Real MPG: Mercedes-Benz SL (2012 - 2020) SL 400
.jpg?width=310&height=175&rmode=crop)
Submit your Real MPG
33.6–36.7
Official MPG(NEDC)
28.8
Official MPG(WLTP)
27.5–30.4
Real MPG
28.6
Real MPGAverage
81%
of Official MPG(NEDC)
99%
of Official MPG(WLTP)
More engines available for this model:
| Engine | Official MPG (NEDC) | Official MPG (WLTP) | Real MPG Avg. | Real MPG % | |
| SL 350 | 37.7–39.2 mpg | - | 33.6 mpg | 87% | |
| SL 400 Mille Miglia | 36.7 mpg | - | - | - | |
| SL 500 | 28.8–31.0 mpg | 26.4 mpg | 26.9 mpg | 102%* | |
| SL 500 Mille Miglia | 31.0 mpg | - | - | - | |
| SL 63 AMG | 24.1–28.8 mpg | - | - | - | |
| SL 65 AMG | 23.7–24.4 mpg | - | - | - |
Read the Honest John review...
Mercedes-Benz SL (2012 - 2020)
Impressively refined with a smooth ride. Metal folding roof means it's as quiet as a coupe. AMG versions are brutally fast.
Rivals
| Mercedes-Benz SL (2012 - 2020) | 31.0 | avg mpg |
| Porsche Boxster (2012 - 2016) | 30.7 | avg mpg |
| BMW 6 Series Convertible (2011 - 2018) | 35.7 | avg mpg |
| MINI Roadster (2012 - 2015) | 40.4 | avg mpg |
.jpg?width=300&height=160&rmode=crop)
.jpg?width=300&height=160&rmode=crop)
