Mercedes C class fuel consumption
Of all Mercedes C class modifications produced from 2000 to 2023 real fuel consumption according to user ratings is approximately 17% higher compared to advertised consumption. Starting from 2000 Mercedes C class average difference between actual owner-reported fuel consumption and stated consumption was slightly above industry average, at 2008 it was less than industry average, at 2013 difference became significantly higher than average and finally at 2018 difference between owner-reported and advertised fuel economy became less than industry average. It is noteworthy during this period that the gap between advertised and actual fuel economy changed significantly throughout the automotive industry. For more details, see the table below.
Year-to-year deviations of actual owner-reported average fuel consumption from advertised values
| Year | Gasoline cars | Diesel cars | ||
|---|---|---|---|---|
| All carmakers | Mercedes C class | All carmakers | Mercedes C class | |
| 2000 | +4% | +6% | +5% | +5% |
| Show all years | ||||
| 2001 | +5% | +8% | +6% | +5% |
| 2002 | +5% | +5% | +7% | +5% |
| 2003 | +6% | +5% | +8% | +5% |
| 2004 | +7% | +5% | +9% | +6% |
| 2005 | +8% | +6% | +10% | +9% |
| 2006 | +9% | +7% | +11% | +12% |
| 2007 | +10% | +9% | +12% | +10% |
| 2008 | +12% | +10% | +13% | +10% |
| 2009 | +13% | +10% | +14% | +10% |
| 2010 | +16% | +10% | +16% | +10% |
| 2011 | +18% | +17% | +20% | +19% |
| 2012 | +20% | +25% | +23% | +24% |
| 2013 | +23% | +32% | +27% | +29% |
| 2014 | +26% | +37% | +30% | +29% |
| 2015 | +27% | +42% | +33% | +41% |
| 2016 | +28% | +44% | +36% | +44% |
| 2017 | +28% | +44% | +36% | +44% |
| 2018 | +27% | +30% | +36% | +28% |
| 2019 | +25% | +19% | +33% | +19% |
| 2020 | +22% | +19% | +31% | +19% |
| 2021 | +20% | +16% | +27% | +16% |
| 2022 | +18% | +4% | +24% | +8% |
| 2023 | +16% | +4% | +22% | +8% |
Select Mercedes C class generation
For detailed fuel economy data, including advertised versus real-world fuel consumption and consumption differences between different engines and transmissions.
Mercedes C class 2021 sedan fuel economy Mercedes C class 2018 - 2021 wagon, sedan fuel economy Mercedes C class 2013 - 2018 wagon, coupe fuel economy Mercedes C class 2011 - 2014 sedan, wagon fuel economy Mercedes C class 2007 - 2011 sedan, coupe, wagon fuel economy Mercedes C class 2004 - 2007 sedan fuel economy Mercedes C class 2001 - 2004 wagon fuel economy Mercedes C class 2000 - 2004 sedan fuel economy
User-reported fuel consumption may not accurately represent all users' experiences due to variables such as driving conditions, driving style, technical condition of the vehicle, and other circumstances. Thus, it should not be relied upon as a representative indicator.