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Practical hints
What to do if …?
Display Possible cause/consequence Possible solution
Park Assist
inoperative
Park Assist* is unavailable due to a mal-
function.
̈ Visit an authorized Mercedes-Benz Center as soon as possible.
PRE-SAFE
inoperative
See Owner's Manual
PRE-SAFE
®
itself has failed. All other occu-
pant safety systems, such as the air bags,
are still available.
̈ Visit an authorized Mercedes-Benz Center as soon as possible.
Check tires
then restart
Run Flat Indicator
There was a warning message about a loss
in tire inflation pressure and the Run Flat In-
dicator* has not been restarted yet.
̈ Check and adjust tire inflation pressure as required
(
୴ page 514).
̈ Then restart the Run Flat Indicator* (୴ page 515).
Radar sensor
deactivated
See Oper. Manual
You attempt to activate DISTRONIC Plus*
or Park Assist* even though you have
switched off the radar sensors* on the vehi-
cle.
̈ Check if the radar sensors* may be switched on (୴ page 256).
̈ Switch on the radar sensors* using the instrument cluster
control system.
Run Flat Indicator
inoperative
The Run Flat Indicator* is malfunctioning. ̈ Visit an authorized Mercedes-Benz Center as soon as possible.
Service X
due
Service X must be carried out (୴ page 532). ̈ Have the maintenance service carried out by an authorized
Mercedes-Benz Center.
Service X exceeded
by X days
by XXX mls (km)
Service X must be carried within the next ...
or before you have driven ... miles (kilome-
ters) (
୴ page 532).
̈ Have the maintenance service carried out by an authorized
Mercedes-Benz Center as soon as possible.
Shift to P or N
to start engine
You have attempted to start the engine
while the automatic transmission was set to
position R or D.
̈ Shift the automatic transmission to P or N (୴ page 367).