You can get a towbar for 43.
Not sure but believe if you get the electric tow bar the gesture control for hatch has to be disconnected as when the tow bar retracts it could trigger the hatch, may be wrong.
2017 GLC AMG43 premium plus, night pack, leather, intel lights, 360 camera, side steps. = sadly gone
Now GLE450 Premium plus, Selenite, Black/White Nappa leather, Tech plus pack, Driving assistance pack, Tow pack, Off road pack, 22 inch wheels.