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Mercedes-AMG GLS 63 X166 (2015 to 2019)
The Mercedes-AMG GLS 63 X166 was built from 2015 to 2019. Choose your engine: each page gives the engine, the output and what to know for servicing.
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Engines
GLS 63 AMG 4MATIC: M157 5.5 V8 AMG, 585 hp (430 kW), 2015 to 2019
Maintenance
ASSYST indicator: it alternates between Service A (oil change and checks) and Service B (more extensive, with filters and brake fluid). On recent European models, expect about 25,000 km or 1 year between services; older cars with flexible ASSYST could go up to 2 years. MB 229.5 / 229.51 / 229.52 approved oil depending on the engine. Brake fluid every 2 years.