Home / Latest recalls / 24V446

Mercedes-Benz C 300 Recall 24V446: Loose Wire Can Overheat and Cause Fire or Power Loss

NHTSA campaign 24V446, reported June 14, 2024, 1,058 vehicles potentially affected.

What this recall means for you

Some vehicles have a wiring bolt at the pre-fuse box that may not have been tightened correctly. If it is loose, the wire can overheat, which may lead to a fire or a sudden loss of drive power, increasing the risk of a crash.

A dealer will inspect the wiring harness and rework it if needed, at no cost to you. Owner notification letters were mailed on August 2, 2024. If you have questions, you can contact Mercedes-Benz USA customer service at 1-877-496-3691.

You can also check your vehicle identification number (VIN) for open recalls to confirm whether your car is affected.

Check whether this recall is open on your vehicle

The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 24V446Mercedes-Benz USA, LLC
Component
ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS
Problem
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2022-2023 C 300 vehicles. The bolt securing the electrical wire to the pre-fuse box could be improperly tightened, causing the wire to overheat. MBUSA's number for this recall is 2024070005.
Risk
An overheated wire can cause a fire and a sudden loss of drive power, increasing the risk of a crash.
Remedy
Dealers will inspect and rework the wiring harness, as necessary free of charge. Owner notification letters were mailed August 2, 2024. Owner may contact MBUSA customer service at 1-877-496-3691.
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 C 30020222023