2025 Mercedes-Benz GLS63 AMG Service and Repair Manual

This factory service and repair manual for the 2025 Mercedes-Benz GLS63 AMG covers the high-performance version of the full-size, three-row sport utility. A twin-turbocharged 4.0-liter V8 with double overhead camshafts works with a 48-volt mild hybrid system, and power goes to all four wheels. The manual covers the engine and its mild hybrid components, the transmission and all-wheel-drive system, the air suspension and chassis, and the electrical systems, with specifications, torque values and wiring diagrams.

Engines covered

• 4.0L V8 mild hybrid — DOHC, turbocharged, gasoline

Body styles covered

• 4-door sport utility

Trims covered

• Base

Known issues on the 2025 GLS63 AMG. NHTSA records one recall for the 2025 GLS63 AMG: the multi-purpose camera and the rearview mirror may not be attached firmly enough to the windshield and can come loose, which reduces the driver's view or takes driver assistance such as Active Lane Keeping Assist and Active Brake Assist offline; dealers replace the windshield and refit the camera and mirror (campaign 25V325000). No owner complaints are recorded. Windshield, camera and driver assistance procedures are covered, with wiring diagrams.