Mercedes-Benz 2021 AMG CLS53 Electrical System Recall: Fire Risk
Mercedes-Benz is recalling certain 2021 AMG CLS53 vehicles due to a potential fire risk from an overheated ground cable. Affected vehicles may need a free repair at a dealer.
Use caution until it’s fixed
An overheated ground cable increases the risk of a fire.
Contact the company
What happened, in plain English
Mercedes-Benz is recalling 2021 AMG CLS53 vehicles because a loose ground cable could overheat and cause a fire. This is a safety issue that requires fixing at a dealer. Read more at govinfonow.com/recall/80594-mercedes-benz-2021-amg-cls53-electrical-system-recall-fire-risk.
Source Summary by GovInfoNow · govinfonow.com/recall/80594-mercedes-benz-2021-amg-cls53-electrical-system-recall-fire-risk · Updated October 4, 2026 · Official notice: NHTSA #24V100000
Cite this page
“Mercedes-Benz 2021 AMG CLS53 Electrical System Recall: Fire Risk.” GovInfoNow, updated October 4, 2026. https://govinfonow.com/recall/80594-mercedes-benz-2021-amg-cls53-electrical-system-recall-fire-risk. Based on NHTSA recall #24V100000 (https://www.nhtsa.gov/recalls?nhtsaId=24V100000).
Why it’s dangerous
The 48-volt ground cable connection in the engine compartment may not be tightened properly. This can cause the cable to overheat, increasing the risk of fire.
Who’s affected
Owners of 2021 Mercedes-Benz AMG CLS53 vehicles are affected. Drivers with the specific model and year are most at risk due to the electrical system issue.
How to tell if you have this one
Check if your vehicle is a 2021 AMG CLS53 model. The recall covers specific Mercedes-Benz models from 2021-2023.
- Brand
Mercedes-Benz- Category
Vehicle
What to do — step by step
Contact Dealer for Repair
Dealers will inspect and repair the 48-volt ground cable connection at no cost.
Check Notification Letter
Owner notification letters were mailed March 22, 2024, so you should have received one.
What NHTSA says to do
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.
How this recall unfolded
Recall timeline
2 dated steps over 5 months.
- Owner letters mailed
- NHTSA received the defect report
Dates from the agency record only; steps without a date are left out.
Contact Mercedes-Benz
We’ve drafted a message you can send Mercedes-Benz to request your refund or repair — edit it as you like.
Subject: Recall 24V100000 — Mercedes-Benz 2021 AMG CLS53 Electrical System Recall: Fire Risk Hello, I own a Mercedes-Benz 2021 AMG CLS53 Electrical System Recall: Fire Risk that is covered by recall 24V100000 from Mercedes-Benz. The official recall notice states: 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. I’m writing to arrange the remedy described in the recall (a refund, repair, or replacement as applicable). Could you please tell me the next steps to resolve this? Thank you.
Keep exploring
Where this comes from
The facts (hazard, remedy, dates, manufacturer) are pulled from the official NHTSA recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.
- Official source: NHTSA Recall #24V100000 (September 2, 2024)
- Plain-language summary written by qwen3:4b on October 4, 2026, from the official record above. Not reviewed by a person — if it conflicts with the NHTSA notice, the notice is correct. Report an error on this page.
- GovInfoNow is an independent service and is not a government agency. We republish official NHTSA recall data; we don’t issue, amend or administer recalls.