Real MPG: Mercedes-Benz SL-Class (2008 - 2012) SL 350
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Submit your Real MPG
29.1
Official MPG(NEDC)
23.8–29.0
Real MPG
26.1
Real MPGAverage
90%
of Official MPG(NEDC)
More engines available for this model:
| Engine | Official MPG (NEDC) | Official MPG (WLTP) | Real MPG Avg. | Real MPG % | |
| SL 300 | 30.4 mpg | - | 26.4 mpg | 87% | |
| SL 500 | 24.4 mpg | - | 23.7 mpg | 97% | |
| SL 600 | 20.3 mpg | - | - | - | |
| SL 63 AMG | 20.0 mpg | - | 19.5 mpg | 98% | |
| SL 65 AMG | 20.2 mpg | - | 17.9 mpg | 88% | |
| SL55 AMG | 19.3 mpg | - | 18.3 mpg | 95% |
Read the Honest John review...
Mercedes-Benz SL-Class (2008 - 2012)
Great performance from all the engines with SL350 the pick of the bunch, neat folding metal roof.
Rivals
| Mercedes-Benz SL-Class (2008 - 2012) | 23.3 | avg mpg |
| BMW Z4 (2009 - 2016) | 32.2 | avg mpg |
| Audi TT RS (2009 - 2015) | 31.2 | avg mpg |
| Audi A5 Cabriolet (2009 - 2017) | 34.4 | avg mpg |
