The 2021 Mercedes-Benz Cla 250 has 4 NHTSA recall campaigns affecting an estimated 1,878,402 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 8 complaints with NHTSA, most often about the vehicle speed control. Last updated July 5, 2026.
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…
Consequence
A disabled eCall system would prevent a vehicle occupant from contacting the emergency services call center in an emergency, potentially delaying emergency responders and increasing the risk of injury.
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…
BACK OVER PREVENTION21V3540002021-05-14343,191 affected
Defect
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…
Consequence
A backup camera that displays a blank image reduces the driver's rear view, increasing the risk of a crash or injury.
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.
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2016 - 2021 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, GT-Class, C-Class, E-Class, S-Class, CLS-Class, SL-Class, B-Class, GLB-Class, GLC-Class, and G-Class vehicles. Please refer to the Part 573 report for specific vehicle model details. The…
Consequence
Failure of the eCall system may result in emergency responders being dispatched to the wrong location, increasing the risk of injury following a crash.
Remedy
MBUSA will notify owners, and the communication module software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. The recall began March 12, 2021. Owners may contact MBUSA customer service at 1-877-762-8267. MBUSA's number for this recall is 2021020025.
CHILD SEAT21V0340002021-01-29231 affected
Defect
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 A220, A35 AMG, and CLA250 vehicles. The child seat anchoring system (ISOFIX) may be missing the right-side anchoring bar from the ISOFIX bracket on the right-rear seat.
Consequence
If the anchoring bar is missing from the ISOFIX bracket, the child restraint cannot be properly secured to the seat using the ISOFIX securing system, increasing the risk of injury for a child in that seat.
Remedy
MBUSA will notify owners, and dealers will inspect the right-rear ISOFIX bracket and replace the bracket, if necessary, free of charge. The recall began March 16, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2021020004.
Complaints by component
VEHICLE SPEED CONTROL
2
ENGINE
1
EXTERIOR LIGHTING
1
FUEL/PROPULSION SYSTEM
1
POWER TRAIN
1
SUSPENSION
1
1crashes
UNKNOWN OR OTHER
1
1injuries
Total complaints8
What owners report
Verbatim reports filed with NHTSA, lightly edited for readability and with personal
information removed.
“The seal around my driver side rear light is not sealed correctly there is water precipitation in my lamp”
“On friday, september 27, around 12 pm, while driving on i880s near union city, california, something horrific happened. The sunroof of my 2021 mercedes cla 250, with just 49,000 miles, suddenly exploded without any warning. The sound was so loud and violent, it felt like a gunshot. I was…”
“Date of occurrence: 03/05/2024 subject: formal claim regarding traffic safety issue with 2021 mercedes benz cla 250 I am writing to formally submit a claim regarding a recent traffic safety incident involving my 2021 mercedes benz cla 250. While driving to my destination, I encountered a sudden…”
“Date of occurrence: 03/05/2024 subject: formal claim regarding traffic safety issue with 2021 mercedes benz cla 250 I am writing to formally submit a claim regarding a recent traffic safety incident involving my 2021 mercedes benz cla 250. While driving to my destination, I encountered a sudden…”
“Our car has lost power to accelerate on 4 occasions on the highway. The first instance was in october of 2023, the second instance was in november of 2024 (and was brought immediately to the dealership and they said the fix wasn't available yet), the third instance was in march of 2024 and the…”
“Our car has lost power to accelerate on 4 occasions on the highway. The first instance was in october of 2023, the second instance was in november of 2024 (and was brought immediately to the dealership and they said the fix wasn't available yet), the third instance was in march of 2024 and the…”
“Our car has lost power to accelerate on 4 occasions on the highway. The first instance was in october of 2023, the second instance was in november of 2024 (and was brought immediately to the dealership and they said the fix wasn't available yet), the third instance was in march of 2024 and the…”
“On monday 02/14/2022, after 2-3 minutes driving towards work, at about 25-30mph speed, the front right ball joint broke on the vehicle putting me in danger of losing my life. Due to this ball joint failure, the right front wheel disassembled from the vehicle and it slid-crashed on the car parked…”
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL,
FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2021 Mercedes-Benz Cla 250 as of
July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page
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