Real MPG: Mercedes-Benz E-Class Coupe (2017 - 2023)
Select engine for more Real MPG information:
| Engine | Official MPG (NEDC) | Official MPG (WLTP) | Real MPG Avg. | Real MPG % | |
| AMG E 53 | 32.5 mpg | 30.1 mpg | 26.6 mpg | 88%* | |
| AMG E 53 EQ Boost | - | 30.4 mpg | - | -* | |
| E 220 d Automatic | 56.5–61.4 mpg | 48.7 mpg | 46.6 mpg | 96%* | |
| E 220 d Automatic 4Matic | 53.3 mpg | - | 42.9 mpg | 81% | |
| E 220 d Automatuc | - | 48.7 mpg | - | -* | |
| E 300 | 40.4 mpg | - | - | - | |
| E 300 Automatic | 35.8 mpg | - | - | - | |
| E 300 d Automatic | - | 41.5–47.9 mpg | - | -* | |
| E 300 d EQ Boost | - | 42.8 mpg | - | -* | |
| E 300 EQ Boost | - | 35.3 mpg | - | -* | |
| E 350 Automatic | 40.9 mpg | 32.1 mpg | 36.2 mpg | 113%* | |
| E 350 d Automatic 4Matic | 42.8 mpg | - | 29.5 mpg | 69% | |
| E 400 | 33.6 mpg | - | - | - | |
| E 400 Automatic 4Matic | 33.6 mpg | - | 26.9 mpg | 80% | |
| E 400 d 4Matic Automatic | 47.1 mpg | 38.2 mpg | 41.6 mpg | 109%* | |
| E 400 d Automatic | - | 39.2 mpg | - | -* | |
| E 450 4Matic Automatic | 32.1 mpg | 29.1 mpg | 22.2 mpg | 76%* | |
| E 450 EQ Boost | - | 35.3 mpg | - | -* | 
Read the Honest John review...
Mercedes-Benz E-Class Coupe (2017 - 2023)
                High quality interior is packed with tech, six-cylinder petrol and diesel engines deliver serious performance, unusually spacious and practical for a coupe.
            
        Rivals
| Mercedes-Benz E-Class Coupe (2017 - 2023) | 39.1 | avg mpg | 
| BMW M2 (2016 - 2021) | 25.8 | avg mpg | 
| Porsche 718 Cayman (2016 on) | 32.4 | avg mpg | 
| Lexus LC (2017 - 2024) | 31.2 | avg mpg | 
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