- Component
- ELECTRICAL SYSTEM:WIRING
- Problem
- Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021-2023 CLS450, E450, E450 All-Terrain, AMG E53, AMG GT43, AMG GT53, and 2021 AMG CLS53 vehicles. The 48-volt ground cable connection located in the engine compartment may not be tightened properly and may result in the ground cable overheating.
- Risk
- An overheated ground cable increases the risk of a fire.
- Remedy
- Dealers will inspect the 48-volt ground cable connection and repair it as necessary, free of charge. Owner notification letters were mailed March 22, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2024MMNNNN.
- 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.
What this recall means for you
A 48-volt ground cable connection in the engine compartment may not have been tightened properly at the factory. Over time, this loose connection can cause the ground cable to overheat.
An overheated ground cable increases the risk of a fire. Owners should not ignore this recall, since the problem can develop without obvious warning signs.
The repair is free. Dealers will inspect the 48-volt ground cable connection and repair it as necessary at no charge. Owner notification letters were mailed March 22, 2024. You can also check your VIN for open recalls and contact Mercedes-Benz USA customer service at 1-800-367-6372.
Check whether this recall is open on your vehicle
Official recall notice
Affected vehicles
| Mercedes-Benz AMG CLS53 | 2021 |
|---|---|
| Mercedes-Benz AMG E53 | 202120222023 |
| Mercedes-Benz AMG GT43 | 202120222023 |
| Mercedes-Benz AMG GT53 | 202120222023 |
| Mercedes-Benz CLS 450 | 202120222023 |
| Mercedes-Benz E 450 | 202120222023 |