2021 Mercedes-Benz CLA 250 problems, complaints & recalls

Updated from NHTSA data · How we count

Owners have filed 7 complaints with NHTSA about the 2021 Mercedes-Benz CLA 250, most often about fuel, hybrid & EV propulsion. There are 5 recalls for this model year.

Complaints
7
Recalls
5
Crashes
1
Fires
0
Injuries
1
Median mileage
—
at time of problem

Key facts

  • Fuel, Hybrid & EV Propulsion is the most-reported problem area, named in 2 of 7 complaints (29%).
  • Acceleration & Cruise Control (2) and driver assistance & safety tech (1) follow.
  • Owners reported 1 crash, 0 fires and 1 injury.
  • The 2021 Mercedes-Benz CLA 250 has 5 recalls on file.
  • It ranks 5th of 8 Mercedes-Benz CLA 250 model years by our severity-weighted complaint score (1st = worst).
  • That is 65% fewer complaints than the 2020 model year (20).

2021 Mercedes-Benz CLA 250 problems by category

  • Other / Unknown
    2 complaints
  • Fuel, Hybrid & EV Propulsion
    2 complaints
  • Acceleration & Cruise Control
    2 complaints
  • Driver Assistance & Safety Tech
    1 complaints
  • Transmission & Drivetrain
    1 complaints
  • Engine
    1 complaints
  • Lighting
    1 complaints
  • Suspension · 1 crash
    1 complaints

A complaint can mention more than one problem area, so categories add up to more than the total.

Most-reported components

Component (as filed with NHTSA)Complaints
Fuel/propulsion system2
Unknown or other2
Vehicle speed control2
Engine1
Suspension1
Power train1
Exterior lighting1
Forward collision avoidance: automatic emergency braking1

2021 Mercedes-Benz CLA 250 recalls (5)

  • Recall 26V481000Jul 24, 2026310,667 vehicles
    LATCHES/LOCKS/LINKAGES:DOORS:LOCK

    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.

    Risk: A vehicle rollaway increases the risk of a crash or injury.

    Remedy: Dealers will replace the driver's door lock, free of charge. Owner notification letters are expected to be mailed September 18, 2026. This will be a phased campaign, with the remedy becoming available in different phases based on model and model years. 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.

  • Recall 22V365000May 20, 2022242,722 vehicles
    COMMUNICATION: AUTO CRASH NOTIFICATION · ELECTRICAL SYSTEM:SOFTWARE

    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.

    Risk: 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 MBUSA customer service at 1-800-367-6372. MBUSA's numbers are for this recall is 2022060005 and 2023110006.

  • Recall 21V354000May 14, 2021343,191 vehicles
    BACK OVER PREVENTION: SENSING SYSTEM: CAMERA · ELECTRICAL SYSTEM:SOFTWARE

    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."

    Risk: 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.

  • Recall 21V058000Feb 5, 20211,292,258 vehicles
    COMMUNICATION: AUTO CRASH NOTIFICATION · ELECTRICAL SYSTEM:SOFTWARE

    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 software design of the communication module may fail to communicate the correct vehicle location for the emergency call system (eCall) in the event of a crash.

    Risk: 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.

  • Recall 21V034000Jan 29, 2021231 vehicles
    CHILD SEAT · CHILD SEAT:VEHICLE LATCH ANCHOR

    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.

    Risk: 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.

Recent 2021 Mercedes-Benz CLA 250 complaints

Excerpts of the newest owner complaints, lightly cleaned of personal details. Complaints are unverified owner reports.

  1. Filed Aug 29, 2026TXFuel, Hybrid & EV Propulsion
    Vehicle would unexpectedly stall out while driving at slow speeds or stopped. Car was brought to an independent car shop and it was determined the Fuel pump had started to come apart sending debris into the fuel tank/system causing low fuel pressure. The fuel tank with fuel level sensor and suction jet pump was replaced along with, fuel injectors and other fuel system components. This looks very similar to other Mercedes Fuel system recalls that does not seem to cover the…
    NHTSA complaint #11760635 · source
  2. Filed Aug 26, 2026CADriver Assistance & Safety TechOther / Unknown
    My 2021 CLA 250 that I reached purchased as a used vehicle in the last three months and now is saying SOS unresponsive so in my vehicle where to get a motor vehicle accident, it will not be alerting any emergency personnel authorities and I think it’s really sad the whole fact that Mercedes-Benz has just ran you know a bunch of these vehicles through a bin filter and just because mine isn’t on the recall list even though it’s doing exactly what is one of the main major…
    NHTSA complaint #11759720 · source
  3. Filed Oct 1, 2024CA1 injuredOther / Unknown
    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 immediately overwhelmed with fear and panic as I struggled to process what was happening. In my rearview mirror, I could see shards of glass scattering across the road behind me. When I…
    NHTSA complaint #11617574 · source
  4. Filed Jun 17, 2024CAEngineAcceleration & Cruise ControlTransmission & Drivetrain
    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 most recent incident occurred in June of 2024. For example, the car will be moving at a speed of 60 mph and it will suddenly start flashing lights in the car with a warning signal that…
    NHTSA complaint #11594916 · source
  5. Filed Mar 5, 2024CAFuel, Hybrid & EV PropulsionAcceleration & Cruise Control
    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 loss of power and inability to accelerate. To ensure the safety of myself and other drivers, I activated my emergency lights and cautiously proceeded at a limited speed of…
    NHTSA complaint #11575656 · source
  6. Filed Mar 20, 2022ILCrashTowedSuspension
    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 on the right side of the street. If it would happen on the highway I would kill myself and put others in the ultimate danger of losing their lives. The car was towed to the Loeber…
    NHTSA complaint #11457479 · source

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Source: U.S. National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation public data, as of Oct 10, 2026. Complaints are submitted by owners and are not verified by NHTSA or by us; a complaint does not prove a defect exists. View this vehicle on NHTSA.gov Methodology