Fluid · Automatic Transmission
Automatic Transmission
for 2026 Mercedes-Benz GLS63 AMG 4.0L V8 BiTurbo M177 · AWD
Fluid Type
MB 9-speed MCT ATF
Spec: MB 236.17
Capacity
19qt
17.97 L
Drain & Refill
8.5 qt
8.04 L
Change Interval
80,000 mi
128,720 km
Data quality
Book-style estimate
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Notes
AMG Speedshift MCT 9G transmission; full capacity requires special fill procedure