Real MPG: Mercedes-Benz GLC (2015 - 2021) GLC 300 Automatic
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Official MPG(NEDC)
34.4
Official MPG(WLTP)
31.0–31.7
Real MPG
31.4
Real MPGAverage
91%
of Official MPG(WLTP)
More engines available for this model:
| Engine | Official MPG (NEDC) | Official MPG (WLTP) | Real MPG Avg. | Real MPG % | |
| GLC 220 d | 47.9 mpg | 40.9–45.6 mpg | 39.0 mpg | 90%* | |
| GLC 220 d Automatic 4Matic | 47.9 mpg | - | 43.0 mpg | 90% | |
| GLC 250 | 37.2 mpg | - | 31.0 mpg | 83% | |
| GLC 250 Automatic 4Matic | 37.2–37.7 mpg | - | 29.7 mpg | 79% | |
| GLC 250 d | 46.3 mpg | - | 35.2 mpg | 76% | |
| GLC 250 d Automatic 4Matic | 46.3 mpg | - | 41.7 mpg | 90% | |
| GLC 300 d | - | 39.2 mpg | - | -* | |
| GLC 300 de | - | 148.7 mpg | - | -* | |
| GLC 300 e | - | 128.4 mpg | - | -* | |
| GLC 350 d | 41.5–47.9 mpg | - | 37.1 mpg | 83% | |
| GLC 350 d Automatic 4Matic | 47.9 mpg | - | 36.3 mpg | 76% | |
| GLC 43 AMG | 29.1 mpg | 25.9 mpg | 23.5 mpg | 91%* | |
| GLC 63 AMG | 24.4 mpg | 21.2 mpg | 19.5 mpg | 92%* | |
| GLC 63 AMG S | 23.7 mpg | 21.2–21.7 mpg | 18.0 mpg | 84%* |
Read the Honest John review...
Mercedes-Benz GLC (2015 - 2021)
Excellent refinement and very composed ride quality. Quiet diesel engine. Superb cabin quality. Spacious for rear seat passengers. Capable off-road if need be.
Rivals
| Mercedes-Benz GLC (2015 - 2021) | 38.8 | avg mpg |
| Lexus NX (2014 - 2021) | 37.5 | avg mpg |
| BMW 7 Series (2016 - 2022) | 43.0 | avg mpg |
| Volkswagen Golf GTE (2015 - 2020) | 75.8 | avg mpg |
