2018 Mercedes-Benz CLA-Class: recalls, fuel economy and safety ratings
EPA rates the 2018 Mercedes-Benz CLA-Class at 26–29 mpg combined across 4 versions. NHTSA lists 10 safety recalls and 47 owner complaints for this model year.
Safety recalls
10
EPA combined mpg
26–29
NHTSA overall rating
—
Recall file dated Oct 28, 2026 · EPA file dated Sep 29, 2026 · updated Oct 28, 2026, 7:36 AM EDT
NHTSA lists this vehicle as AMG CLA45, CLA 250.
Check your own car: enter your 17-character VIN at nhtsa.gov/recalls to see open recalls for that exact vehicle, and contact a Mercedes-Benz dealer to schedule the repair — safety recall repairs are free. The list below covers the whole model year, so not every recall applies to every car.
2018 Mercedes-Benz CLA-Class recalls
NHTSA's recall file lists 10 safety recalls for the 2018 Mercedes-Benz CLA-Class, newest first.
Structure: Body: Roof and pillars
NHTSA 23V854000Reported Dec 15, 2023
Filed by
Mercedes-Benz USA, LLC
Units affected
2,976 (estimate)
Problem
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.
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 21V-197.
Mercedes-Benz USA, LLC (manufacturer recall no. See Recall Schedule)
Components
Electrical system: Software; Communication: Auto crash notification
Units affected
242,722 (estimate)
Problem
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.
Steering: Gear box: Shaft sector and 1 more component
NHTSA 21V229000Reported Apr 1, 2021
Filed by
Mercedes-Benz USA, LLC (manufacturer recall no. 2021060001)
Components
Steering: Gear box: Shaft sector; Steering
Units affected
4,992 (estimate)
Problem
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.
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.
Mercedes-Benz USA, LLC (manufacturer recall no. 2021070010)
Units affected
15,096 (estimate)
Problem
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 with a panoramic sunroof. 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.
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.
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 service at 1-800-367-6372.
Communication: Auto crash notification and 1 more component
NHTSA 21V072000Reported Feb 12, 2021
Filed by
Mercedes-Benz USA, LLC (manufacturer recall no. 2021030005)
Components
Communication: Auto crash notification; Communication
Units affected
67 (estimate)
Problem
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 inadvertently deactivated during a service visit, which could have disabled the Emergency Call (eCall) function.
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.
Remedy
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.
Mercedes-Benz USA, LLC (manufacturer recall no. 2021020025)
Components
Electrical system: Software; Communication: Auto crash notification
Units affected
1,292,258 (estimate)
Problem
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.
Mercedes-Benz USA, LLC (manufacturer recall no. 2020060012)
Units affected
129 (estimate)
Problem
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.
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.
Mercedes-Benz USA, LLC (manufacturer recall no. 2019030009)
Components
Exterior lighting; Exterior lighting: Tail lights
Units affected
12 (estimate)
Problem
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2018 CLA250 and CLA250 4MATIC vehicles. The tail lights and the side marker lights may flicker or fail, affecting the vehicle's visibility.
Risk
Reduced visibility increases the risk of crash.
Remedy
MBUSA will notify owners, and dealers will replace the affected light bulb sockets, free of charge. The recall began April 5, 2019. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2019030009.
Mercedes-Benz USA, LLC (manufacturer recall no. 2018120001)
Units affected
86 (estimate)
Problem
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.
Risk
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.
Recall summaries are written by NHTSA from manufacturers' defect reports. Dates are when NHTSA received the report.
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2018 Mercedes-Benz CLA-Class fuel economy by version
EPA city/highway/combined estimates for each engine, transmission and drive combination. Annual fuel cost is EPA's estimate for 15,000 miles a year (55% city, 45% highway) at EPA's current fuel-price assumptions; your cost will vary.
Source: FuelEconomy.gov (U.S. DOE and EPA), file dated Sep 29, 2026. Each version links to its FuelEconomy.gov record.
EPA estimates come from standardized lab tests so cars can be compared fairly; real-world mileage depends on speed, weather, load, tires and driving style.
2018 Mercedes-Benz CLA-Class crash-test ratings
NHTSA 5-Star Safety Ratings for the tested versions. More stars mean a lower chance of serious injury in that type of crash. Rollover risk is NHTSA's estimated chance of rolling over in a single-vehicle crash.
Source: NHTSA 5-Star Safety Ratings (New Car Assessment Program), checked Oct 26, 2026.
Star ratings compare vehicles of similar size and weight; a frontal rating for a large pickup is not directly comparable with one for a small car.
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2018 Mercedes-Benz CLA-Class owner complaints
Owners have filed 47 complaints with NHTSA about the 2018 Mercedes-Benz CLA-Class, most recently on Oct 13, 2026. 2 mention a crash, 1 a fire, 2 injured people and 0 deaths. These are unverified reports; a complaint is not proof of a defect.
Most-cited components in 2018 Mercedes-Benz CLA-Class complaints
Component named in complaints
Mentions
Unknown or other
11
Electrical system
10
Engine
9
Air bags
7
Structure: Body
5
Power train
4
Air bags: Frontal: Driver clockspring/spiral cassette
2
Communication
2
Seats
2
Steering
2
Source: NHTSA consumer complaint files (complaints received since January 1, 2015). One complaint can name several components.
