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Mercedes-Benz C 300 Recall 15V711: Airbag control unit may fail, causing unexpected or no airbag deployment

NHTSA campaign 15V711, reported October 27, 2015, 127,504 vehicles potentially affected.

What this recall means for you

A manufacturing error can cause the airbag control unit to corrode and malfunction. A failed unit may cause the front airbags to deploy unexpectedly, which raises the risk of injury and of a crash, or it may fail to deploy the airbags in a crash that calls for them, which raises the risk of occupant injury.

Dealers will inspect the airbag control unit and replace it if necessary, at no cost to you. Mercedes-Benz issued an interim notice to owners on December 23, 2015, and the recall began on March 14, 2016.

If you own one of these vehicles, contact Mercedes-Benz USA customer service at 1-800-367-6372 or visit an authorized dealer. Check your VIN for open recalls to confirm whether your vehicle is affected.

Check whether this recall is open on your vehicle

The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 15V711Mercedes-Benz USA, LLC.
Component
AIR BAGS:FRONTAL:SENSOR/CONTROL MODULE-INACTIVE
Problem
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain model year 2008-2009 C300 Sedan, C300 4Matic, C63 AMG, and C350 vehicles, and 2010 GLK350 and GLK350 4Matic vehicles. Due to a manufacturing error, the air bag control unit may corrode and cause the control unit to malfunction.
Risk
The malfunctioning air bag control unit may cause the air bags to unexpectedly deploy increasing the risk of injury and the possibility of a vehicle crash. Alternatively, the air bag control unit malfunction may cause the air bags to not deploy in the event of a crash necessitating air bag deployment, increasing the risk of occupant injury.
Remedy
MBUSA will notify owners, and dealers will inspect the air bag control unit and replace it, as necessary, free of charge. Mercedes-Benz issued an interim notification to owners on December 23, 2015. The recall began on March 14, 2016. Owners may contact MBUSA customer service at 1-800-367-6372.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.

Affected vehicles

Mercedes-Benz C 30020082009
Mercedes-Benz C 35020082009
Mercedes-Benz C6320082009
Mercedes-Benz GLK3502010