2017 Mercedes-Benz Cla250 problems, complaints & recalls
Most-reported problem areas: Air Bags (5) · Power Train (3) · Engine (3)
🧭 Reliability snapshot
Compared against other Mercedes-Benz Cla250 model years — complaint volume vs the model's median year, recalls and severity. How we score →
Safety recalls (10)
Structure:body:roof And Pillars 2023-12-15 · campaign 23V854000 · 2,976 vehicles
Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2014-2020 C-Class, CLA, GLA, S-Class, GLC, and GLE vehicles. Please refer to MBUSA's recall report for specific vehicle details. The front roof panel located between the windshield and the panoramic sunroof may not have been bonded correctly to the vehicle during a prior repair, allowing the front panel to detach from the vehicle.
Risk: A detached roof panel can become a road hazard, increasing the risk of a crash.
Fix: Dealers will replace the front panel, free of charge. Owner notification letters were mailed on August 2, 2024. Owner notification letters will be mailed in phases, on, March 22,2024, and August 2, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. This recall is an expansion of NHTSA recall number 21V-197.
Electrical System:software 2022-05-20 · campaign 22V365000 · 242,722 vehicles
Defect: 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.
Fix: 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.
Steering:gear Box:shaft Sector 2021-04-01 · campaign 21V229000 · 4,992 vehicles
Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017 B250e, CLA250, 2017-2018 AMG CLA45, GLA250, and AMG GLA45 vehicles. The steering shaft bore hole for the universal joint bearing may allow excessive movement that, over time, could result in the separation of the bearing and universal joint.
Risk: A separated universal joint bearing can cause a loss of steering control and increase the risk of a crash.
Fix: MBUSA will notify owners, and dealers will inspect, and as necessary, replace the steering shaft, free of charge. Owner notification letters were mailed July 23, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2021060001.
Structure:body:roof And Pillars 2021-03-19 · campaign 21V197000 · 15,096 vehicles
Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2020 C300 Coupe, C43 Coupe AMG, C43 AMG, 2015-2020 C300, GLA250, 2016-2018 C350e, CLA45 Coupe AMG, 2015 C400, S65 AMG, 2015-2019 C63 AMG, 2016 C450, 2015-2016 GLA45 AMG, S600, 2016-2020 GLC300, 2017-2019 GLC43 AMG, GLE43 Coupe AMG, 2014-2019 CLA250 Coupe, 2014-2015 CLA45 AMG, 2018 GLC63 AMG, 2014-2017 S550, 2018-2020 S450, 2016-2019 GLE63 Coupe AMG, 2016 GLE450 Coupe, 2014-2020 S63 AMG, 2018-2019 S560, and 2019 GLC350e vehicles equipped wi
Risk: The adhesive bonding of the front panel might deteriorate, possibly causing the front panel to detach from the vehicle and become a road hazard, increasing the risk of a crash.
Fix: Mercedes-Benz dealer will remove the bonded panel and will install a new front panel by following the detailed repair instructions and using the approved primer, cleaner and adhesive, free of charge. Owner notification letters were mailed on September 3, 2021 and October 26, 2021. Owners may contact MBUSA customer service at 1-800-367-6372.
Communication: Auto Crash Notification 2021-02-12 · campaign 21V072000 · 67 vehicles
Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2019 C300, E300, 2018-2020 CLA250, 2020 CLS450, AMG E53, AMG GT53, GLE450, 2018 AMG E63, AMG GTA, 2017-2020 GLA250, GLC300, 2019 GLC350, AMG GLC43, 2017-2018 GLE350, 2019 AMG GLC 43, GLC350, GLE400, 2017 GLS450, S550, C300 Cabrio, and 2018-2019 S560 vehicles. On June 18, 2021, an additional 9 vehicles were added, including certain 2021 GLA250, GLC300, 2018 S450, E400, and 2017 CLA250 vehicles. The communication module might have been
Risk: A disabled eCall system would prevent a vehicle occupant from contacting emergency services through the call center in an emergency, potentially delaying emergency responders and increasing the risk of injury.
Fix: MBUSA will notify owners, and dealers will inspect the communication module and activate it, if necessary, free of charge. The recall began March 31, 2021. Letters for the owners of the 9 additional vehicles were mailed July 9, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2021030005.
