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Mercedes-AMG wiring may short out and cause fire

NHTSA campaign 22V533000 · Reported 2022-07-22 · Mercedes-Benz USA, LLC

critical How serious is it? About this label

This one is serious because an electrical short can cause a fire; the notice does not tell owners to park the car, but have it repaired as soon as you can.

What's wrong, in plain English

On these Mercedes-AMG cars, the bundle of wires running to the transmission may have been routed along the wrong path. Sitting where it was not meant to sit, the electrical plug can corrode over time, and corroded wiring can short out. An electrical short can start a fire. A dealer will inspect the connector and repair it if needed, move the wiring back to the correct position, and add a bracket to hold it there, all at no cost.

What you should do

1. Enter your VIN at nhtsa.gov/recalls to confirm your car is affected. 2. Call your Mercedes-Benz dealer, or MBUSA customer service at 1-800-367-6372 (recall 2022080010), and ask for the earliest appointment. 3. Have the wiring inspected and rerouted — the repair is free.

Affected vehicles (2)

Who to contact

Mercedes-Benz — official Mercedes-Benz recall lookup

Customer service: 1-800-367-6372

Any franchised dealer for the brand can do the repair. Phone numbers are taken from manufacturer sites and recent NHTSA notices; if one has changed, the number in your own recall letter is the one to use.

The bigger picture

Official notice

Component
ELECTRICAL SYSTEM:WIRING
Summary
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021-2022 AMG GT43, 2019-2022 AMG E53, E53 Coupe, E53 Cabriolet, AMG GT53, and 2019-2021 AMG CLS53 vehicles. The transmission wiring harness may be misrouted, which can expose the electrical connector to corrosion, and result in an electrical short-circuit.
Safety risk
An electrical short-circuit can increase the risk of a fire.
Remedy
Dealers will inspect and repair the electrical connector, as necessary. Dealers will also reroute the harness and install an additional bracket. All repairs will be performed free of charge. Owner notification letters were mailed October 14, 2022. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2022080010.

Verify your specific vehicle by VIN at nhtsa.gov. Recall repairs are free of charge by law.