Mercedes-Benz GLS-Class (X167)
Maintenance specs for 2 variants of the Mercedes-Benz GLS-Class (X167) — from 2020 to 2026.
2020–2026 Mercedes-Benz GLS-Class (X167)
3.0L Turbo I6 + EQ Boost (M256) · AWD (4MATIC)
362 hp / 369 lb-ft
Transmission
Type9-Speed Automatic (9G-TRONIC)
FluidMB 236.17
Drain & fill7 qt
Full capacity9.5 qt
Power Steering
TypeElectric (no fluid)
Differentials
Front fluidMB 235.74
Front capacity1.6 qt
Rear fluidMB 235.74
Rear capacity2.2 qt
Transfer Case
FluidMB 236.13
Capacity1.2 qt
Fuel
Tank24.6 gal
TypePremium 91
Service Intervals
Oil change10,000 mi
Trans service60,000 mi
Coolant flush60,000 mi
Brake fluid20,000 mi
Spark plugs60,000 mi
Timingchain (no scheduled replacement)
Air filter30,000 mi
Cabin filter20,000 mi
Drive belt60,000 mi
2020–2026 Mercedes-Benz GLS-Class (X167)
4.0L Twin-Turbo V8 (M176) · AWD (4MATIC)
483 hp / 516 lb-ft
Transmission
Type9-Speed Automatic (9G-TRONIC)
FluidMB 236.17
Drain & fill7 qt
Full capacity9.5 qt
Power Steering
TypeElectric (no fluid)
Differentials
Front fluidMB 235.74
Front capacity1.6 qt
Rear fluidMB 235.74
Rear capacity2.2 qt
Transfer Case
FluidMB 236.13
Capacity1.2 qt
Fuel
Tank24.6 gal
TypePremium 91
Service Intervals
Oil change10,000 mi
Trans service60,000 mi
Coolant flush60,000 mi
Brake fluid20,000 mi
Spark plugs60,000 mi
Timingchain (no scheduled replacement)
Air filter30,000 mi
Cabin filter20,000 mi
Drive belt60,000 mi