Real MPG: Mercedes-Benz S-Class (2006 - 2014) S65 AMG L
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                                19.5–19.8
                            
                            Official MPG(NEDC)
19.8–30.0                            
                            Real MPG
                        
                                24.9
                            
                            Real MPGAverage
                                    127%
                                
                                of Official MPG(NEDC)
More engines available for this model:
| Engine | Official MPG (NEDC) | Official MPG (WLTP) | Real MPG Avg. | Real MPG % | |
| S280 | 27.7 mpg | - | - | - | |
| S320 CDI | 34.0 mpg | - | 32.1 mpg | 94% | |
| S320 CDI L | 34.0 mpg | - | 32.5 mpg | 95% | |
| S350 | 28.2 mpg | - | 24.1 mpg | 86% | |
| S350 BlueEfficiency | 37.2 mpg | - | 35.8 mpg | 96% | |
| S350 BlueEfficiency L | 36.7 mpg | - | 28.8 mpg | 78% | |
| S350 BlueTec | 45.6 mpg | - | 39.5 mpg | 87% | |
| S350 CDI BlueEfficiency | 37.2 mpg | - | 34.9 mpg | 94% | |
| S350 CDI BlueEfficiency L | 36.7 mpg | - | 33.0 mpg | 90% | |
| S350 L | 28.2 mpg | - | 24.7 mpg | 87% | |
| S500 | 33.6 mpg | - | 22.2 mpg | 66% | |
| S500 BlueEfficiency L | 30.1 mpg | - | - | - | |
| S500 L | 25.4 mpg | - | 23.9 mpg | 94% | |
| S600 L | 20.0 mpg | - | 18.5 mpg | 93% | |
| S63 AMG | 19.4 mpg | - | - | - | |
| S63 AMG L | 19.5–26.9 mpg | - | 19.0 mpg | 82% | 
Read the Honest John review...
Mercedes-Benz S-Class (2006 - 2014)
                Wonderfully luxurious. High-class cabin. Superb refinement on the move. The best looking saloon this size. Improved again from 2010.
            
        
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