Skip to content
My MOT CheckerSources

Recalls / Mercedes-Benz

Mercedes-Benz CLA recalls

DVSA has published 55 safety recalls that name the Mercedes-Benz CLA since 2014, 23 of them since 2020. Between them they cover at least 684,383 UK vehicles of this model.

Is your CLA affected? Check the exact vehicle

How the Mercedes-Benz CLA does at the MOT: Mercedes-Benz CLA MOT pass rate and common failures.

The latest 40 Mercedes-Benz CLA recalls

  1. CLA, GLB · electric drive unit power electronics

    25 Aug 2026 · R/2026/315

    Mercedes-Benz AG has determined that in certain CLA (174 platform) and GLB (244 platform) vehicles the circuit board for the power electronics of the rear electric drive unit might not meet the specifications.

    Fix: As a remedy Mercedes-Benz AG via its Mercedes-Benz service partners will replace the power electronics of the rear electric drive unit on the affected vehicles.

    3 vehicles · built 29 Oct 2025 to 2 Mar 2026

  2. CLA, GLB · software version of communication module

    5 Jun 2026 · R/2026/203

    Mercedes-Benz AG has determined that on certain CLA (174 platform) and GLB (244 platform) vehicles the software of the communication module might not meet the intended specification.

    Fix: As a remedy Mercedes-Benz AG via its Mercedes-Benz service partners will update the software on the affected vehicles.

    5 vehicles · built 27 May 2025 to 14 Jan 2026

  3. CLA · bolting of front seats and belt buckles

    6 Jan 2026 · R/2025/533

    Mercedes-Benz AG has determined that on certain CLA (174 platform) vehicles the bolting of the front seats and/or belt buckles might not meet specifications.

    Fix: As a remedy Mercedes-Benz AG via its Mercedes-Benz service partners will rework the front seat and belt buckle bolting on the affected vehicles.

    22 vehicles · built 23 May 2025 to 30 Jul 2025

  4. CLA · srpc2523 - variant of 48v wiring harness

    5 Jan 2026 · R/2025/556

    Mercedes-Benz AG has determined that on certain CLA (178 platform) vehicles with 4-cylinder gasoline engine the 48V wiring harness might not meet specifications.

    Fix: As a remedy Mercedes-Benz AG via its Mercedes-Benz service partners will check the wiring harness on the affected vehicles and rework it if necessary.

    82 vehicles · built 25 Nov 2025 to 17 Dec 2025

  5. CLA · srpc2516 - mechanics of the seat belt buckle

    10 Dec 2025 · R/2025/459

    Mercedes-Benz AG has determined that on certain CLA (174 platform) vehicles the belt buckles of the driver and passenger seats might not meet specifications respectively.

    Fix: As a remedy Mercedes-Benz AG via its Mercedes-Benz service partners will replace the seat belt buckles on the affected vehicles.

    349 vehicles · built 15 Jan 2025 to 6 Sep 2025

  6. CLA · srpc2518 - routing of window-airbag wiring harness

    10 Dec 2025 · R/2025/460

    Mercedes-Benz AG has determined that on certain CLA (174 platform) vehicles the routing of a window-airbag wiring harness in the area of the D-pillar might not meet specifications.

    Fix: As a remedy Mercedes-Benz AG via its Mercedes-Benz service partners will check the routing of the wiring harness on the affected vehicles and rework it if necessary.

    109 vehicles · built 14 May 2025 to 24 Oct 2025

  7. CLA · srpc2517 - software of driving assistance system

    10 Dec 2025 · R/2025/461

    Mercedes-Benz AG has determined that on certain CLA (174 platform) vehicles the software of the driving assistance system might not meet specifications.

    Fix: As a remedy Mercedes-Benz AG via its Mercedes-Benz service partners will update the software of the driving assistance system on the affected vehicles.

    649 vehicles · built 12 May 2025 to 20 Sep 2025

  8. CLA · composition of window-airbag fabric

    10 Dec 2025 · R/2025/462

    Mercedes-Benz AG has determined that on certain CLA (174 platform) vehicles the composition of the window-airbag fabric might not meet specifications.

