Description
Factory Mercedes GLS 63 AMG Workshop Manual (2015–2019)
This is the complete factory-level service manual for the Mercedes-Benz GLS 63 AMG (X166 platform), covering every US-market and globally produced unit built between 2015 and 2019. All diagnostics, wiring diagrams, torque specs, and repair procedures are included.
Powertrain & Drive Coverage
| Component | Variants Covered |
|---|---|
| Petrol | AMG M157 5.5L Twin-Turbocharged V8 (577 hp / 561 lb-ft) |
| Diesel | N/A |
| Transmissions | AMG SPEEDSHIFT PLUS 7G-TRONIC 7-speed automatic |
| Drive | AMG Performance 4MATIC AWD |
| Model Years | 2015–2019 |
| Badge Twins | N/A |
Common GLS 63 AMG Repairs Covered
| System | Procedures |
|---|---|
| M157 Turbocharger | Turbo oil feed line inspection and replacement; boost leak diagnosis on twin-turbo system |
| Air Suspension (AIRMATIC) | Air strut replacement, compressor service, and ride-height sensor calibration |
| 7G-TRONIC Transmission | Fluid and filter service, valve body inspection, conductor plate replacement |
| Cooling System | Thermostat and coolant pump replacement; intercooler flush procedures for M157 engine |
Format & Delivery
PDF. Instant download; lifetime re-downloads.
Frequently Asked Questions
What is the known turbocharger issue on the M157 engine and does the manual cover it?
The AMG M157 5.5L V8 has a documented history of turbocharger oil feed line failures that can lead to oil leaks and, in severe cases, turbo damage. This manual includes complete disassembly and reassembly procedures for both turbochargers, oil feed and return line routing specifications, and torque values for all related fasteners.
Is this manual specific to the X166 GLS 63 AMG or does it also cover other GLS variants?
This manual is scoped to the GLS 63 AMG on the X166 platform. While it shares the X166 chassis with the GLS 350d and GLS 550, the AMG-specific content — including M157 engine procedures, SPEEDSHIFT PLUS transmission service, and AMG Performance 4MATIC calibration — is unique to the 63 AMG specification covered here.
Does the manual include AIRMATIC air suspension repair procedures?
Yes. Full AIRMATIC coverage is included, encompassing air strut removal and installation, compressor unit servicing, ride-height sensor replacement, and the diagnostic fault codes associated with the system. Wiring diagrams for the suspension control module are also provided.
What format is the manual?
The manual is delivered as a PDF file available for instant download immediately after purchase. It is fully searchable, compatible with all major operating systems and PDF readers, and can be viewed on desktop computers, tablets, or smartphones. Individual pages or full sections can be printed as needed.
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