Practical hints
What to do if ...?
Display message
Run Flat Indicator
inactive
Check tires
Then reactivate
Run Flat Indicator
Run Flat Indicator
unavailable
Warning!
Do not drive with a flat tire. A flat tire affects
the ability to steer or brake the vehicle.You
may lose control of the vehicle. Continued
driving with a flat tire will cause excessive
heat build-up and possibly a fire.
394
Possible cause/consequence
Run Flat Indicator* is malfunctioning.
There was a warning message about a
loss in the tire inflation pressure and
the Run Flat Indicator* has not been
reactivated yet.
The Run Flat Indicator* has been
switched off due to an error.
G
Possible solution
Have the Run Flat Indicator* checked by an autho-
rized Mercedes-Benz Center.
Make sure that the correct tire inflation pressure is
set for each tire.
Then reactivate the Run Flat Indicator*.
Have the Run Flat Indicator* checked by an autho-
rized Mercedes-Benz Center.