Real-world fuel economy

Mercedes-Benz Real MPG by model

Real-world fuel economy for 38 Mercedes-Benz models, reported by owners and set against the official figure engine by engine, from 13,090 submissions. Pick a model for the full engine table and to add your own figure.

Mercedes-Benz A-Class
2005–on · 64 engines with real-world data
45.5mpg
1,194 submissions
Mercedes-Benz B-Class
2005–on · 27 engines with real-world data
46.4mpg
540 submissions
Mercedes-Benz C-Class
2000–on · 136 engines with real-world data
42.0mpg
4,233 submissions
Mercedes-Benz CLA
2013–on · 23 engines with real-world data
40.6mpg
261 submissions
Mercedes-Benz CLC
2008–2010 · 9 engines with real-world data
35.6mpg
82 submissions
Mercedes-Benz CLK
2002–2009 · 6 engines with real-world data
32.6mpg
209 submissions
Mercedes-Benz CLK-Class
2002–2009 · 7 engines with real-world data
32.7mpg
184 submissions
Mercedes-Benz CLS
2005–2023 · 24 engines with real-world data
37.6mpg
463 submissions
Mercedes-Benz e class
2002–on · 108 engines with real-world data
41.6mpg
2,811 submissions
Mercedes-Benz G-Class
2010–on · 3 engines with real-world data
19.6mpg
17 submissions
Mercedes-Benz GL
2006–2013 · 4 engines with real-world data
22.7mpg
42 submissions
Mercedes-Benz GL-Class
2006–2013 · 4 engines with real-world data
23.0mpg
31 submissions
Mercedes-Benz GLA
2013–on · 17 engines with real-world data
39.8mpg
254 submissions
Mercedes-Benz GLB
2019–on · 3 engines with real-world data
39.7mpg
10 submissions
Mercedes-Benz GLC
2015–2023 · 18 engines with real-world data
38.1mpg
430 submissions
Mercedes-Benz GLE
2015–on · 15 engines with real-world data
29.8mpg
215 submissions
Mercedes-Benz GLS
2013–on · 4 engines with real-world data
24.6mpg
32 submissions
Mercedes-Benz ML-Class
2005–2015 · 12 engines with real-world data
29.5mpg
322 submissions
Mercedes-Benz R-Class
2006–2013 · 8 engines with real-world data
27.8mpg
43 submissions
Mercedes-Benz S-Class
2006–on · 24 engines with real-world data
33.4mpg
262 submissions
Mercedes-Benz sl
2008–on · 10 engines with real-world data
26.6mpg
83 submissions
Mercedes-Benz SL-Class
2008–2012 · 5 engines with real-world data
23.6mpg
36 submissions
Mercedes-Benz SLC
2016–2020 · 6 engines with real-world data
40.5mpg
62 submissions
Mercedes-Benz SLK
2004–2016 · 15 engines with real-world data
35.0mpg
518 submissions
Mercedes-Benz SLK-Class
2004–2011 · 8 engines with real-world data
29.7mpg
144 submissions
Mercedes-Benz Sprinter
2006–2018 · 17 engines with real-world data
29.3mpg
269 submissions
Mercedes-Benz Viano
2003–2015 · 7 engines with real-world data
30.4mpg
70 submissions
Mercedes-Benz Vito
2003–2024 · 16 engines with real-world data
34.4mpg
171 submissions

Other Mercedes-Benz models

Models where too few engines have real-world figures for a page of their own. The data we hold is here rather than lost.

