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Practical hints
What to do if …
Display message Possible cause/consequence Possible solution
Check tires
Then restart
Run Flat Indicator
There was a warning message about a loss
in the tire inflation pressure and the Run Flat
Indicator has not been reactivated yet.
̈ Make sure that the correct tire inflation pressure is set
for each tire.
̈ Then reactivate the Run Flat Indicator.
Run Flat Indicator
inoperative
The Run Flat Indicator is malfunctioning. ̈ Have the Run Flat Indicator checked by an authorized
Mercedes-Benz Center.
The Run Flat Indicator has been switched off
due to an error.
Tire pressure
Check tires
The Run Flat Indicator indicates that the
pressure is too low in one or more tires.
̈ Carefully bring the vehicle to a halt, avoiding abrupt
steering and braking maneuvers. Observe the traffic sit-
uation around you.
̈ Check and adjust tire inflation pressure as required
(
୴ page 341).
̈ If necessary, change the wheel (୴ page 451).
̈ Reactivate the Run Flat Indicator after adjusting the tire
inflation pressure values (
୴ page 343).