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Mercedes-Benz CLA 250+ (Ev) Recall 26V278: Passenger seat belt may lock and cannot be extended

NHTSA campaign 26V278, reported May 1, 2026, 15 vehicles potentially affected.

What this recall means for you

The front passenger seat belt retractor may have been manufactured with a defect that prevents the child seat safety function (Automatic Locking Retractor) from being deactivated. As a result, the belt can stay locked and cannot be pulled out to fasten.

A passenger who cannot fasten their seat belt is not properly restrained, which increases the risk of injury in a crash. If you have a passenger in the front seat of an affected vehicle, check that the belt can be extended and fastened before driving.

Dealers will replace the front passenger seat belt free of charge. Owner notification letters were mailed July 24, 2026. You can contact Mercedes-Benz USA customer service at 1-800-367-6372, and you can check whether your VIN is involved once it becomes searchable on NHTSA.gov beginning May 8, 2026.

Check whether this recall is open on your vehicle

The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 26V278Mercedes-Benz USA, LLC
Component
SEAT BELTS:FRONT:RETRACTOR
Problem
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2026 CLA 350 4MATIC (EV) and CLA 250+ (EV) vehicles. The front passenger seat belt retractor may have been manufactured with a defect that prevents the deactivation of the child seat safety function (Automatic Locking Retractor). As a result, the seat belt may remain in a locked position and cannot be extended.
Risk
A passenger who is unable to fasten their seat belt is not properly restrained, increasing their risk of injury in a crash.
Remedy
Dealers will replace the front passenger seat belt, free of charge. Owner notification letters were mailed July 24, 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 May 8, 2026.

Affected vehicles

Mercedes-Benz CLA 250+ (Ev)2026
Mercedes-Benz CLA 350 4MATIC (Ev)2026