Please bear the following in mind

At the onset of winter, have your vehicle winterproofed at a qualified specialist workshop, e.g. at an authorized Mercedes- Benz Center.

Observe the notes in the "Changing a wheel" section.

    See also:

    Activation conditions
    You can activate the HOLD function if: Rthe vehicle is stationary. Rthe engine is running. Rthe driver's door is closed or if your seat belt is fastened. Rthe electric parking brake is released. ...

    Introduction
    You can establish a Bluetooth® connection to COMAND (see the separate operating instructions). WARNING A driver's attention to the road must always be his/her primary focus when driving. For ...

    Safety
    The R-Class received a Good overall score — the highest rating possible — in the Insurance Institute for Highway Safety's frontal-offset and side-impact crash tests. It hadn't yet undergone IIHS' ...