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Real MPG: Mercedes-Benz SL (2012 - 2020) SL 350

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37.7–39.2
Official MPG
(NEDC)
28.0–36.6
Real MPG
33.6
Real MPG
Average
87%
of Official MPG
(NEDC)

More engines available for this model:

Engine Official MPG (NEDC) Official MPG (WLTP) Real MPG Avg. Real MPG %  
SL 400 33.6–36.7 mpg 28.8 mpg 28.6 mpg 99%* Submit
SL 400 Mille Miglia 36.7 mpg - - - Submit
SL 500 28.8–31.0 mpg 26.4 mpg 26.9 mpg 102%* Submit
SL 500 Mille Miglia 31.0 mpg - - - Submit
SL 63 AMG 24.1–28.8 mpg - - - Submit
SL 65 AMG 23.7–24.4 mpg - - - Submit
*Based on WLTP MPG values

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
Vauxhall Cascada (2013 - 2018) 40.0 avg mpg
MINI Roadster (2012 - 2015) 40.4 avg mpg
BMW 6 Series Convertible (2011 - 2018) 35.7 avg mpg

View more rival models

Latest submissions

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C-MAX (2010 - 2019)

79%

EcoSport (2014 on)