2023 Mercedes-Benz EQS Problems: 15 Known Issues
2023 model year · 2,260+ owner reports · Updated September 2026
According to Au7o's analysis of 2,260+ owner reports, the 2023 Mercedes-Benz EQS has 15 documented known issues, with 5 rated critical. The most serious are Electric Drivetrain Software Fault Causing Sudden Loss of Propulsion (NHTSA 23V405000), Recurring 'Battery Malfunction / Do Not Tow' Warning and Front Motor Interlock Faults ($0-$0 repair), Battery Management System Software Overload Triggers High-Voltage Shutdown (NHTSA 24V372000) ($0-$0 repair), Main Fuse Box 80-Amp Fuses Fail, Causing Sudden Loss of Propulsion and Restraint Functions (NHTSA 24V115000 / 25V255000) ($0-$0 repair) and Driving Assistance Software Triggers Unnecessary Automatic Brake Applications Under Overhead Structures ('Phantom Braking'). The most commonly reported issue is Significant Range Degradation in Cold Weather with 1,200 owner reports. Across all issues with published estimates, repair costs range from $150 to $4,000. DIY maintenance guides at au7o.io.