2018 Mercedes-Benz AMG C43 Problems, Recalls & Reliability
Verdict
AvoidComplaint Index
75/100
#3 most-complained of 9 AMG C43 years
The 2018 Mercedes-Benz AMG C43 has a complaint index of 75, ranking 3rd worst out of 9 model years, with 13 complaints and 11 recalls. Suspension, Wheels & Tires issues dominate at 38% of complaints, with a median failure mileage of 7,950.5 miles, giving it an "Avoid" verdict relative to other years.
- Complaints
- 13
- Recalls
- 11
- Crashes / fires
- 0 / 0
- Injuries / deaths
- 0 / 0
- NHTSA overall rating
- Not rated
- EPA combined MPG
- 22
- 20 city / 27 hwy
Top 2018 Mercedes-Benz AMG C43 problems
NHTSA owner complaints by component group. Groups with 15+ complaints have their own page.
- Other5 (38%)
- Suspension, Wheels & Tires5 (38%)
- Transmission & Powertrain2 (15%)
- Electrical System1 (8%)
- Engine1 (8%)
- Seat Belts1 (8%)
- Structure & Body1 (8%)
- Visibility & Wipers1 (8%)
What owners report
- Owners report the transmission's internal pressure control valve failing at very low mileage, causing metal shavings to appear in the transmission pan.
- Front and rear tires reportedly go flat or blow out repeatedly, with some owners replacing tires multiple times within months of purchase.
- Tire sidewalls are described as tearing or ripping even at low mileage, raising safety concerns about the OEM tires fitted to the car.
- Owners describe delays in getting parts for the electrical communication module recall repair.
- Front seat belts reportedly fail to fully retract to their stowed position, and some owners say dealers declined to fix it.
- The rear window bonding is reported to fail on convertible models, causing the window to detach and develop hairline cracks.
2018 Mercedes-Benz AMG C43 recalls
11 NHTSA recall campaigns list this model year.
- NHTSA 23V854000Dec 15, 2023Structure & Body2,976 vehicles
Structure:body:roof and pillars
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.
- NHTSA 21V197000Mar 19, 2021Structure & Body15,096 vehicles
Structure:body:roof and pillars
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.
- NHTSA 21V058000Feb 5, 2021Other1,292,258 vehiclesOver-the-air fix
Communication: auto crash notification
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.
2018 Mercedes-Benz AMG C43 fuel economy and fuel cost
- City
- 20 MPG
- Highway
- 27 MPG
- Combined
- 22 MPG
- Annual fuel cost (EPA)
- $3,650
- 15,000 mi/yr
- Fuel
- Premium
- Current regular gas
- $4.32/gal
- national avg.
EPA figures; median across configurations of this model year. Estimate your own cost with the fuel cost calculator.
2018 compared with other AMG C43 years
Frequently asked questions
- Is the 2018 Mercedes-Benz AMG C43 reliable?
- Compared to other AMG C43 model years, the 2018 ranks 3rd worst out of 9, with a complaint index of 75 and 13 NHTSA complaints. It carries an "Avoid" verdict relative to other years of this model.
- What are the most common problems with the 2018 AMG C43?
- Suspension, Wheels & Tires issues make up 38% of complaints, the largest problem area, with a median failure mileage of 7,950.5 miles. Transmission & Powertrain issues follow at 15% of complaints.
- How many recalls does the 2018 AMG C43 have?
- NHTSA lists 11 recalls for the 2018 AMG C43, covering areas including Structure & Body, Seat Belts, Electrical System, and Airbags. None of these are do-not-drive recalls.
- Does the 2018 AMG C43 have a seat belt recall?
- Yes, recall 21V032000 covers 2017-2021 C300 and 2017-2020 AMG C43 and AMG C63 vehicles because front seat belts might not fully retract to their stowed position.
- How does the 2018 AMG C43 compare to the 2017 model year?
- The 2017 AMG C43 has a higher complaint index of 100 with 23 complaints, ranking worse than the 2018's index of 75 with 13 complaints, though both carry "Avoid" verdicts.