Engine control module (ecu/ecm): softwareRecall 21V-843 · 2021 Mercedes-Benz S 580
Mercedes-Benz USA, LLC recall 21V-843 covers 8,669 2021 Mercedes-Benz S 580 for a engine control module (ecu/ecm): software problem, reported to NHTSA on October 29, 2021. The manufacturer's latest report (2023 Q4) shows 97% of affected vehicles repaired.
Source: NHTSA recall 21V843000 and manufacturer quarterly reports. Started by the manufacturer.
The problem
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 S580 and Maybach S580 vehicles. An engine control unit software error may cause a sudden engine stall, without the ability to restart the vehicle.
The risk
An engine stall can increase the risk of a crash.
The fix
Dealers will update the engine control unit software, free of charge. Owners notification letters were mailed on January 28, 2022. Owners may contact MBUSA customer service at 1-800-367-6372.
Recall repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.
How fast cars are being fixed
97%repaired
Share of affected vehicles repaired in each quarterly report the manufacturer filed with NHTSA.