Recommended Engine Oil for the Mercedes-Benz GLS. How Much Do You Need?

We analyzed official data on Mercedes-Benz GLS engine oil for 1 generation and 11 modifications produced from 2015 to 2024 and figured out the optimal liquids.


The GLS Generations
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GLS X166 (2015-2024)

Engine Capacity Change interval Oil type
GLS 350 d 4MATIC 166.823/824 8 L 10000 miles/ 12 months 5W-40, 5W-30, 0W-30
GLS 350 d 4MATIC 166.823/824 8 L 25000 km 5W-30
GLS 350 d 4MATIC 166.823/824 8 L 25000 km 5W-40, 5W-30, 0W-30
GLS 400 4MATIC 166.856 7 L 25000 km 0W-40, 5W-40
GLS 450 4MATIC 166.864 6,5 L 10000 miles/ 12 months 0W-40, 5W-40
GLS 450 4MATIC 166.864 7 L 25000 km 0W-40, 5W-40
GLS 500 4MATIC 166.871/873 8,5 L 25000 km 0W-40, 5W-40
GLS 550 4MATIC 166.873 8,5 L 10000 miles/ 12 months 0W-40, 5W-40
GLS 550 4MATIC 166.873 8,5 L 25000 km 0W-40, 5W-40
GLS 63 AMG 4MATIC 166.875 8,5 L 10000 miles/ 12 months 0W-40, 5W-40
Mercedes-AMG GLS 63 4MATIC 166.875 8,5 L 20000 km 0W-40, 5W-40
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