Spark plugs may cause engine damage
Defect Summary
Mercedes-benz usa, llc (mbusa) is recalling certain 2020 cla45 amg vehicles equipped with 4-cylinder gasoline engines. incorrect spark plugs may have been installed, which could come apart over time and cause engine damage.
Safety Consequence
Engine damage may result in an engine stall, increasing the risk of a crash.
Corrective Action
Mbusa will notify owners, and dealers will replace the spark plugs, free of charge. the recall began april 14, 2021. owners may contact mbusa customer service at 1-800-367-6372.
Similar Recalls
Other recalls from Mercedes-benz Usa, Llc or involving Electrical System.
FAQ: Recall 21V124000
Your rights, the repair process, and what each field on this page means.
What is recall 21V124000?
NHTSA recall 21V124000 was issued by Mercedes-benz Usa, Llc on February 26, 2021. It addresses: Spark plugs may cause engine damage. The recall affects approximately 7 vehicles, with the defect involving the Electrical System component.
How do I get this recall repaired?
Contact any authorized Mercedes-benz Usa, Llc dealer and reference NHTSA recall ID 21V124000 or the manufacturer campaign number NR (Not Reported). Under federal law, the repair is completely free regardless of vehicle age or owner history.
Is my vehicle included in this recall?
The only way to confirm is to look up your 17-character VIN at nhtsa.gov/recalls. NHTSA's tool will tell you if VIN-by-VIN this exact recall applies.
How long do I have to get a recall repair done?
There is no expiration on most federal safety recalls. Even if your vehicle is years old and you bought it used, the manufacturer is required to perform the repair at no cost.
Where does the data on this page come from?
All information on this page is sourced directly from the U.S. Department of Transportation public dataset for NHTSA recalls. Last refreshed: 2026-05-22. For the most current official notice, visit nhtsa.gov/recalls.