Mercedes-Benz A45 AMG
2013–2018
27.1mpg
19 submissions
Engines and official figures
Mercedes-Benz A45 AMG (2013–2018)
  • A45 AMG: official 38.7–40.9 mpg, real 27.1 mpg (68%)
Mercedes-Benz AMG
2014–2023
20.2mpg
5 submissions
Engines and official figures
Mercedes-Benz AMG GT (2014–2023)
  • 4.0 V8 462: official 30.4 mpg, real 16.5 mpg (54%)
  • 4.0 V8 476: official 23.0 mpg
  • 4.0 V8 476 Roadster: official 24.8–30.1 mpg
  • 4.0 V8 510 S: official 30.1 mpg, real 22.7 mpg (75%)
  • 4.0 V8 522: official 24.7 mpg
  • 4.0 V8 525 Roadster: official 24.6 mpg
  • 4.0 V8 557 C: official 22.6–24.8 mpg
  • 4.0 V8 557 C Roadster: official 22.6–24.8 mpg
  • 4.0 V8 557 Roadster C: official 24.8 mpg
  • 4.0 V8 585 R: official 22.1 mpg
  • 4.0 V8 585 R Roadster: official 22.6 mpg
  • 6.3 V8: official 21.4 mpg
Mercedes-Benz AMG 4-Door
2019–on
official figures only
Engines and official figures
Mercedes-Benz AMG GT 4-Door (2019–on)
  • 4.0 V8 PHEV: official 35.8 mpg
  • AMG 63: official 21.4 mpg
  • AMG 63 S: official 21.4 mpg
Mercedes-Benz Citan
2013–2021
50.2mpg
29 submissions
Engines and official figures
Mercedes-Benz Citan (2013–2021)
  • 1.2: official 46.3 mpg, real 44.0 mpg (95%)
  • 1.5 CDI: official 56.0–65.7 mpg, real 50.9 mpg (84%)
Mercedes-Benz CL-Class
2007–2014
20.9mpg
35 submissions
Engines and official figures
Mercedes-Benz CL-Class (2007–2014)
  • CL500: official 23.0–29.4 mpg, real 23.1 mpg (88%)
  • CL55 AMG: official 21.0 mpg
  • CL600: official 21.1 mpg
  • CL63 AMG: official 19.5–26.9 mpg, real 15.2 mpg (66%)
  • CL65 AMG: official 19.5–19.8 mpg
Mercedes-Benz E-Class All-Terrain
2017–2020
34.1mpg
5 submissions
Engines and official figures
Mercedes-Benz E-Class All-Terrain (2017–2020)
  • E 350 d 4Matic Automatic: official 41.5–42.8 mpg, real 34.1 mpg (81%)
Mercedes-Benz Marco Polo
2017–on
official figures only
Engines and official figures
Mercedes-Benz Marco Polo (2017–on)
  • V 220 d Marco Polo: official 44.8 mpg
  • V 250 d Marco Polo: official 44.1 mpg
Mercedes-Benz SLR McLaren
2003–2009
official figures only
Engines and official figures
Mercedes-Benz SLR McLaren (2003–2009)
  • SLR Coupe: official 19.5 mpg
  • SLR Roadster: official 19.5 mpg
Mercedes-Benz SLS AMG
2010–2015
15.9mpg
5 submissions
Engines and official figures
Mercedes-Benz SLS AMG (2010–2015)
  • SLS AMG Roadster: official 21.4 mpg
Mercedes-Benz V-Class
2015–on
33.4mpg
4 submissions
Engines and official figures
Mercedes-Benz V-Class (2015–on)
  • V 220 d: official 37.2 mpg
  • V 220 d Extra Long: official 37.2 mpg, real 33.4 mpg (90%*)
  • V 220 d Long: official 37.2 mpg
  • V 250 d: official 44.8 mpg
  • V 250 d Extra Long: official 44.8 mpg, real 35.9 mpg (80%)
  • V 300 d: official 36.2 mpg
  • V 300 d Extra Long: official 36.2 mpg
  • V 300 d Long: official 36.2 mpg

Where the Mercedes-Benz figures come from

Rebuilt from the archived Honest John Real MPG dataset after the site closed in 2026, with the official NEDC and WLTP figures kept alongside the owner-reported averages, plus new submissions from CarAdCheck readers. Each model page links to the archived page it was built from.

CarAdCheck is not affiliated with Honest John or Volkswagen Financial Services. How we rebuilt Real MPG.

Before you go and see it

Whichever Mercedes-Benz you settle on, these are the checks worth doing before you go and look at it.

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