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Mercedes-Benz S550 4MATIC Recall 15V657: Front seat belts may be swapped, weakening crash protection

NHTSA campaign 15V657, reported October 14, 2015, 2,580 vehicles potentially affected.

What this recall means for you

Left-side and right-side front seat belts may have been installed on the wrong sides in certain vehicles. This can cause the belt's installation angle to be incorrect, which affects how the seat belt locks, and the child seat restraint function for the passenger seat would not be available.

If a seat belt is installed improperly, it may not properly restrain the occupant in a crash, which increases the risk of injury.

Dealers will inspect the front seat belt installation and correct it as necessary, at no cost to owners. Owners will be notified by mail. You can also contact Mercedes-Benz USA customer service at 1-800-367-6372, referencing recall number 2015100002, and check your vehicle identification number (VIN) for any open recalls.

Check whether this recall is open on your vehicle

The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 15V657Mercedes-Benz USA, LLC.
Component
SEAT BELTS:FRONT
Problem
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain model year 2015 S550 4Matic Coupe, AMG S63 4Matic Coupe, and AMG S65 vehicles manufactured January 27, 2014, to April 2, 2015. In the affected vehicles, left-side front seat belts may have been installed on the right-side and vice versa. As a result, the installation angle may be incorrect, affecting the seat belt locking behavior. Additionally, the child seat restraint function for the passenger seat would not be available. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 208, "Occupant Crash Protection," and FMVSS number 209, "Seat Belt Assemblies."
Risk
If the seat belt is installed improperly, it may not properly restrain the seat occupant in the event of a crash, increasing the risk of injury.
Remedy
MBUSA will notify owners, and dealers will inspect the installation of the seat belts, correcting them as necessary, free of charge. The recall began on October 30, 2015. MBUSA's recall number is 2015100002. 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 AMG S632015
Mercedes-Benz AMG S652015
Mercedes-Benz S550 4MATIC2015