See also:

Accepting a call
If someone calls you when you are in the Tel menu, a display message appears in the multifunction display, for example: Press the button on the steering wheel to accept an incoming call. ...

2011 Mercedes-Benz CL-Class Review
The 2011 Mercedes-Benz CL550 is stunning — both to look at and to drive — in a way not many cars are. The CL550 is plenty quick, though it's not at the top of the CL-Class heap in terms of power ...

Problems with the seat heating
The seat heating has switched off prematurely or cannot be switched on. The vehicle's electrical system voltage is too low because too many electrical consumers are switched on. - Switch off ...