Mercedes-Benz GLC 300 4MATIC 嘅 ISG 輕型混能系統令 Start/Stop 自動啟停功能運作得極之平順，引擎重啟時嘅震動幾乎唔會察覺到。此外，Mercedes-Benz GLC 300 4MATIC 支援滑行模式，喺鬆開油門時會暫時熄滅引擎以節省燃油，同時維持車廂各項電子系統運作。
The ISG mild-hybrid system in the Mercedes-Benz GLC 300 4MATIC makes the Start/Stop function operate exceptionally smoothly, with almost imperceptible vibrations. Additionally, the Mercedes-Benz GLC 300 4MATIC supports a gliding mode that temporarily shuts off the engine when coasting to save fuel while maintaining full power to all electronic systems.
