2018 Mercedes-Benz Amg E63s problems

Defect

Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2018-2021 E63S AMG, E63S AMG Wagon, 2019-2021 AMG GT63 4-door, and AMG GT63S 4-door vehicles. The starter motor positive cable may not have been installed correctly, potentially allowing the power supply harness wires to chafe.

Consequence

Damaged wires may cause a short circuit and result in a vehicle stall, increasing the risk of a crash. Also, a short circuit can increase the risk of a fire.

Remedy

MBUSA will notify owners, and dealers will inspect and, as necessary, correct the screw connections and position of the positive cable, free of charge. Owner letters were mailed May 18, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2021040013.

Defect

Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2018-2019 E63 AMG 4MATIC, E63S AMG 4MATIC Wagon, S63 AMG Cabrio 4MATIC, S63 AMG Coupe 4MATIC, and S63 AMG 4MATIC and 2019 G63 AMG 4MATIC, AMG GT63 4MATIC, AMG GT63S 4MATIC vehicles equipped with 4.0L 8-cylinder gasoline turbocharged engines. The oil feed line to the turbocharger may leak.

Consequence

An oil leak in the presence of an ignition source such as hot engine or exhaust components can increase the risk of a fire.

Remedy

MBUSA will notify owners, and dealers will replace the oil feed line to the turbocharger, free of charge. The recall began March 20, 2020. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2020020023.

Defect

Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2018 E400 Wagon 4MATIC, E400 4MATIC, E43 AMG 4MATIC, 2018-2019 E63S AMG 4MATIC Wagon, E63 AMG 4MATIC Wagon, E300, E300 4MATIC, GLC63S Coupe AMG 4MATIC, 2019 CLS450, CLS450 4MATIC, CLS53 AMG 4MATIC, E450 Wagon, E53 AMG 4MATIC, GLC300, GLC63 AMG Coupe 4MATIC, G550 4MATIC, G63 AMG, GLC300 Coupe 4MATIC, GLC300 4MATIC, GLC350e 4MATIC, GLC43 AMG Coupe 4MATIC, GLC43 AMG 4MATIC, GLC63 AMG 4MATIC, GT63 AMG four-door 4MATIC, and GT63S AMG four-door 4MATIC vehicles. Although correctly fastened, the front seat belts may be inaccurately detected as being unfastened, which may cause the electric PRE-SAFE®-function and the pretensioner to be deactivated.

Consequence

The electric PRE-SAFE®-function and the seat belt pretensioners may not deploy during a crash, increasing the risk of injury.

Remedy

MBUSA will notify owners, and dealers will inspect the front seat belt buckles, replacing them as necessary, free of charge. The recall began March 13, 2020. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2020020017.

Defect

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2018 Mercedes-Benz E63S AMG 4MATIC vehicles. The front passenger seat can be adjusted beyond its intended limit.

Consequence

If the passenger seat is adjusted beyond its intended limit, the occupant may have an increased risk of injury in the event of a crash.

Remedy

MBUSA will notify owners, and dealers will inspect the adjustment range, and if needed, install a mechanical adjustment range limitation or update the seat control unit software, free of charge. The recall began October 31, 2018. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2018090013.

Defect

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2018 Mercedes-Benz E300, E300 4Matic, E43 AMG 4Matic, E400 4Matic, E63S AMG 4Matic+, and 2019 CLS450 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 November 26, 2018. Owners may contact MBUSA customer service at 1-800-367-6372.

Defect

Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2018 Mercedes Benz C43 AMG, C63S AMG, E63 S AMG Sedan, and E63S AMG Stationwagon vehicles fitted with AMG performance seats. The backrest rail and backrest fitting may not be properly welded on the driver and front passenger seats.

Consequence

The incorrect welding may result in the seats failing in the event of a crash, increasing the risk of injury.

Remedy

MBUSA will notify owners, and dealers will inspect the welds of the backrest frames, replacing the backrests as necessary, free of charge. The recall is expected to begin May 4, 2018. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2018060001.