While driving, the vehicle suddenly displayed multiple warning lights across the dashboard, accompanied by the message “Malfunction – Towing Not Permitted.” Shortly afterward, the vehicle lost power and shut down. This incident is extremely concerning because an unexpected loss of power while driving creates a significant safety risk to the driver, passengers, and other motorists. The vehicle was subsequently taken to an authorized Mercedes-Benz dealership for evaluation. Rather than replacing the battery or identifying a specific failed component, the dealership performed software updates. While I appreciate the dealership’s efforts, I am concerned that software updates alone may not address the underlying cause of such a serious failure. I have not received a clear explanation identifying why the vehicle lost power and shut down while in operation. Given the age and value of this vehicle, I expect a higher level of reliability and accountability, particularly when the issue involves a potential safety-related failure.
The worst 2025 Mercedes-Benz AMG S 63 E 4matic+ problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
- Electrical1
Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
- Electrical1
Recalls 2
Service brakes, hydraulic: foundation components
- What is wrong
- Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2022-2025 S 500 4MATIC, Maybach S 580 4MATIC, Maybach S 680 4MATIC, S 580 4MATIC, 2023-2025 S 580 E 4MATIC, and 2024-2025 AMG S 63 E Performance vehicles. The front brake hoses may rupture and leak brake fluid.
- Risk
- A brake fluid leak can extend the distance needed to stop the vehicle, increasing the risk of a crash.
- Remedy
- Dealers will replace the front brake hoses, free of charge. Owner notification letters are expected to be mailed November 27, 2026. Owners may contact MBUSA customer service at 1‑800‑367‑6372. This recall expands previous the federal safety agency recall number 25V116. Vehicle Identification Numbers (VINs) involved in this recall became searchable on on October 9, 2026.
Recall number 26V638000 · Recall details
Electrical system: propulsion system
- What is wrong
- Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2023-2024 AMG GT 63 S E Performance 4-door coupe, 2025 AMG GLC 63 S E Performance, GLC 63 S E Performance Coupe, AMG GT 63 S E Performance, 2023-2025 AMG S 63 E Performance, and 2024-2025 AMG SL 63 S E Performance vehicles with a hybrid powertrain. A software error may cause the high-voltage starter alternator control unit to fail, causing a loss of drive power.
- Risk
- A loss of drive power increases the risk of a crash.
- Remedy
- Dealers will update the high-voltage starter alternator control unit software, free of charge. Owner notification letters were mailed April 11, 2025. Owners may contact MBUSA customer service at 1‑800‑367‑6372. MBUSA's number for this recall is 2025030012.
Recall number 25V129000 · Recall details
See all 2 recalls for the 2025 Mercedes-Benz AMG S 63 E 4matic+
Technical service bulletins for the 2025 Mercedes-Benz AMG S 63 E 4matic+ 178
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Diverse functional limitations in the vehicle in combination with various warning and fault messages in...
- Fuel/propulsion system
- Customer states check engine light ON and potentially reduced power output
- Issue A software update will be performed that provides enhancements to the robustness and system...
- Issue On the subject vehicles, the software of the electronic ignition switch control unit does not...
- Vehicle will not start after DC charging Warning in the instrument cluster related to High‑voltage on...
- Slight creaking noises when steering
- CEL illuminates and/or AC does not blow cold
- A software update will be performed that provides enhancements to the robustness and system stability of...
- Repeat workshop visit for vehicle vibration while braking from 60MPH. NOTE: Although the symptom is...
See all 178 bulletins for the 2025 Mercedes-Benz AMG S 63 E 4matic+
What 2025 Mercedes-Benz AMG S 63 E 4matic+ owners say
Most recent owner complaints, unedited.
Compare the 2025 Mercedes-Benz AMG S 63 E 4matic+
Other model years
2025
Questions about the 2025 Mercedes-Benz AMG S 63 E 4matic+
Is the 2025 Mercedes-Benz AMG S 63 E 4matic+ reliable?
Owners have filed 1 complaint about the 2025 Mercedes-Benz AMG S 63 E 4matic+, close to a typical AMG S 63 E 4matic+ model year.
What is the most common problem with the 2025 Mercedes-Benz AMG S 63 E 4matic+?
Electrical system, with 1 complaint.
How many recalls does the 2025 Mercedes-Benz AMG S 63 E 4matic+ have?
2 recalls, covering service brakes, hydraulic and electrical system.
Was there a recall on the 2025 Mercedes-Benz AMG S 63 E 4matic+ electrical?
Yes, 1 recall: 25V129000. Check your VIN to see if your car still needs the free repair.
VIN decoder
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