Mercedes-Benz R-Class Owner's Manual page 278

Display messages
H
Tyre pressure
Check tyres
H
Please correct
tyre pressure(s)
I
Change key batter-
ies
I
Key does not belong
to vehicle
I
Key not detected
* optional
Possible cause/consequence
G Risk of accident
The pressure in one or more tyres has
dropped significantly. The affected wheel
is highlighted in the tyre pressure display
of the tyre pressure monitor*.
Vehicles with a tyre pressure monitor*:
the pressure of at least one tyre is too low
or there is a significant discrepancy
between the tyre pressures of the individ-
ual wheels.
The KEYLESS GO* key batteries are dis-
charged.
You have put the wrong key in the ignition
lock.
The KEYLESS GO* key is not in the vehicle.
If the engine is switched off, the vehicle
can no longer be locked centrally and the
engine cannot be started.
Practical advice
Display messages
Possible solution
Stop the vehicle without making any sudden
X
steering or braking manoeuvres. Pay attention
to the traffic conditions as you do so.
Check the tyres.
X
Repair or change the faulty tyre if necessary
X
( page 313).
Y
Check the tyre pressure and correct it if nec-
X
essary ( page 226).
Y
The warning will disappear automatically after
you have been driving for a few minutes with
the corrected tyre pressure.
Check the tyre pressure at the next opportunity
X
and correct it if necessary (
Y
Change the batteries ( page 305).
X
Y
Use the correct key.
X
Stop the vehicle. Pay attention to the traffic
X
conditions as you do so.
Look for the KEYLESS GO* key.
X
page 226).
Z
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