Electrical system: wiringRecall 24V-100 · Mercedes-Benz vehicles
Mercedes-Benz USA, LLC recall 24V-100 covers 12,191 Mercedes-Benz vehicles for a electrical system: wiring problem, reported to NHTSA on February 9, 2024. The manufacturer's latest report (2025 Q4) shows 95% of affected vehicles repaired.
Source: NHTSA recall 24V100000 and manufacturer quarterly reports. Started by the manufacturer.
The 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.
The risk
An overheated ground cable increases the risk of a fire.
The fix
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.
Recall repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.
How fast cars are being fixed
95%repaired
Share of affected vehicles repaired in each quarterly report the manufacturer filed with NHTSA.