2014 Mercedes-Benz Amg Cla45 problems, complaints & recalls
Most-reported problem areas: Air Bags (3) · Tires:pressure Monitoring And Regulating Systems (2) · Structure:body (2)
Safety recalls (5)
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.
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 2019-11-01 · campaign 19V787000 · 24,226 vehicles
Defect: Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2013-2017 vehicles due to a software fault that may cause the date and time for the emergency call system (eCall) to differ from the actual date and time, potentially relaying an inaccurate vehicle location. For a full list of the affected models visit: https://static.nhtsa.gov/odi/rcl/2019/RMISC-19V787-4620.pdf
Risk: An inaccurate vehicle location may delay emergency responders, increasing the risk of injury.
Fix: MBUSA has initiated an Over the Air (OTA) remote update. MBUSA will also notify owners, and dealers will check software for a successful OTA or update the communication module software as needed, free of charge. The recall began December 23, 2019. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2019120008.
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.
Air Bags:sensor:occupant Classification 2015-07-06 · campaign 15V426000 · 43 vehicles
Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain model year 2014 CLA 250C vehicles manufactured September 10, 2014, to September 11, 2014, 2014 CLA 250C 4Matic vehicles manufactured September 13, 2014, to September 25, 2014, and 2014 CLA 45 AMG 4Matic vehicles manufactured September 10, 2014, to September 25, 2014. The affected vehicles have fuses that may have been incorrectly installed in the passenger side interior fuse boxes.
Risk: If the fuses were not properly installed, they may lose electrical contact. In the event of a loss of electrical contact, certain systems may be impacted, including the function of the front passenger seat occupancy recognition system, the passenger side air bag indicator lamp, the instrument cluster and the windshield wipers. Should the function of the front passenger seat occupancy recognition
Fix: MBUSA will notify owners, and dealers will inspect the position and orientation of the fuses, and if necessary, replace the fuse box, free of charge. The recall began on August 18, 2015. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2015060007.
Service bulletins (93)
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 93 bulletins. Search all of them free at nhtsa.gov.
What owners report
2025-09-15 · Structure · 75,000 mi“the contact owns a 2014 mercedes-benz amg cla45. the contact stated that while driving approximately 65 mph, the glass panel between the front windshield and the sunroof suddenly detached. the contact inspected the vehicle and found information on nhtsa campaign number: 23v854000 (structure). the dealer was contacted and informed the contact the vi…”
2025-04-01 · Visibility/Wiper“the ‘sunroof shade’ malfunctioned. just randomly came off-track. yes, it is still available to inspect. shade now hangs down and rises a safety concern for visibility. not inspected by a dealer or other representative yet. no warning lights or failure notices are present. …”
2024-10-01 · Unknown Or Other“vehicle appears to be a different vehicle or possibly a cloned vehicle according to fbi records . safety does not match up nor specs with the vehicles vin report or carfax . possibly a duped vehicle. claims rear cam no camera specs show vehicle to be electric or blue liquid propeled . app do not work sat says its connected to the vehicle but not th…”
2024-10-01 · Tires:pressure Monitoring And Regulating Systems“tire tread tore from the inseam of tire causing me to be stranded out of state for 2 days waiting on means of a new tire . the vehicle pulls and now has needed a second tire replacemnt on same side. consistant warning from tpm rim bent causing rim leak on current tire. yes a tire service center replaced the tire completely failed to acknowledge ben…”
2024-10-01 · Tires:pressure Monitoring And Regulating Systems“new tire replacement after a faulty tire. tpms not registering correctly, rim leak from imporper sealing and now tire had a small tear had to be pluggled …”
2024-10-01 · Structure:body“i purchased my vehicle early march from carmax. they offer a 90 day guarantee on anything that will go wrong with the vehicle full coverage. my daughter was having my grandchild so what a great opportunity but to drive my new vehicle from chicago to florida to give it a good run when i arrived i was having problems with the eco drive, which is the …”
2024-10-01 · Fuel/Propulsion System“.i purchased brand new vehicle from carmax of oaklawn , who imported the vehicle from naperville il it came with 90 day gaurantee or money back.i then drove to florida 2 weeks after purchase of the vehicle of which my boyfriend [xxx] at the time can attest the vehicle drove amazing.upon my arrival i was having electrical issues with the eco drive …”
2022-07-29 · Structure:body“while driving on the freeway the glass piece between the windshield and sunroof flew off of the car, causing a major safety hazard. …”
2022-07-14 · Visibility:sun/Moon Roof Assembly · 70,000 mi“the contact owns a 2014 mercedes-benz cla45. the contact stated while entering the vehicle, he noticed that the sunroof slider was damaged. the vehicle was not diagnosed or repaired. the manufacturer was not notified of the failure. the approximate failure mileage was 70,000.…”
2022-02-14 · Power Train:driveline:differential Unit · 60,000 mi“the contact owns a 2014 mercedes-benz amg cla45. the contact stated while driving 30 mph, the contact heard a grinding sound coming from underneath the rear of the vehicle. the contact stated no warning light was illuminated. the contact pulled over safely but found no issues. the contact took the vehicle to the local dealer, where it was diagnosed…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.