Service A / Service B
About 25,000 km or 1 year (ASSYST)
25 000 km
12 months
Oil and filter at each service; Service B adds filters and wider checks. The ASSYST indicator prevails.
Source [1]X167 · 2020–…
Mercedes-AMG GLS 63 GLS 63 AMG 4MATIC+ X167 · 612 hp (2020 to date)
The Mercedes-AMG GLS 63 GLS 63 AMG 4MATIC+ of the X167 generation uses the M177 4.0 V8 AMG petrol engine with 612 hp.
Choose an engine
Identify the car and prepare its maintenanceTechnical specifications
- Fuel
- Petrol
- Power
- 612 PS / 450 kW
- Displacement
- 3 982 cm³
- Cylinders
- 8
- Engine code
- M177 4.0 V8 AMG
- Period covered
- 2020–…
- Documented market
- Europe
Transmission
- Automatic · 9 speeds
Figures apply to the cited configuration and market; equipment and transmissions may vary by production date.
Specification source : [1] AutoKarnet
This version
612 hp (450 kW), 4MATIC all-wheel drive, 9-speed automatic. Built from 2020 to date. 48 V mild hybrid: a small starter-generator assists the engine when pulling away and accelerating; the 48 V battery needs no routine maintenance.
AutoKarnet advice
In the range
It is the only petrol version of this generation. The M177 4.0 V8 AMG engine is also fitted to: Mercedes-AMG C 63 (W205), Mercedes-AMG E 63 (W213), Mercedes-AMG S 63 (W222), Mercedes-AMG GLC 63 (X253), Mercedes-AMG GLE 63 (GLE W167), Mercedes-AMG G 63 / G 65 (W463 (2018)).
AutoKarnet advice
Maintenance and records
Brake fluid
Every 24 months
24 months
Time-based replacement, whatever the mileage.
Source [1]Questions about this version (2)
Which engine is in the Mercedes-AMG GLS 63 GLS 63 AMG 4MATIC+ X167?
The M177 4.0 V8 AMG petrol engine (3 982 cc), 612 hp (450 kW).
AutoKarnet advice
Which oil for the Mercedes-AMG GLS 63 GLS 63 AMG 4MATIC+?
A MB 229.5 / 229.51 / 229.52-approved oil suited to the M177 4.0 V8 AMG engine.
AutoKarnet advice
Documentary sources
- [1] Rédaction AutoKarnet
AutoKarnet · FR · Europe · Synthèse éditoriale AutoKarnet · Accessed 09/10/2026