Front passenger seat belt may not fasten
Defect Summary
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.
Safety Consequence
A passenger who is unable to fasten their seat belt is not properly restrained, increasing their risk of injury in a crash.
Corrective Action
Dealers will replace the front passenger seat belt, free of charge. Owner notification letters are expected to be mailed june 30, 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.
Similar Recalls
Other recalls from Mercedes-benz Usa, Llc or involving Seat Belts.
FAQ: Recall 26V278000
Your rights, the repair process, and what each field on this page means.
What is recall 26V278000?
NHTSA recall 26V278000 was issued by Mercedes-benz Usa, Llc on May 1, 2026. It addresses: Front passenger seat belt may not fasten. The recall affects approximately 15 vehicles, with the defect involving the Seat Belts component.
How do I get this recall repaired?
Contact any authorized Mercedes-benz Usa, Llc dealer and reference NHTSA recall ID 26V278000 or the manufacturer campaign number shown above. Under federal law, the repair is completely free regardless of vehicle age or owner history.
Is my vehicle included in this recall?
The only way to confirm is to look up your 17-character VIN at nhtsa.gov/recalls. NHTSA's tool will tell you if VIN-by-VIN this exact recall applies.
How long do I have to get a recall repair done?
There is no expiration on most federal safety recalls. Even if your vehicle is years old and you bought it used, the manufacturer is required to perform the repair at no cost.
Where does the data on this page come from?
All information on this page is sourced directly from the U.S. Department of Transportation public dataset for NHTSA recalls. Last refreshed: 2026-05-20. For the most current official notice, visit nhtsa.gov/recalls.