GLS >2016 |
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| Engine | Original Power | Stage 1 | Difference | Vmax |
| 500 EU6 (4.7T) | 334 kW (455 hp) 700Nm | 368 kW (500 hp) 800Nm | 45 hp | ✓ |
| 63 AMG (5.5T) | 430 kW (585 hp) 760Nm | 485 kW (660 hp) 1100Nm | 75 hp | ✓ |
| 350 BlueTec (3.0) | 190 kW (258 hp) 620Nm | 221 kW (300 hp) 700Nm | 42 hp | ✓ |