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Mercedes-Benz GLC 300 4MATIC Recall 26V172: Rear Center Seat Belt May Not Secure Child Seats

NHTSA campaign 26V172, reported March 20, 2026, 20 vehicles potentially affected.

What this recall means for you

Certain 2026 Mercedes-Benz GLC models may have center rear seat belts installed without the child seat protection function, so the belt may fail to lock a child restraint properly. The vehicles also do not meet federal seat belt and occupant crash protection requirements.

If a crash occurs, a child in a restraint that is not held securely faces an increased risk of injury. Owners of affected vehicles should take this seriously, especially if a child rides in the center rear seat.

Dealers will inspect the center rear seat belt assembly and replace it if necessary, free of charge. Owners who received a notification letter mailed May 15, 2026 can contact Mercedes-Benz USA customer service at 1-800-367-6372. You can also check your vehicle identification number (VIN) for open recalls on NHTSA.gov, where VINs for this recall will be searchable beginning March 27, 2026.

Check whether this recall is open on your vehicle

The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 26V172Mercedes-Benz USA, LLC
Component
SEAT BELTS:REAR/OTHER
Problem
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2026 AMG GLC43 4MATIC, GLC 300 4MATIC, GLC 300, and GLC 300 4MATIC Coupe vehicles. The center rear seat belts may have been installed without the child seat protection function and fail to lock a child restraint properly. 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
In the event of a crash, an insufficiently restrained child has an increased risk of injury.
Remedy
Dealers will inspect and replace the center rear seat belt assembly as necessary, free of charge. Owner notification letters were mailed May 15, 2026. Owners may contact MBUSA customer service at 1-800-367-6372. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning March 27, 2026.

Affected vehicles

Mercedes-Benz AMG GLC43 4MATIC2026
Mercedes-Benz GLC 3002026
Mercedes-Benz GLC 300 4MATIC2026
Mercedes-Benz GLC 300 4MATIC Coupe2026