The 2021 Mercedes-Benz C63 AMG is available in multiple trims, each with its own estimated fuel economy, here are the EPA estimates for each trim:

1. S: 17 MPG City and 26 MPG Highway
2. : 18 MPG City and 27 MPG Highway

It is important to remember factors such as driving style, weather conditions, and the use of features such as Eco mode can impact fuel efficiency.

The Mercedes-Benz C63 AMG received a rating of 2.5 out of 5 stars from RepairPal, which RepairPal describes as Average. This rating ranks the Mercedes-Benz C63 AMG as 59​​ out of 68​​ among Luxury Midsize Car

Here is what's new for the 2021 Mercedes-Benz C63 AMG:

• Skylight(s)
• Leatherette & Cloth