Mercedes-Benz C300

Rear sub frame has rusted through and according to repair shop cannot be safely driven until repaired. Mercedes has granted extended warranty for sub frame rust through for the C300 up to model year 2015 so this is a known problem. My car is a 2016 and Mercedes will not offer the extended warranty.

All of the lights in my rear driver side taillight stopped working. I had it looked at and there was oxidation at the ground connection which caused overheating and melted the plastic, leaving burn marks on the gray plastic piece. I see a safety bulletin for this exact issue for model years 2008-2011, but not my 2013. This is dangerous.

The contact owns a 2016 Mercedes-Benz C 300. The contact stated that while performing maintenance on the vehicle with the dealer, it was discovered that the rear subframe was severely rusted and perforated. The contact associated the failure with Technical Service Bulletin: MC-10232321-0001; extended warranty, but vehicle was not included. The manufacturer was contacted by phone and made aware of the failure. The failure mileage was approximately 84,616.

Failed state safety inspection due to a severely corroded and rotted rear subframe, creating an immediate driving hazard.

E brake mechanisms

The contact owns a 2015 Mercedes-Benz C300. The contact stated that while driving at an undisclosed speed, there was an abnormal sound coming from the vehicle and the vehicle became difficult to maneuver. The failure had occurred on several occasions. The vehicle was taken to an independent mechanic where it was diagnosed that there was two large holes and rust located on the rear subframe, an unknown part needed to be realigned and needed to be replaced. The vehicle was towed to a dealer where…

The factory infotainment system (Mercedes NTG 5.5 head unit) displays Android Auto incorrectly. Instead of using the full width of the center display, Android Auto is cropped into a reduced window on the right side of the screen. The remaining roughly one-third of the screen shows a static logo with no function. Apple CarPlay on the same head unit and screen displays correctly at full width. This indicates a software or integration defect specific to Android Auto, not a hardware or display…

The M264 2.0L engine suffered a catastrophic internal failure. While making a left turn at an intersection, the vehicle suddenly shut off and stalled, leaving the car stranded in active traffic and creating an immediate safety risk. Prior to the shutdown, the check engine light came on accompanied by severe shaking and misfires. The vehicle was inspected by an authorized dealership service center, which confirmed complete engine failure. Mercedes-Benz issued a 15-year/150,000-mile extended…

Front roof panel came detached at hwy speed

The vehicle experienced a severe safety issue involving a sudden loss of motive power in active traffic. 1. Initial Symptoms & Diagnosis: Recently, the Check Engine Light illuminated. Although the light turned off before my scheduled appointment, I still brought the vehicle to an authorized Mercedes-Benz dealership for a safety inspection. 2. Dealer Confirmation: The dealership inspected the vehicle and diagnosed an internal electrical fault with the engine oil control valve and harness. They…