Communication: Auto Crash Notification 2021-02-05 · campaign 21V058000 · 1,292,258 vehicles
Defect: 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.
Fix: 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.
Air Bags:sensor:occupant Classification 2019-12-16 · campaign 19V892000 · 129 vehicles
Defect: Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2015-2018 CLA250 and CLA250 4MATIC, and 2017-2018 CLA45 AMG vehicles. The Occupant Classification System (OCS) may have been improperly calibrated, which may prevent the proper deployment of the front passenger air bag.
Risk: In the event of a crash, if the air bag does not deploy as designed, the front seat passenger has an increased risk of an injury.
Fix: MBUSA will notify owners, and dealers will replace the passenger seat cushion, free of charge. The recall began July 31, 2020. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2020060012.
Air Bags:frontal 2017-10-06 · campaign 17V627000 · 495,290 vehicles
Defect: Mercedes-Benz USA, LLC. (MBUSA) is recalling these vehicles: 2014-2018 CLA250, CLA250 4Matic, CLA45 AMG 4Matic, 2015-2018 GLA250, GLA250 4Matic, GLA45 AMG 4Matic, C300 4Matic, C63S AMG, 2012-2014 C250, C350, C300 4Matic, E550 4Matic, 2013-2014 C63 AMG, 2012-2015 C250 Coupe, C350 Coupe, C63 AMG Coupe, 2013-2015 C350 4Matic Coupe, GLK250 4Matic BlueTec, GLK350, GLK350 4Matic, 2016-2017 C350e, C43 AMG, 2015 C400 4Matic, 2016-2018 C63 AMG, GLC300, GLC300 4Matic, 2017-2018 C300 Coupe, C300 4Matic Cou
Risk: If the driver air bag inadvertently deploys, it can increase the risk of injury and a crash.
Fix: MBUSA will notify owners, and dealers will add sufficient grounding to the steering components, free of charge. The recall began in December 6, 2017. Owners may contact MBUSA customer service at 1-877-496-3691.
Electrical System:starter Assembly 2017-02-23 · campaign 17V114000 · 307,629 vehicles
Defect: Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2015-2017 C300 4Matic, C300, CLA250, CLA250 4Matic and CLA45 AMG vehicles, 2017 C300 4Matic Cabrio, C300 4Matic Coupe, C300 Cabrio, C300 Coupe, E300, E300 4Matic, E400 4Matic Wagon, E43 AMG 4Matic, GLA250, GLA250 4Matic and GLC300 4Matic Coupe vehicles and 2016 C350e and GLC300 vehicles and 2016-2017 C450 4Matic AMG Sport and GLC300 4Matic vehicles. In the event that the engine or transmission cannot turn over, the starting current limiter ma
Risk: If the starting current limiter overheats, the surrounding components can melt, increasing the risk of a fire.
Fix: MBUSA will notify owners, and dealers will install an additional fuse in the electrical line to the starter, free of charge. The recall began August 31, 2017. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2017080002.
Air Bags:frontal:passenger Side:inflator Module 2017-02-08 · campaign 17V080000 · 2,112 vehicles
Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017 CLA250, CLA250 4Matic, E400 Coupe, E400 4Matic Coupe, E550 Coupe, E400 Cabriolet, E550 Cabriolet, E300, E300 4Matic, E400 Wagon, GLA250, and GLA250 4Matic vehicles. The pelvis air bag or the front passenger air bag inflator initiator may fail to ignite in the event of a crash.
Risk: If the pelvis airbag or the front passenger airbag does not deploy as intended in the event of a crash, the occupants have an increased risk of injury.
Fix: MBUSA will notify owners, and dealers will replace the affected air bag modules, free of charge. The recall began March 2017. Owners may contact MBUSA customer service at 1-800-367-6372.
