Real MPG: Mercedes-Benz S-Class Coupe (2014 - 2020)
Luxurious cabin offers supreme comfort, standard air suspension system delivers a cosseting ride, all engine options offer effortless performance.
Running costs are as extravagant as the original list prices, space in the rear is less generous than the car’s size might suggest, sheer size means care is needed on tight city streets.
Select engine for more Real MPG information:
| Engine | Official MPG (NEDC) | Official MPG (WLTP) | Real MPG Avg. | Real MPG % | |
| S 500 | 32.1–33.2 mpg | - | 20.0 mpg | 61% | |
| S 560 | - | 25.7 mpg | - | -* | |
| S 63 AMG | 27.9–28.0 mpg | - | 14.3 mpg | 51% | |
| S 65 AMG | 23.7 mpg | - | - | - |
Read the Honest John review...
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Mercedes-Benz S-Class Coupe (2014 - 2020)
Luxurious cabin offers supreme comfort, standard air suspension system delivers a cosseting ride, all engine options offer effortless performance.
Rivals
| Mercedes-Benz S-Class Coupe (2014 - 2020) | 16.7 | avg mpg |
| Porsche Cayman (2013 - 2016) | 30.5 | avg mpg |
| BMW i8 (2014 - 2020) | 50.1 | avg mpg |
| Ford Mustang (2015 - 2022) | 25.1 | avg mpg |
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