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Mercedes-Benz GLS 450 Recall 22V231: Loose Ground Bolt Can Overheat Wiring, Causing Fire Risk

NHTSA campaign 22V231, reported April 8, 2022, 21,306 vehicles potentially affected.

What this recall means for you

A ground cable bolt for the 48V ground connection under the front passenger seat may not be secured properly. If it is loose, the electrical cable can overheat.

An overheated electrical cable can increase the risk of a fire in the vehicle. Owners should not ignore this recall, even though the problem is a loose connection rather than a failed part.

The remedy is free at an authorized Mercedes-Benz dealer, which will inspect and tighten the ground cable bolt as necessary. Owner notification letters were mailed July 8, 2022. You can contact Mercedes-Benz USA customer service at 1-800-367-6372, and you should check your VIN for open recalls.

Check whether this recall is open on your vehicle

The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 22V231Mercedes-Benz USA, LLC
Component
ELECTRICAL SYSTEM:WIRING:INTERIOR/UNDER DASH
Problem
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020-2022 GLE450, GLS450, 2021-2022 AMG GLE53, 2020-2021 GLE580, GLS580, 2021 AMG GLE63, Maybach GLS600 and AMG GLS63 vehicles. A ground cable bolt for the 48V ground connection under the front passenger seat may not be secured properly, which can cause the electrical cable to overheat.
Risk
An overheated electrical cable can increase the risk of a fire.
Remedy
Dealers will inspect and tighten the ground cable bolt, as necessary, free of charge. Owner notification letters were mailed July 8, 2022. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2022040017.
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.nhtsa.gov.

Affected vehicles

Mercedes-Benz AMG GLE5320212022
Mercedes-Benz AMG GLE632021
Mercedes-Benz AMG GLS632021
Mercedes-Benz GLE 450202020212022
Mercedes-Benz GLE 58020202021
Mercedes-Benz GLS 45020202021
Mercedes-Benz GLS 450 4MATIC2022
Mercedes-Benz GLS 580 4MATIC2020
Mercedes-Benz GLS5802021
Mercedes-Benz Maybach GLS6002021