Mercedes-Benz C-Class Saloon, Owner'S Manual

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Vehicle
Display messages Possible causes/consequences and M M Solutions
d
Vehicle is operational
Switch off the ignition
before exiting
* You are leaving the vehicle when it is in a ready-to-drive state.
#
When leaving the vehicle, switch off the ignition, secure the vehicle against rolling away and take the key with
you.
#
If you do not leave the vehicle, switch off the electrical consumers, e.g. the seat heater. Otherwise, the 12‑V
battery may discharge and it will then be possible to start the vehicle only using a donor battery (starting assis‐
tance).
j
Trailer coupling extending…
* Retract or extend the ball neck.
Do not attempt to speed up, slow down or initiate the retracting or extending process using your hand, foot or other
aids. During the retracting or extending process, do not couple a trailer.
When the ball neck has reached an operational position, the display message disappears.
492 Display messages and warning/indicator lamps