Mercedes-Benz C 300, AMG C43: Electrical system — 12v/24v/48v battery

Affects Mercedes-Benz C 300, AMG C43 · 2018–2019 — about 27K vehicles.

The hazard

Loss of power from the battery can impair post-crash functions, such as communicating with emergency services and activating hazard lights. The battery may also detach and become a road hazard. Either of these scenarios can increase the risk of injury.

What to do

MBUSA will notify owners, and dealers will replace the battery mounting bracket, free of charge. The recall began October 18, 2019. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2019090010.

Critical — crash/injury risk now High — injury risk; see remedy Moderate — fix at next service Low — minor / informational