025-07-27 | STRUCTURE:BODY | No | 0 | Rear subframe rotted out and broke due to corrosion. Rear crossmember is broken and needs replaced. My safety as well … |
| 2025-07-16 | SUSPENSION | No | 0 | Rear subframe crossmember rotting, needs replacement. It seems to be a common problem with this vehicle and the assumpt… |
| 2025-07-11 | AIR BAGS | No | 0 | I was driving normally last week when the driver's head restraint system (known by Mercedes as Neck Pro) unexpectedly a… |
| 2025-05-16 | ELECTRICAL SYSTEM | No | 0 | I was replacing rear tail light bulb. Now I'm getting an error message on instrument cluster. I tried to fix the issu… |
| 2025-01-29 | SUSPENSION | No | 0 | Took the car in for an oil change and asked them to look at the brakes and rear as there was a strange noise. Vehicle … |
| 2024-08-27 | SUSPENSION | No | 0 | The subframe has developed extensive rust and corrosion, which I believe is a result of faulty manufacturing. This corr… |
| 2024-07-25 | SERVICE BRAKES | No | 0 | Brake line corrosion |
| 2024-07-03 | STEERING | No | 0 | My 2012 c300 has a rotted rear subframe making the car not able to be driven. It has major ,life threatening, costly da… |
| 2024-07-03 | STRUCTURE:BODY | No | 0 | We are having issues when braking. The backend of the car wiggles when braking hard. Shop advised that the subframe o… |
| 2024-06-03 | EXTERIOR LIGHTING | No | 0 | The contact owns a 2012 Mercedes-Benz C300. The contact stated that while the vehicle was parked, the passenger’s side … |
| 2024-05-28 | SERVICE BRAKES | No | 0 | Took my car for a doorknob repair and was told the whole subframe is rotted. They told me not to drive the car on the h… |
| 2024-05-10 | ELECTRICAL SYSTEM | No | 0 | The contact owns a 2012 Mercedes-Benz C300. The contact stated that after opening the sunroof and then attempting to cl… |
| 2024-05-07 | SERVICE BRAKES | No | 0 | This is a low mileage car with odometer reading of 25668 (less than 2000 miles per year), used sparingly and always par… |
| 2024-05-07 | SUSPENSION | No | 0 | The contact owns a 2012 Mercedes-Benz C300. The contact stated while driving at an undisclosed speed, he heard an abnor… |
| 2024-04-29 | ELECTRICAL SYSTEM | No | 0 | Vehicle will not start, possible ESL/EIS failure. |
| 2024-04-04 | SUSPENSION | No | 0 | Subframe rusted and broke. It is available for inspection. Burlington Mercedes inspected the vehicle and told me it was… |
| 2024-02-19 | UNKNOWN OR OTHER | No | 0 | Took my 2012 Mercedes c300 to my mechanic and the Rear Sub frame is rusting out. |
| 2024-02-15 | STRUCTURE:BODY | No | 0 | car has a rear subframe damage from corrosion |
| 2024-02-07 | SUSPENSION | No | 0 | vehicle sub-frame is cracked rusted corroded. |
| 2024-02-01 | SUSPENSION | No | 0 | The contact owns a 2012 Mercedes Benz C300. The contact stated that while driving at various speeds, the vehicle would … |
| 2024-02-01 | SUSPENSION | No | 0 | the rear subframe broke while in motion and caused the car to drift and bounce while i was cornering the traction contr… |
| 2023-11-30 | SUSPENSION | No | 0 | While I was driving my 2012 MB C300 4Matic Sport Sedan in Nov', 2023 with history of regular maintenance, noticed a pre… |
| 2023-11-11 | SUSPENSION | No | 0 | a rusted rear subframe is more prone to crack when a driver hits a pothole or wants to brake quickly, which can lead to… |
| 2023-10-16 | UNKNOWN OR OTHER | No | 0 | My rear subframe has corroded and has snapped, which is a major safety issue as while driving when I come to a stop the… |
| 2023-10-05 | UNKNOWN OR OTHER | No | 0 | I started hearing noises about a week ago while driving. Last night while driving home in the evening traffic, I braked… |
