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2020 Mercedes-Benz AMG GLC43, 2020 Mercedes-Benz AMG GLC63, 2020 Mercedes-Benz GLC 300 and 1 other model Recall: Power steering control unit wiring harness may have been damaged during…

NHTSA campaign 20V651000 · Steering · filed Oct 23, 2020 · verified Jul 30, 2026

Units reported
3K
Manufacturer
Mercedes-Benz USA, LLC.
Risk
Fire
Owner letters
Mailing began Dec 11, 2020

The defect

Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2020 GLC300, GLC350e, GLC43 AMG, and GLC63 AMG vehicles. The power steering control unit wiring harness may have been damaged during the production process, possibly resulting in a loss of power steering assist or an electrical short-circuit.

The risk

A loss of power steering assist can increase the risk of a crash. Additionally, If the wiring harness short-circuits, there is an increased risk of a fire.

Check whether your specific vehicle is affected

Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.

Check VIN on NHTSA →

The fix — what to do

MBUSA will notify owners, and dealers will inspect the wiring harness, and replace it if necessary, free of charge. The recall began December 11, 2020. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2020110012.

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.

Affected vehicles

Related recalls

All Mercedes-Benz AMG GLC43 recalls → · All Mercedes-Benz recalls →

Source: NHTSA recall database, campaign 20V651000 (manufacturer number 2020110012). Data last verified Jul 30, 2026.