    Fix: As a remedy Mercedes-Benz AG via its Mercedes-Benz service partners will replace the window-airbags on the affected vehicles.

    16 vehicles · built 6 Aug 2025 to 11 Aug 2025

  9. CLA · srpc2514 - driving assistance system software

    6 Oct 2025 · R/2025/408

    Mercedes-Benz AG has determined that on certain CLA (174 platform) vehicles the software of the driving assistance system might not meet specifications.

    Fix: As a remedy Mercedes-Benz AG via its Mercedes-Benz service partners will update the software of the driving assistance system on the affected vehicles.

    19 vehicles · built 26 May 2025 to 21 Jul 2025

  10. A CLASS, CLA · srpc2503 - variant of rear axle brake hose

    16 Apr 2025 · R/2025/131

    Mercedes-Benz AG has determined that on certain A-Class (177 platform) and CLA (118 platform) vehicles the length of the brake hoses on the rear axle might not meet specifications.

    Fix: As a remedy Mercedes-Benz AG via its Mercedes-Benz service partners will check the brake hoses on the rear axle on the affected vehicles and replace them if necessary.

    254 vehicles · built 27 Feb 2024 to 14 Mar 2024

  11. A CLASS, B CLASS, CLA, EQA, EQB, GLA, GLB · srpc2404 – backup function of steering software

    6 May 2024 · R/2024/166

    On affected vehicles the backup function of the steering software might not meet specifications. As a result the steering power support might be impaired and a loss of steerability cannot be ruled out.

    Fix: Update the software of the electric steering on the affected vehicles.

    52,400 vehicles · built 28 Nov 2018 to 31 Jan 2024

  12. C-CLASS, CLA, E-CLASS, GL, GLA, GLC, GLE, GLS-CLASS, M, S-CLASS · the behaviour of the emergency call system might not meet specifications

    1 Dec 2021 · R/2021/106

    The behaviour of the emergency call system might not meet specifications.

    Fix: Update the software of the communication module for the emergency call system.

    23 vehicles · built 4 Jan 2016 to 29 Jan 2021

  13. A CLASS, A CLASS (177), AMG GT, AMG GT COUPE, B CLASS, B CLASS (246), B CLASS(242), C-CLASS, CLA, CLS, E-CLASS, E-CLASS COUPE, EQC, G CLASS, GL, GLA, GLB, GLC, GLE, GLE COUPE, GLS, GLS-CLASS, M, S-CLASS, SL CLASS, SLC, SLK · the behaviour of the emergency call system might not meet specifications

    13 May 2021 · R/2021/110

    The behaviour of the emergency call system might not meet specifications.

    Fix: Update the software of the communication module for the emergency call system.

    108,971 vehicles · built 4 Jan 2016 to 29 Jan 2021

  14. A CLASS (177), A CLASS(176), AMG GT, AMG GT COUPE, B CLASS, B CLASS (246), B CLASS(242), C-CLASS, CLA, CLA(118), CLS(218), CLS(257), CONVERTABLE, CONVERTIBLE, E-CLASS, E-CLASS COUPE, EQC, G CLASS, GL, GLA, GLB, GLC, GLE, GLE COUPE, GLS(167), GLS-CLASS, M, S-CLASS, S-CLASS COUPE, SL 231, SLC, SLK · the behaviour of the emergency call system might not meet specifications

    10 May 2021 · R/2021/111

    The behaviour of the emergency call system might not meet specifications.

    Fix: Update the software of the communication module for the emergency call system.

    90,716 vehicles · built 4 Jan 2016 to 29 Jan 2021

  15. A CLASS, CLA, GLA · the variant of spark plugs installed may not meet specifications

    15 Apr 2021 · R/2021/084

    The variant of spark plugs installed may not meet specifications.

    Fix: Replace the spark plugs on the affected vehicles.

    7 vehicles · built 3 Sep 2019 to 24 Aug 2020

  16. A CLASS, B CLASS, C-CLASS, CLA, E-CLASS, GLA, GLB, GLC, GLE, GLS, S-CLASS, SLC, SLK · the communication module may be deactivated

    30 Mar 2021 · R/2021/082

    The communication module may be deactivated

    Fix: Carry out a check of the configuration of the communication module on affected vehicles and if necessary activate the communication module.

