10.0

really awful
Crashes / Fires:
0 / 0
Injuries / Deaths:
1 / 0
Average Mileage:
90,400 miles

About These NHTSA Complaints:

The NHTSA is the US gov't agency tasked with vehicle safety. Complaints can be spread across multiple & redundant categories, & are not organized by problem. See the Back button — blue bar at the very top of the page — to explore more.

Get notified about new defects, investigations, recalls & lawsuits for the 2012 Mercedes-Benz C300:

Unsubscribe any time. We don't sell/share your email.

problem #4

Sep 302022

C300

  • 125,000 miles
The contact owns a 2012 Mercedes-Benz C300. The contact stated that while having an oil change performed on the vehicle by an independent mechanic, he was informed that the cross member was severely corroded. The contact was informed by the mechanic that the vehicle was unsafe to drive. Neither the dealer nor the manufacturer had been notified of the failure. The vehicle was not repaired. The failure mileage was approximately 125,000.

- East Providence, RI, USA

problem #3

Jul 112022

C300

  • 115,000 miles
The contact owns a 2012 Mercedes-Benz C300. The contact stated that while her granddaughter was driving the vehicle, there was a rattling sound coming from underneath the vehicle. The vehicle was later inspected by an independent mechanic who diagnosed that the rear passenger-€™s side wheel well had sustained severe rust and corrosion and informed the contact that the vehicle was unsafe to be driven. The vehicle was not yet repaired. The manufacturer and local dealer were not notified of the failure. The VIN was not available. The failure mileage was 115,000.

- Jumping Branch, WV, USA

problem #2

May 202022

C300

  • 121,218 miles
The contact owns a 2012 Mercedes-Benz C300. The contact stated while driving approximately 2 MPH over a speed bump, there was a loud cranking sound coming from the vehicle. There were no warning lights illuminated. The vehicle was taken to the local dealer and diagnosed with failure to the rear subframe due to severe rust. The vehicle was repaired. The manufacturer was not notified of the failure. The approximate failure mileage was 121,218.

- Louisville, KY, USA

problem #1

Jul 182012

C300 6-cyl

  • 384 miles
The contact owns a 2012 Mercedes Benz C300. The contact stated that while driving 35 mph, the rear passenger side window exhibited a loud, abnormal noise when opened. As a result, the contact experienced a temporary loss of hearing from the high pitch of the noise. The vehicle was taken to the dealer who stated that the loud noise was common for the vehicle. The vehicle was not repaired. The failure mileage was 384. Updated 8/21/12

- Detroit, MI, USA