| 2023-09-13 | WHEELS | No | 0 | Rear driver side wheel was making a clicking noise leading us to believe there was an issue with the strut and/or shock… |
| 2023-09-10 | EXTERIOR LIGHTING | No | 0 | The contact owns a 2012 Mercedes-Benz C300. The contact stated while driving 35 MPH, he smelled a rubber burning odor. … |
| 2023-08-28 | STRUCTURE:BODY | No | 0 | Rear subframe is corroded, rusted through, and cracking. |
| 2023-08-21 | STRUCTURE:BODY:DOOR:HANDLE:INTERIOR | No | 0 | The contact owns a 2012 Mercedes-Benz C300. The contact stated that the front driver's side interior door handle was fr… |
| 2023-07-12 | UNKNOWN OR OTHER | No | 0 | I was driving on the highway and came to a sudden stop and the car fishtailed putting our safety and the safety of othe… |
| 2023-06-21 | STRUCTURE:BODY | No | 0 | The contact owns a 2012 Mercedes-Benz C300. The contact stated that the vehicle was making a loud bang sound towards th… |
| 2023-06-19 | STRUCTURE:BODY | No | 0 | Recently we had he brakes replaced and new tires put on to prepare for a trip out to Minnesota in a couple of weeks. My… |
| 2023-05-02 | SERVICE BRAKES, HYDRAULIC | No | 0 | The contact owns a 2012 Mercedes-Benz C300. The contact stated that while his wife was driving at an undisclosed speed,… |
| 2023-05-01 | UNKNOWN OR OTHER | No | 0 | The drivers door handle broke. In researching online, this has been an issue with Mercedes Benz since they are made of … |
| 2023-04-16 | FUEL SYSTEM, GASOLINE | No | 0 | The contact owns a 2012 Mercedes-Benz C300. The contact stated while driving at various speeds, extra brake travel time… |
| 2023-04-15 | SUSPENSION | No | 0 | The rear subframe rusted prematurely and broke off important mounts for the suspension and steering. I was driving and … |
| 2023-04-05 | SUSPENSION | No | 0 | I found out about the Mercedes Subframe failure issue after having problems on the road, that could have killed me, and… |
| 2023-04-02 | SUSPENSION | No | 0 | I was driving on the freeway and had to hard brake due to unexpected stopped traffic. When I braked the vehicle veered… |
| 2023-03-20 | SERVICE BRAKES | No | 0 | The left rear weld of the subframe on my 2012 C300 4matic has rotted through and appears to be a manufacture's part def… |
| 2023-02-09 | UNKNOWN OR OTHER | No | 0 | My vehicle has 70,000 miles. always kept garaged. Told by dealer when taken for the yearly checkup that the rear subfr… |
| 2023-02-06 | STRUCTURE:FRAME AND MEMBERS | No | 0 | The contact owns a 2012 Mercedes-Benz C300. The contact stated that while driving approximately 55 MPH and pressing the… |
| 2023-02-02 | SUSPENSION | No | 0 | A problem with the rear subframe had occurred in which it had started to rust. Due to the severity of the issue I notic… |
| 2023-01-30 | SUSPENSION | No | 0 | The left side of rear subframe has rusted out. The right side had been repaired by welding by a previous owner. The dam… |
| 2023-01-17 | UNKNOWN OR OTHER | No | 0 | It is a wide-spread issue and commonly known issue that when the car battery is replaced in Mercedes-Benz vehicles, the… |
| 2023-01-16 | STRUCTURE:BODY | No | 0 | The subframe assembly on my car is defective, as I learned today from my mechanic. This issue is known for my model of … |
| 2023-01-15 | STRUCTURE:BODY | No | 0 | Cradle and subframe are completely rusted out. This a widely common issue with these cars and am reading it across seve… |
| 2023-01-10 | SUSPENSION | No | 0 | Issue with my rear sub frame rotting out due to rust almost causing a very bad accident in a hard braking situation |
| 2023-01-06 | FUEL SYSTEM, DIESEL | No | 0 | The contact owns a 2012 Mercedes-Benz C300. The contact stated that while parked, the vehicle failed to start. The vehi… |