    24 vehicles · built 3 May 2016 to 2 Jul 2020

  17. A CLASS, CLA · the right handle for attaching the child seat to the isofix bracket may be missing on the rear right seat

    18 Feb 2021 · R/2021/030

    The ISOFIX bracket might be missing on the right rear seat.

    Fix: Check the ISOFIX bracket on the affected vehicles and replace it if necessary.

    543 vehicles · built 30 Jul 2020 to 10 Sep 2020

  18. A CLASS, B CLASS, CLA, GLC · an electrical contact inside the engine control unit may not meet the specification

    27 Oct 2020 · R/2020/277

    An electrical contacting inside the engine control unit might not meet the specification

    Fix: Replace the engine control unit on the affected vehicles

    37 vehicles · built 11 Dec 2019 to 9 Jan 2020

  19. A CLASS, CLA · vehicles may be filled with the refrigerant r-134a instead of r-1234yf

    13 Oct 2020 · R/2020/237

    The air conditioning system on the affected vehicles might erroneously be filled with the incorrect refrigerant

    Fix: Replace the refrigerant in the air conditioning system on the affected vehicles.

    30 vehicles · built 7 Oct 2019 to 12 Nov 2019

  20. A CLASS, B CLASS, CLA, GLA, GLB · the oil supply line of the turbocharger may leak

    12 Oct 2020 · R/2020/262

    The oil supply line of the turbocharger might leak

    Fix: Check the oil supply line of the turbocharger on the affected vehicles and replace it if necessary

    1,074 vehicles · built 21 Oct 2019 to 26 Jun 2020

  21. A CLASS, AMG GT, B CLASS, C-CLASS, CLA, CLS, E-CLASS, G CLASS, GLA, GLC, S-CLASS, SL, SLC · the emergency call system (ecall) does not meet the specification

    6 Oct 2020 · R/2020/236

    On affected vehicles the software of the communication module for the emergency call system does not meet the specification

    Fix: Update the software of the communication module for the emergency call system

    3,127 vehicles · built 1 Mar 2017 to 30 Sep 2018

  22. A CLASS (177), CLA · the mounting of the gas line to the gas generator of the inerter system may not meet specifications

    21 Jul 2020 · R/2020/134

    The mounting of an argon gas line to generator of the inerter system might not meet specifications.

    Fix: Check the mounting of the gas line to the gas generator on the affected vehicles and rework it if necessary.

    134 vehicles · built 6 May 2019 to 10 May 2019

  23. A CLASS, B CLASS, CLA · the calibration of the occupant classification system for the passenger seat may not meet the specification

    21 Jul 2020 · R/2019/446

    The calibration of the occupant classification system for the passenger seat might not meet the specification.

    Fix: Replace the passenger seat cushion

    75 vehicles · built 29 Apr 2015 to 2 Nov 2017

  24. A CLASS, B CLASS, CLA · the refrigerant used in the air condition system does not meet legal requirements

    7 Nov 2019 · R/2019/354

    The refrigerant used in the air conditioning system does not meet legal requirements.

    Fix: Adapt the air conditioning system for usage of the new refrigerant.

    1,407 vehicles · built 1 Nov 2012 to 31 Oct 2013

  25. B CLASS, CLA · the refrigerant used in the air conditioning system may not meet legal requirements

    5 Nov 2019 · R/2019/348

    The refrigerant used in the air conditioning system does not meet legal requirements

    Fix: The air conditioning system will be adapted for the usage of the new refrigerant.

    58 vehicles · built 1 Nov 2012 to 31 Oct 2013

  26. A CLASS, CLA, EQC, GLC · the four locknuts securing the air bag might be missing

    5 Nov 2019 · R/2019/337

    Certain driver airbag modules might not be bolted onto the base plate.

    Fix: Check the driver airbag on the affected vehicles and replace it if necessary.

    2,345 vehicles · built 9 Aug 2018 to 17 Sep 2019

  27. CLA · the refrigerant used in the air condition system does not meet legal requirements

    1 Nov 2019 · R/2019/347

    The refrigerant used in the air conditioning system does not meet legal requirements.

