Visibility: defroster/defogger/hvac systemRecall 23V-177 · Mercedes-Benz vehicles
Mercedes-Benz USA, LLC recall 23V-177 covers 61,450 Mercedes-Benz vehicles for a visibility: defroster/defogger/hvac system problem, reported to NHTSA on March 17, 2023. The manufacturer's latest report (2025 Q1) shows 86% of affected vehicles repaired.
Source: NHTSA recall 23V177000 and manufacturer quarterly reports. Started by the manufacturer.
The problem
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020-2021 GLE350, GLE450, GLS450, GLS580, 2021 AMG GLE53, AMG GLE63, Maybach GLS600, AMG GLS63, and 2020 GLE580 vehicles. The air conditioner drain hoses may have been incorrectly installed, causing water to drain into the passenger compartment.
The risk
Water intrusion into the foot wells may cause corrosion and/or short circuits to electrical components, increasing the risk of fire. In addition, the emergency call (eCall) feature may be disabled and the doors may not unlock, increasing the risk of injury. Also, the engine may not start or may enter a limp-home mode, increasing the risk of a crash.
The fix
Dealers will inspect and reinstall the air conditioner drain hoses, as necessary, free of charge. Owner notification letters were mailed April 28, 2023. Owners may contact MBUSA customer service at 1-800-367-6372. This recall is an expansion of recall numbers 21V-288 and 19V-587. MBUSA's numbers for this recall are 2023030014 and 15.
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
86%repaired
Share of affected vehicles repaired in each quarterly report the manufacturer filed with NHTSA.