Service bulletins (108)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Service Brakes 2026-09-22 · LI42.10-P-078779 · Service Bulletin/Repair Instructions
complaint repeat workshop visit for vehicle vibration while braking from 60mph. note: although the symptom is similar to a tire or wheel vibration, it is usually readily noticeable that it is distinctly different if it happens at all times or only while braking. cause although the cause of the vibra
Structure:body 2026-09-14 · LI82.62-P-078631 · Service Bulletin/Repair Instructions
complaint clanking noise from the area of the speakers in the doors. cause under analysis. remedy to narrow down the cause, first of all remove the door trim. • if the noise continues to occur even with the door trim removed, then continue the diagnosis working towards the speaker and if necessary,
Power Train 2026-08-29 · LI 27.10-P-080851 · Service Bulletin/Repair Instructions
complaint intermittent shift feel or thud/clunk noise perceived, such as a brief jerk or transmission reaction during certain driving situations. may be most noticeable when transitioning from a coasting condition to accelerator pedal application. may occur in all drive modes. cause dual‑clutch tran
Electrical System 2026-08-12 · LI54.65-P-080132 · Service Bulletin/Repair Instructions
complaint 1. general diagnostic tips 2. one or more park sensor activations 3. red ring around vehicle 4. "active parking and parking assist inoperative" on instrument cluster 5. cameras 6. other park topics. cause various root causes remedy see attached diagnostic guide.
Electrical System 2026-08-06 · LI82.85-P-079087 · Service Bulletin/Repair Instructions
complaint a popup is seen on the hu with the message "data connection temporarily not available". potentially affected functionalities in ntg4.5, ntg5 1.weather 2.local search 3.ip radio 4.send2car 5.speech detection service 6.navigation 7.iheartradio 8.traffic cams cause mb apps is sundowned for al
Structure:body 2026-08-06 · LI82.62-P-078631 · Service Bulletin/Repair Instructions
complaint clanking noise from the area of the speakers in the doors. cause under analysis. remedy to narrow down the cause, first of all remove the door trim. • if the noise continues to occur even with the door trim removed, then continue the diagnosis working towards the speaker and if necessary,
Showing the 6 most recent of 108 bulletins. Search all of them free at nhtsa.gov.
What owners report
2026-10-19 · Unknown Or Other“the check engine light on the vehicle came on and remained on each time the vehicle is running. an independent service center in an effort to fix the problem, ran a diagnostic test and found that the check engine light is on due to two codes. (1) p052e-71 crankcase ventilation system has a malfunction (pcv has failed, needs tube assembly). (2) p06…”
2025-07-24 · Electrical System“what component or system failed or malfunctioned, and is it available for inspection upon request? the instrument cluster display intermittently failed, either showing incorrect information or going completely blank while driving. yes, the component is still installed in the vehicle and available for inspection upon request. how was your safety o…”
2025-06-16 · Power Train“component or system that failed or malfunctioned: the component that failed was the partial-load ventilation valve, which is part of the engine’s crankcase ventilation system. this valve is responsible for regulating airflow and pressure within the crankcase during partial engine loads. a malfunction in this valve can lead to increased engine press…”
2024-07-15 · Fuel/Propulsion System“approximately 6 months i noticed my vehicle began to emit an odor and is not responsive immediately when i press on the gas. during this time period a yellow check engine light appeared on my dashboard. my local mechanic recommended christopher motors in warwick rhode island and german motors in providence, rhode island, who specializes in mercede…”
2024-07-01 · Visibility:sun/Moon Roof Assembly · 90,000 mi“the contact owns a 2017 mercedes-benz cla250. the contact stated while driving 60 mph, the contact heard a loud pop inside the vehicle. the vehicle was steered to the side of the road and the contact observed that the sunroof panel was missing. a police officer passing by stated that he observed that the panel had detached and land on the street. t…”
2024-07-01 · Latches/Locks/Linkages:trunk Lid:latch“1. what component or system failed or malfunctioned, and is it available for inspection upon request? the trunk latch system failed, causing the trunk to open unexpectedly. yes, the component is available for inspection upon request. 2.how was your safety or the safety of others put at risk? the trunk opened while driving on [xxx], creating a sign…”
2024-05-06 · Structure · 134,000 mi“the contact owns a 2017 mercedes-benz cla250. the contact stated while driving 68-70 mph, the front roof panel separated from the vehicle and flew off. the contact related the failure to nhtsa campaign numbers: 23v854000 (structure) and 21v197000 (structure). the dealer was notified of the failure and informed the contact that the vin was not inclu…”
2023-03-16 · Unknown Or Other“just replaced water pump and still need to replace positive crankcase ventilation system hose…”
2023-02-02 · Air Bags“the airbag spontaneously deployed while driving. no impact with any other vehicle and no previous damage. …”
2022-01-28 · Wheels“wheel rim cracks in normal driving conditions. …”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.