See also:

Increased vehicle weight due to optional equipment
This is the combined weight of all standard and optional equipment available for the vehicle, regardless of whether it is actually installed on the vehicle or not. ...

Adaptive backrest (AMG vehicle)
You can adjust the contour of the front seat backrests individually so as to provide optimum support for your back. Adaptive backrest (AMG vehicle) 1 To adjust the upper back support 2 To adj ...

General notes
USA only: This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: 1. This device may not cause harmful interference, and 2. this device must ...