The 2018 Mercedes-Benz Amg Cla45 has 7 NHTSA recall campaigns affecting an estimated 1,810,827 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 11 complaints with NHTSA, most often about the engine. Last updated July 5, 2026.
Recall campaigns
STRUCTURE23V8540002023-12-152,976 affected
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…
Consequence
A detached roof panel can become a road hazard, increasing the risk of a crash.
Remedy
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…
STEERING21V2290002021-04-014,992 affected
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.
Consequence
A separated universal joint bearing can cause a loss of steering control and increase the risk of a crash.
Remedy
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.
STRUCTURE21V1970002021-03-1915,096 affected
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,…
Consequence
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.
Remedy
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…
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.
AIR BAGS19V8920002019-12-16129 affected
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.
Consequence
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.
Remedy
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 BAGS18V5140002018-08-0386 affected
Defect
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2018 Mercedes-Benz CLA250, CLA250 4Matic, and CLA45 AMG 4Matic vehicles. The Occupant Classification System (OCS) may not be properly calibrated, resulting in the front passenger air bag not being deactivated if a child seat is in the front seat.
Consequence
If a child seat is in the front seat and the passenger air bag is not deactivated, in the event of a crash, it can increase the risk of injury.
Remedy
MBUSA will notify owners, and dealers will replace the front passenger seat cushion, free of charge. The recall began January 2, 2019. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2018120001.
If the driver air bag inadvertently deploys, it can increase the risk of injury and a crash.
Remedy
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.
Complaints by component
ENGINE
3
ELECTRICAL SYSTEM
2
POWER TRAIN
2
UNKNOWN OR OTHER
2
COMMUNICATION
1
ELECTRONIC STABILITY CONTROL (ESC)
1
Total complaints11
What owners report
Verbatim reports filed with NHTSA, lightly edited for readability and with personal
information removed.
“Regarding 2018 cla 45 amg: on 9-21-21, while I was driving approximately 45 mph on a 4 lane road, suddenly the car completely shut down. A message simultaneously popped up that the car was disabled and instructed me to look up in manual. Immediately I turned right into the first driveway where the…”
“Regarding 2018 cla 45 amg: on 9-21-21, while I was driving approximately 45 mph on a 4 lane road, suddenly the car completely shut down. A message simultaneously popped up that the car was disabled and instructed me to look up in manual. Immediately I turned right into the first driveway where the…”
“Regarding 2018 cla 45 amg: on 9-21-21, while I was driving approximately 45 mph on a 4 lane road, suddenly the car completely shut down. A message simultaneously popped up that the car was disabled and instructed me to look up in manual. Immediately I turned right into the first driveway where the…”
“Manufacturer has not fixed the outstanding software safety recall in a timely fashion. I have contacted them over 10 times and no one has any idea when the software update will be sent and there is no one they can escalate the issue to. I use the car for work, but I am not allowed to use a car…”
“The contact owns a 2018 mercedes-benz amg cla45. The contact received notification of nhtsa campaign number: 21v058000 (communication, electrical system) however, the part to do the recall repair was unavailable. The dealer was notified of the issue however, the contact was informed that the part…”
“The contact owns a 2018 mercedes-benz amg cla45. The contact received notification of nhtsa campaign number: 21v058000 (communication, electrical system) however, the part to do the recall repair was unavailable. The dealer was notified of the issue however, the contact was informed that the part…”
“We were advised mercedes-benz is issuing a recall due to mold existing in the factory hvac system from a law firm mailer. When contacting mercedes-benz, they stated they are of the problem and told us a recall would be taking place around january 2021. We bought this vehicle new in october 2018…”
“Accelerating out of a left turn, the car hesitated momentarily then the engine completely shut down in traffic. The dash indicated that the car had become inoperative, possibly due to the electronic stability program (esp) issue.”
Defect investigations
InvestigationEA21002 Opened 2021-09-17 · open
Desiccated Air Bag Inflator Rupture
From 2000 through 2017, Takata produced millions of air bag inflators using two types of phase-stabilized ammonium nitrate ("PSAN") propellant -- propellant 2004 and propellant 2004L. After prolonged exposure to high temperature cycles and humidity, inflators using propellant 2004 can degrade, causing the propellant…
InvestigationEA21002 Opened 2021-09-17 · open
Desiccated Air Bag Inflator Rupture
From 2000 through 2017, Takata produced millions of air bag inflators using two types of phase-stabilized ammonium nitrate ("PSAN") propellant -- propellant 2004 and propellant 2004L. After prolonged exposure to high temperature cycles and humidity, inflators using propellant 2004 can degrade, causing the propellant…
InvestigationPE21001 Opened 2021-01-08 · closed 2021-10-14
Front Roof Panel Detachment
On January 8, 2021, after ongoing review with Mercedes Benz, the National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation (ODI) opened PE21-001 to assess allegations of front roof panel detachments while driving at highway speeds in certain 2015 Mercedes-Benz (Mercedes) C-Class…
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL,
FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2018 Mercedes-Benz Amg Cla45 as of
July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page
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