Description
Factory Mercedes-AMG GLS 63 4Matic+ Workshop Manual (2020-2022)
This is the complete factory-level repair reference for the Mercedes-AMG GLS 63 4Matic+ built on the X167 platform – the same technical resource relied upon by authorized Mercedes-Benz dealership technicians across North America.
Powertrain & Drive Coverage
| Component | Variants Covered |
|---|---|
| Petrol | M177 4.0L twin-turbocharged V8 (603 hp) with EQ Boost 48V integrated starter-generator |
| Diesel | N/A |
| Transmissions | AMG Speedshift TCT 9-speed automatic |
| Drive | 4Matic+ AWD |
| Model Years | 2020, 2021, 2022 |
| Badge Twins | N/A |
Common GLS 63 Repairs Covered
| System | Procedures |
|---|---|
| 48V EQ Boost System | Integrated starter-generator diagnosis, belt-alternator starter fault codes, 48V battery service |
| Airmatic Suspension | Air compressor replacement, ride-height sensor calibration, strut seal inspection |
| M177 Turbocharger | Turbo oil feed line inspection, boost pressure diagnostics, wastegate actuator testing |
| AMG Speedshift TCT | Fluid and filter service, conductor plate replacement, adaptation reset procedures |
Format & Delivery
PDF. Instant download; lifetime re-downloads.
Frequently Asked Questions
Does this manual cover the 48V EQ Boost mild hybrid system?
Yes. The manual includes full diagnostic and service procedures for the EQ Boost 48-volt architecture, covering the integrated starter-generator, belt-alternator starter, 48V lithium-ion battery, and the associated power electronics. Wiring schematics and fault code tables for the mild hybrid system are included.
Which chassis code does this GLS 63 use?
The 2020-2022 Mercedes-AMG GLS 63 4Matic+ is built on the X167 platform, which underpins the full-size GLS-Class lineup. This manual covers all X167-based GLS 63 variants sold in the United States during the 2020-2022 model years.
Are wiring diagrams and electrical schematics included?
Yes. Comprehensive electrical diagrams cover the MBUX infotainment network, AMG instrument cluster, CAN bus topology, air suspension control module, ADAS sensor circuits, and complete connector pinout data – giving technicians everything needed for accurate electrical diagnosis.
What format is the manual?
The manual is delivered as a fully searchable PDF, compatible with Windows, Mac, iOS, and Android devices. Individual pages or complete sections can be printed for shop use, and your purchase entitles you to lifetime re-downloads.
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