What are the most common Mercedes-Benz EQS problems?
According to Au7o's analysis of 2,260+ owner reports, the 2025 Mercedes-Benz EQS has 8 documented issues. The most frequently reported are: Battery Management System Software Overload Triggers High-Voltage Shutdown (NHTSA 24V372000), 12V Auxiliary Battery Drain, Rear Axle Steering Calibration Fault. Of these, 1 is rated critical and should be addressed promptly.
Is the Mercedes-Benz EQS reliable?
The 2025 Mercedes-Benz EQS has 8 known issues documented across 2,260+ owner reports. 1 issue is rated critical: Battery Management System Software Overload Triggers High-Voltage Shutdown (NHTSA 24V372000). 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 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 2022-2025 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.
What is the 2022-2025 Mercedes-Benz EQS AVAS Software Plays Incorrect External Pedestrian Warning Sound While Reversing (NHTSA 25V366000)?
Filed June 5, 2025, this recall covers 2022-2025 EQS sedans and EQS SUVs (plus EQE, EQE SUV and S-Class) whose Acoustic Vehicle Alerting System software can emit the wrong external pedestrian warning sound in reverse, so the vehicle fails FMVSS 141 minimum-sound requirements for… Repairs typically run $0-$0. Severity: low.
