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Mercedes Benz C300 seat belt problems

13 of the 1,248 owner complaints about the Mercedes Benz C300 describe seat belt won't latch or retract, most of them for the 2008 model year.

owner complaints
13
worst model year
2008
typical mileage
70,000
Is there a fix? No recall or service bulletin covers this area of the car yet.

By model year

Often reported together

Airbag light 10No deployment 1

What owners say

Filed Sep 13, 2018 · Airbags, Electrical · 81,500 miles · NJ

Takata recall, and SRS module. Mercedes benz paramus will not fix recall unless I pay 400 dollars for a malfunction on the driver side seatbelt buckle, which works fine and locks in place. For previous recall at mercedes benz in englewood nj, they service shop always upcharges and if I refuse to pay they will not do recall. The englewood one tried to charge me 700 dollars for a o2 sensor that needed to be replaced before they can fix recall and I had refused. This was two years ago. Now on 9/12/18 at 3:00pm I dropped my car off for the recall, then they stated that they will do it, then magically my steering wheel column locked and charged me 1100 dollars to fix it without fixing me recall because they stated that the seatbelt buckle was faulty and they need to fix that and charge me 400 dollars before they can fix recall. My phone number is [xxx] I am [xxx] and I reside at [xxx], the shop giving me problems is located in mercedes benz in paramus nj. Information redacted pursuant to the freedom of information act (foia), 5 u.s.c. 552(b)(6).

Filed Jun 24, 2016 · Seat belts · 60,000 miles · MI

Tl* the contact owns a 2009 mercedes-benz c300. While driving approximately 25 MPH with the seat belt latched, the seat belt warning light illuminated. The vehicle was not diagnosed nor repaired. The manufacturer was not notified of the failure. The failure mileage was 60,000.

Filed May 15, 2016 · Seat belts · 66,750 miles · NY

After recall # 2015110002-the federal safety agency#15v711 was done my SRS lamp came on and now mb wants $663.79 to replace my drivers side seat belt buckle.could this recall cause this to happen.

Filed May 9, 2016 · Seat belts · 50,000 miles · NE

Seatbelt buckle of the driver seat triggers the sensor that displays SRS malfunction. The dealer said that airbag will not deploy when this sensor is triggered.

Filed Mar 29, 2016 · Airbags · 100,000 miles · NC

Tl* the contact owns a 2008 mercedes benz c300. The contact stated that the SRS warning light illuminated. The vehicle was repaired under the federal safety agency campaign number: 15v7110000 (air bags). The contact stated that after the recall was completed on the vehicle, the SRS warning light illuminated constantly. The vehicle was taken to a dealer where it was diagnosed that the seat belt pretensioners failed and needed to be replaced. The vehicle was repaired. The manufacturer was notified of the failure. The failure mileage was approximately 100,000.

Filed Mar 8, 2016 · Seat belts · 117,512 miles · MD

Rear passenger seat belt restraint buckle will no longer make contact with metal seat belt latch. Does not insert completely and does not click. Mechanism appears to suddenly not allow for connection to lock and secure safety belt for a passenger to be secured. Not safe and secure for use at this time. Resistance has appeared with other rear seat belts as well. There is no blockage or disruption other than the mechanism within the seat belt buckle itself that does not click or stay in place when attached with the metal seat belt latch. Vehicle was in motion when seat latch became unattached as my child was secured in a safety seat and it was notices that the latch became unfastened involuntarily

Filed Feb 26, 2016 · Airbags, Seat belts · 70,000 miles · VA

Tl* the contact owns a 2008 mercedes-benz c300. While driving at low speeds, the passenger side air bag warning light illuminated. In addition, the front driver side seat belt retracted while there was a passenger in the seat. The failures recurred on numerous occasions. The vehicle was not diagnosed nor repaired. The VIN was included in the federal safety agency campaign number: 15v711000 (air bags); however, the part needed to repair the vehicle was unavailable. The contact stated that the manufacturer exceeded a reasonable amount of time for the recall repair. The manufacturer was not notified of the issue. The failure mileage was 70,000. Vin tool confirms parts not available.

Filed Jan 26, 2016 · Airbags, Seat belts · 156,000 miles · MA

Tl* takata recall. The contact owns a 2008 mercedes-benz c300. While driving at any speed, the SRS light turned off and on. After two months, the light remained illuminated. The contact called the manufacturer and was referred to a local dealer where it was diagnosed that the driver side seat belt buckle was faulty and needed to be replaced. The dealer warned the contact that the replacement of the seat belt buckle may not stop the SRS light from illuminating. The failure was remedied. The contact received notification of the federal safety agency campaign number: 15v711000 (air bags); however, the part to do the recall was unavailable. The failure mileage was 156,000.

Filed Sep 2, 2015 · Airbags · 75,000 miles · TX

Srs malfunction left side (driver's side) warning. I found the warning goes away temporarily when I move the wire going into the seat belt buckle around. From some research, I've found that defective belt buckles are a known issue on this car and failure is common with age.

Filed Jul 11, 2015 · Seat belts · 70,000 miles · SC

Srs malfunction drivers side warning came on. Only comes on when my husband drives, never has with me and I am the primary driver daily. Dealership wants to replace the seat belt buckle which is $500 - $1000. Why does it only do this when my husband drives? They cannot tell me that. And we can go from 1 MPH up to anything. Help!

Related recalls

No recalls on record for this model year.

Questions about the Mercedes Benz C300 seat belt

Which Mercedes Benz C300 years have seat belt won't latch or retract problems?

The model years with the most reports are 2008 (9 complaints) and 2009 (4 complaints).

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