| Variant | Engine | Drivetrain | Transmission | City | Highway | Combined | EV Range | Est. Annual Fuel Cost |
| A220 | 2L 4-Cyl | Front-Wheel Drive | Automatic (AM7) | 25 MPG | 36 MPG | 29 MPG | — | $2,600 / yr |
| A220 4matic | 2L 4-Cyl | 4-Wheel Drive | Automatic (AM7) | 25 MPG | 34 MPG | 28 MPG | — | $2,700 / yr |
| AMG A35 4matic | 2L 4-Cyl | 4-Wheel Drive | Automatic (AM7) | 22 MPG | 29 MPG | 25 MPG | — | $3,050 / yr |
Data Boundary Note: EPA specifications are shown by certified vehicle configuration. NHTSA complaints and recall totals are recorded at the model-year level across all configurations.
| Tested Drivetrain / Cab Variant | Overall Rating | Frontal Crash | Side Crash | Rollover Rating | Rollover Risk |
| 4 DR FWD | Not Rated | Not Rated | Not Rated | Not Rated | — |
| 4 DR 4WD | Not Rated | Not Rated | Not Rated | Not Rated | — |
Active Driver Assistance Systems (NHTSA Recorded): Forward Collision Warning (FCW) is documented as Standard and Lane Departure Warning (LDW) is documented as No in official NHTSA records for tested 2021 Mercedes-Benz A-Class models.
View complete 2021 Mercedes-Benz A-Class crash test & safety breakdown →
Top Reported Problem Categories
Ranked by total consumer complaint submissions recorded by NHTSA
Data Attribution & Context: Complaints are self-reported by vehicle owners to NHTSA and represent unverified consumer submissions. Complaint volume does not equal a statistically controlled failure rate and is not adjusted for total vehicles sold or cumulative mileage driven.
View all 2021 Mercedes-Benz A-Class problems & component breakdown (9 categories) →
Affected Component: LATCHES/LOCKS/LINKAGES:DOORS:LOCK
Defect Summary: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020-2021 CLA, 2019-2022 A-Class, 2022-2023 C-Class, 2024 CLE, 2020-2026 GLA/GLB, and 2023-2024 GLC vehicles. Please refer to MBUSA's recall report for specific model information. The micro-switch in the driver's door lock may corrode and fail to detect an open door, preventing the electronic parking brake or "Auto-Park" feature from engaging automatically. This may result in a vehicle rollaway.
Free Manufacturer Remedy: Dealers will replace the driver's door lock, free of charge. Owner notification letters are expected to be mailed September 18, 2026. Owners may contact MBUSA customer service at 1-800-367-6372. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning July 31, 2026.
Affected Component: ELECTRICAL SYSTEM:SOFTWARE
Defect Summary: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2022 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, AMG GT-Class, C-Class, E-Class, S-Class, SL-Class, GLC-Class, CLS-Class, GLB-Class, and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model details. An error in the communication module's SIM card software can cause a mobile network connection failure, disabling the emergency call (eCall) system.
Free Manufacturer Remedy: The communication module software will be updated through an Over-the-Air (OTA) update or by a dealer, free of charge. Owner notification letters were mailed July 8, 2022. Owner notification letters will be mailed in phases, on July 8, 2022, May 17, 2024, July 29, 2024, and September 27, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's numbers are for this recall is 2022060005 and 2023110006.
Affected Component: BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
Defect Summary: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019-2021 CLA-Class, GLE/GLS-Class, A-Class, E-Class, E-Class Coupe and Convertible, GLA/GLB-Class, GLC-Class, CLS-Class, and AMG GT-Class 4-door Coupe vehicles. Please refer to MBUSA's recall report for specific vehicle model details. The MBUX multimedia system software may cause the display to remain black, or reboot after startup. This could result in the rearview camera image not displaying properly. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 111, "Rear Visibility."
Free Manufacturer Remedy: The multimedia system software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. Owner notification letters were mailed beginning June 28, 2021. Owners may contact MBUSA customer service at 1-800-367-6373. MBUSA's number for this recall is 2021050012.
View all 2021 Mercedes-Benz A-Class recalls & campaign history (4 campaigns) →