    Fix: The air conditioning system will be adapted for the usage of the new refrigerant.

    432 vehicles · built 1 Nov 2012 to 31 Oct 2013

  28. A CLASS, AMG GT, B CLASS, C-CLASS, CLA, CLS, E-CLASS, GLB, GLE, S-CLASS · the software of the radar control unit may not meet specification

    18 Sep 2019 · R/2019/269

    ; The software of the radar control unit might not meet the specification

    Fix: Update the software of the radar sensor control unit on the affected vehicles.

    294 vehicles · built 1 Feb 2017 to 31 Jul 2019

  29. A CLASS, B CLASS, CLA · the software of the transmission control unit might not meet specification.

    30 Jul 2019 · R/2019/217

    Under certain circumstances it might not be possible to shift into Drive or Reverse mode.

    Fix: Update the transmission control unit software of the affected vehicles.

    1,209 vehicles · built 1 Jul 2018 to 28 Feb 2019

  30. CLA · the electrical contact of the tail lamps might be impaired

    8 May 2019 · R/2019/101

    The electrical contact of the tail lamps might be impaired.

    Fix: The bulb sockets of the affected vehicles are to be replaced.

    1 vehicle · built 1 Feb 2018 to 28 Feb 2018

  31. B CLASS, CLA · the calibration of the front passenger seat occupant clasification system may not correspond to specifications

    27 Feb 2019 · R/2018/349

    Incorrect calibration of the front passenger occupant classification system.

    Fix: Replace the seat cushion of the front passenger seat.

    163 vehicles · built 1 Jan 2018 to 28 Feb 2018

  32. B CLASS, CLA, SL CLASS, SLC · doors on left vehicle side (passenger side) remain permanently locked after the vehicle has been locked/unlocked with the remote control key

    19 Nov 2018 · R/2018/268

    Possible inability to open the left hand door externally or internally.

    Fix: Replace the affected door locks on the left side of the vehicle.

    5,030 vehicles · built 1 Oct 2017 to 30 Apr 2018

  33. A CLASS, B CLASS, C-CLASS, CLA, GLA, GLC · electrical wiring in steering assembly may be insufficiently grounded

    11 Jun 2018 · R/2018/130

    The steering column clock spring may break. This will cause warning messages to illuminate in the instrument cluster but in extreme instances it may cause the driver's airbag to deploy.

    Fix: Affected vehicles will be recalled to establish sufficient grounding of the steering components

    78,608 vehicles · built 1 Nov 2011 to 31 Jul 2017

  34. A CLASS, B CLASS, C-CLASS, CLA, GLA, GLC · steering components may be insufficiently grounded

    11 May 2018 · R/2018/098

    It has been determined that the steering airbag electrical components are insufficiently grounded. Failure of the steering column module clock spring could result in an inadvertent deployment of the driver airbag which may cause risk of injury to the driver and an increased risk of a potential collision.

    Fix: On affected vehicles the manufacturer will fit a contact bridge to the outer race of the steering column top bearing which will provide correct grounding.

    74,329 vehicles · built 1 Nov 2011 to 31 Jul 2017

  35. A CLASS, B CLASS, C-CLASS, CLA, GLA, GLC · electrical wiring in steering assembly may be insufficiently grounded

    9 Apr 2018 · R/2018/069

    The steering column clock spring may break. This will cause warning messages to illuminate in the instrument cluster but in extreme instances it may cause the driver's airbag to deploy.

    Fix: Affected vehicles will be recalled to establish sufficient grounding of the steering components.

    67,027 vehicles · built 1 Nov 2011 to 31 Jul 2017

  36. A CLASS, B CLASS, C-CLASS, CLA, GLA, GLC · electrical wiring in steering assembly may be insufficiently grounded

    18 Dec 2017 · R/2017/282

    The steering column clock spring may break. This will cause warning messages to illuminate in the instrument cluster but in extreme instances it may cause the driver's airbag to deploy.

    Fix: Affected vehicles will be recalled to establish sufficient grounding of the steering components.

