Vehicle recall 21V124000 · February 26, 2021
2020 Mercedes-Benz AMG CLA45
Incorrect spark plugs may have been installed, which could come apart over time and cause engine damage.
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
- 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.
- Consequence
- Engine damage may result in an engine stall, increasing the risk of a crash.
- Remedy
- 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.
- 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.safercar.gov.
Recall details
- NHTSA campaign
- 21V124000
- Reported to NHTSA
- February 26, 2021
- Filed by
- Mercedes-Benz USA, LLC
- Owner notification
- April 14, 2021
- Vehicles potentially affected
- 7
- Initiated by
- the manufacturer
- Components
- Electrical system › Ignition › Coil › Spark plugs
Vehicles covered
As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.
- Mercedes-Benz AMG CLA45 (2020): 2020
Has your Mercedes-Benz been repaired?
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