NHTSA campaign 20V776000 · Manufacturer campaign 2021010006

Mercedes Benz Recall 20V-776: Starter Power Supply Cable Installed Incorrectly

NHTSA recall 20V776000 (Manufacturer campaign 2021010006) was reported by Mercedes-Benz USA, LLC on December 11, 2020, with 2,563 vehicles potentially affected (per NHTSA). NHTSA's record lists the Mercedes Benz AMG GLC63 for model years 2018–2020. Owners were notified on March 18, 2021, per NHTSA.

Updated daily from NHTSA's recall files

Is my vehicle included?

This page lists, by model year, the vehicles NHTSA's recall record names for campaign 20V776000 in the model years try.vin imports (1995 and later); NHTSA's own record can list more. A model year on the list doesn't mean every vehicle of that year is included, and some may already have been repaired.

To see whether a specific vehicle is included and still needs the repair, enter its VIN at nhtsa.gov/recalls.

Mercedes Benz VIN check: decode a VIN to see its year, make and model.

Key facts

NHTSA campaign
20V776000 (also written 20V-776 or 20V776)
Filed by
Mercedes-Benz USA, LLC
Manufacturer campaign number
2021010006
Report received
Potentially affected
2,563 vehicles (per NHTSA)
Component
Electrical System — Starter Assembly
Owners notified

Repair completion: 96.18% (latest rate the manufacturer reported to NHTSA; dataset updated October 21, 2026)

NHTSA cautions against comparing completion rates across recalls or manufacturers. How try.vin reads them.

Vehicles listed for this recall

NHTSA's recall record lists these vehicles for recall 20V776000. try.vin imports model years 1995 and later, so NHTSA's own list can be longer. Model years with a try.vin recall page link to it. Build dates are NHTSA's range for a model year (per NHTSA); a vehicle built in that range is not necessarily included.

Mercedes Benz

All Mercedes Benz recalls

NHTSA's recall notice

As NHTSA's recall record states it for campaign 20V776000.

Defect description

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2018-2020 AMG GLC 63 4MATIC vehicles. The power supply cable on the starter might not have been installed correctly, possibly allowing the cable to chafe against the starter housing and short-circuit.

Safety consequence

If the power supply cable short-circuits, it can result in a stall, increasing the risk of a crash. In addition, a short-circuit can increase the risk of a fire.

Manufacturer remedy

MBUSA will notify owners, and dealers will inspect the starter harness and power supply cable installation, and correct it as necessary, free of charge. The recall began March 18, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2021010006.

Notes

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.

Sources

Official NHTSA notice for recall 20V776000

Campaign details come from NHTSA's recall files, which try.vin imports once a day. The plain-language subject and the completion rate come from the U.S. Department of Transportation's Recalls Data dataset. How try.vin reads recall data.