    46,093 vehicles · built 1 Nov 2011 to 31 Jul 2017

  37. A CLASS, B CLASS, CLA, E-CLASS, GLA · airbag may not deploy correctly

    20 Jun 2017 · R/2017/177

    The propellant mixing ratio in the igniters of the front passenger airbag assembly may not meet specification. If the airbag is required and activated it might not deploy or not completely deploy. This could increase the risk of injury to the occupants.

    Fix: Recall the vehicles that are likely to be affected and replace the front passenger airbag assembly.

    1,034 vehicles · built 1 Aug 2016 to 31 Mar 2017

  38. A CLASS, B CLASS, CLA, GLA · vacuum line brake booster may break

    20 Jun 2017 · R/2017/179

    The connection fitting of the vacuum line to the brake booster is not to specification and my not be durable. If the connection fails the brake booster will no longer be supplied with vacuum. After a few brake applications the driver will have to apply additional pressure to the brake pedal to gain the appropriate braking effect.

    Fix: Recall the vehicles that are likely to be affected and replace the vacuum line on the brake booster with a quality assured component.

    4,787 vehicles · built 1 Apr 2011 to 30 Apr 2013

  39. A CLASS, B CLASS, C-CLASS, CLA, E-CLASS, GLA, GLC · starting current limiter may overload

    20 Jun 2017 · R/2017/096

    Where the car incurs severe engine damage resulting in the engine failing to turn over (engine seizure) and if the driver repeatedly attempts to start the engine despite the engine not cranking the very high electrical current could lead to overheating of the starting current limiter and the potential for a fire.

    Fix: Recall the vehicles that are likely to be affected and install an additional fuse in the electrical line to the starter.

    74,444 vehicles · built 1 Feb 2014 to 28 Feb 2017

  40. CLA, GLA · left window airbag may not deploy as intended

    20 Jun 2017 · R/2017/161

    The left widow airbag may not meet specification. As a result it may not deploy in the event of an accident.

    Fix: On affected vehicles replace the left window air bag.

    15 vehicles · built 1 Aug 2016 to 31 Mar 2017

Older Mercedes-Benz CLA recalls

  1. CLA, GLA · right window airbag may fail to deploy as intended20 Jun 2017 · R/2017/162
  2. CLA, GLA · left and right window airbags may fail to deploy as intended20 Jun 2017 · R/2017/160
  3. C-CLASS, CL CLASS, CLA, CLS, E-CLASS, GLA, GLC, M CLASS, S CLASS, SLK · faulty control unit may cause vehicle to perform outside specification19 Apr 2017 · R/2017/124
  4. CLA · rear seat backrest may collapse in a collision14 Dec 2016 · R/2016/271
  5. A CLASS, CLA, GLA · vehicle may stall28 Sep 2016 · R/2016/124
  6. CLA · risk of fire22 Apr 2016 · R/2016/085
  7. CLA · possible loss of power steering assistance22 Apr 2016 · R/2016/088
  8. A CLASS, B CLASS, C CLASS, CLA, CLS, E CLASS, GLA, SLC, SLK-CLASS · risk of fire21 Jan 2016 · R/2015/259
  9. A CLASS, B CLASS, C CLASS, CLA, E CLASS, GLA, SLK-CLASS · engine may fail19 Nov 2015 · R/2015/210
  10. CLA, GLA, SLK-CLASS · engine may fail19 Nov 2015 · R/2015/208
  11. A CLASS, B CLASS, CLA, GLA · front passenger airbag may not deploy12 Aug 2015 · R/2015/145
  12. A CLASS, B CLASS, CLA · possibility of loss of drive14 Jul 2015 · R/2015/099
  13. A CLASS, B CLASS, C CLASS, CLA, CLS, E CLASS, GLA, M CLASS, SLK-CLASS · oil may leak16 Jan 2015 · R/2014/182
  14. CLA · seat belt anchorate and window bags may not perform correctly7 Jul 2014 · R/2014/076
  15. CLA · seatbelt anchorage point may not be secure7 Jul 2014 · R/2014/075

Other Mercedes-Benz models

Source: DVSA recalls register, check-vehicle-recalls.service.gov.uk, copy dated 6 Sep 2026, Open Government Licence v3.0. A recall is listed here when DVSA names this model in it; the build dates on each recall say which cars it covers, and a registration check confirms your own.