Real MPG: Mercedes-Benz SLC (2016 - 2020)
Folding metal hard-top roof offers security and refinement, performance AMG SLC 43 delivers pace to worry Porsche, optional Airscarf allows open-top motoring even when temperature drops.
Boot space is heavily compromised by lowering the roof, ride quality is harsh on all models, and worse with AMG suspension, dated dashboard betrays the age of the car underneath.
Select engine for more Real MPG information:
| Engine | Official MPG (NEDC) | Official MPG (WLTP) | Real MPG Avg. | Real MPG % | |
| AMG SLC 43 | 34.5–36.2 mpg | - | 34.0 mpg | 96% | |
| SLC 180 | 44.1–44.8 mpg | - | 33.5 mpg | 75% | |
| SLC 200 | 40.4–43.5 mpg | 40.4 mpg | 32.8 mpg | 81%* | |
| SLC 200 Automatic | 42.2–47.9 mpg | 40.4 mpg | 36.5 mpg | 90%* | |
| SLC 250 d Automatic | 70.6 mpg | - | 48.9 mpg | 69% | |
| SLC 300 Automatic | 40.4 mpg | 37.2 mpg | 36.1 mpg | 97%* | |
| SLC 43 AMG | - | 32.5 mpg | - | -* |
Read the Honest John review...
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Mercedes-Benz SLC (2016 - 2020)
Folding metal hard-top roof offers security and refinement, performance AMG SLC 43 delivers pace to worry Porsche, optional Airscarf allows open-top motoring even when temperature drops.
Rivals
| Mercedes-Benz SLC (2016 - 2020) | 40.3 | avg mpg |
| Fiat 124 Spider (2016 - 2018) | 40.0 | avg mpg |
| Porsche 718 Boxster (2016 on) | 32.1 | avg mpg |
| Audi A5 Cabriolet (2017 - 2022) | 36.0 | avg mpg |
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