What are these buttons on GLC? Next to the Start button

[Vpac]

I’m considering getting a used GLC and have been looking around and noticed some models have these buttons, but most don’t and just have what looks to be a small air vent? I’ve attached photos of both.

Again whilst looking some GLC’s have a lot of buttons and others one or two. Can anyone explain their functions?

 

[Connoisseur]

The buttons are found on newer or higher spec models and are for things like 360/cameras view, lane keep assist, parking sensors off/on, active steering assist etc..

On newer models things like LKA/active steering are legal requirements.

NB my descriptions of each specific feature may not be 100% accurate…..

hth