RecallPulseUpdated Oct 9, 2026

2022 Mercedes-Benz C 300: Electrical System recall

NHTSA campaign 22V678000 · 6,752 units potentially affected · filed Sep 12, 2022

What's wrong

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2022 C300 vehicles. Moisture accumulation in the trunk may leak into the signal acquisition module (SAM), causing an electrical short circuit.

Why it matters

An electrical short circuit in the SAM could lead to various malfunctions, such as rear exterior lighting failure, unintentional rear seat folding, and rearview camera failure, increasing the risk of a crash or injury. In addition, an electrical short circuit might increase the risk of a fire.

The fix

Dealers will install a cover for the SAM, free of charge. Owner notification letters were mailed December 2, 2022. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2022090011.

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.nhtsa.gov.

Recall details

NHTSA campaign
22V678000
Manufacturer no.
2022090011
Manufacturer
Mercedes-Benz Usa, Llc
Component
ELECTRICAL SYSTEM:WIRING: REAR COMPARTMENT/TRUNK
Units affected
6,752
Report received
Sep 12, 2022
Owner letters
Dec 2, 2022
Type
Vehicle

Check whether your vehicle is included with the official NHTSA VIN lookup or your dealer. Repairs for safety recalls are free.

Vehicles covered