What are the most common Mercedes-Benz EQS problems?
According to Au7o's analysis of 2,260+ owner reports, the 2022-2025 Mercedes-Benz EQS has 9 documented issues. The most frequently reported are: Battery Management System Software Overload Triggers High-Voltage Shutdown (NHTSA 24V372000), Electric Drivetrain Software Fault Causing Sudden Loss of Propulsion (NHTSA 23V405000), Recurring 'Battery Malfunction / Do Not Tow' Warning and Front Motor Interlock Faults. Of these, 3 are rated critical and should be addressed promptly.
Is the Mercedes-Benz EQS reliable?
The 2022-2025 Mercedes-Benz EQS has 9 known issues documented across 2,260+ owner reports. 3 issues are rated critical: Battery Management System Software Overload Triggers High-Voltage Shutdown (NHTSA 24V372000) and Electric Drivetrain Software Fault Causing Sudden Loss of Propulsion (NHTSA 23V405000) and Recurring 'Battery Malfunction / Do Not Tow' Warning and Front Motor Interlock Faults. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
How much does it cost to fix common Mercedes-Benz EQS problems?
Repair costs for known Mercedes-Benz EQS issues range from $0 to $4,000, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Battery Management System Software Overload Triggers High-Voltage Shutdown (NHTSA 24V372000), typically costs $0-$0 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What year Mercedes-Benz EQS is the most reliable?
Reliability varies across model years of the Mercedes-Benz EQS. Based on documented issues, problems are most commonly reported in earlier model years. Au7o recommends checking the specific known issues for your target year before purchasing, and having a pre-purchase inspection performed by a qualified mechanic. Our known issues database covers the 2022-2025 Mercedes-Benz EQS with 9 documented issues documented across 2,260+ owner reports.
What is the 2022-2025 Mercedes-Benz EQS Battery Management System Software Overload Triggers High-Voltage Shutdown (NHTSA 24V372000)?
On a large population of EQ vehicles, continuous diagnostic requests from other onboard control units can overload the battery management system's (BMS) memory capacity. This causes the BMS to open the high-voltage contactors, disconnecting the battery pack from the powertrain an… Repairs typically run $0-$0. Severity: high.
What is the 2022-2023 Mercedes-Benz EQS Electric Drivetrain Software Fault Causing Sudden Loss of Propulsion (NHTSA 23V405000)?
A software error in the electric drivetrain's fault-management logic can deactivate the electric drive unit while driving, causing a sudden loss of drive power. Mercedes-Benz discovered the issue in October 2022 after a field report of an electrical drivetrain malfunction, and is… Repairs typically run $0-$0. Severity: high.
What is the 2022-2024 Mercedes-Benz EQS Recurring 'Battery Malfunction / Do Not Tow' Warning and Front Motor Interlock Faults?
Many EQS and EQS SUV owners report frequent 'Battery Malfunction' and 'Malfunction - Towing is not permitted' (Do Not Tow) dashboard messages, in some cases once or twice a month during the first 20,000 miles. The message appears to be a catch-all for several underlying condition… Repairs typically run $0-$0. Severity: high.
What is the 2022-2025 Mercedes-Benz EQS 12V Auxiliary Battery Drain?
The EQS experiences parasitic 12V battery drain when parked for extended periods, preventing the car from waking up or responding to the key fob. Despite having a massive high-voltage battery, the 12V system powers critical wake-up circuits and can discharge in as little as 7-10… Repairs typically run $150-$500. Severity: medium.
What is the 2022-2025 Mercedes-Benz EQS Rear Axle Steering Calibration Fault?
The optional rear-axle steering system on the EQS can lose calibration, triggering a steering fault warning and defaulting to a reduced turning circle. The issue is typically caused by a software glitch in the rear steering control module rather than a mechanical failure. Severity: medium.
What is the 2022-2025 Mercedes-Benz EQS AIRMATIC Air Suspension Clunks and Premature Rear Shock/Damper Wear?
EQS owners report low-speed clunking over bumps, uneven ride height, and a ride quality that drifts from floaty to harsh as mileage builds, traced to the AIRMATIC air-suspension system (worn sway-bar links, bushings, air struts, or compressor/valve-block degradation). On EQS SUVs… Repairs typically run $600-$3,000. Severity: medium.
What is the 2022-2025 Mercedes-Benz EQS Flush/Retractable Door Handles Fail to Present, Locking Owners Out?
The EQS uses electrically presenting flush door handles that pop out as the driver approaches. Owners widely report handles that fail to extend, require multiple pulls, or do not present at all, occasionally locking the owner out of the car. The handles are not heated and can fre… Repairs typically run $300-$900. Severity: medium.
What is the 2022-2025 Mercedes-Benz EQS MBUX Hyperscreen Freezing, Blackouts and Random Reboots?
The 56-inch MBUX Hyperscreen and central display are a frequent complaint among EQS owners, who report lag, frozen screens, full blackouts and random reboots, especially on early 2022-2023 cars. A frozen Hyperscreen temporarily disables navigation, charge planning, climate contro… Repairs typically run $0-$4,000. Severity: medium.
What is the 2022-2025 Mercedes-Benz EQS Significant Range Degradation in Cold Weather?
EQS owners report range drops of 30-40% in temperatures below 32°F, significantly exceeding the typical 15-20% cold-weather penalty seen in other EVs. The large battery and HVAC system draw heavily on available energy, and the heat pump system underperforms in extreme cold. Severity: low.
