Page 352 of 480
351 Practical hints
What to do if …
Left display
Right display
Possible cause/consequence
Possible solution
Distronic
Currently
unavailable.
See Oper. Manual
Distronic* is switched off because
the Distronic* cover in the radiator
grille is dirty
functionality is impaired by heavy
rain or thick fog
Clean the Distronic* cover in the radiator
grille (
page 325).
Restart the vehicle.
or
Distronic* becomes operational again with-
out the engine being started again when the
conditions that had impaired the functionality
no longer prevail, e.g. lessening rain or slush
or snow has fallen off the Distronic* cover
while driving. You can then operate Distronic*
as usual again.
Page 353 of 480
352 Practical hintsWhat to do if …Left display
Right display
Possible cause/consequence
Possible solution
Distronic
Visit
workshop
Distronic* is malfunctioning or the dis-
play is malfunctioning.
Visit an authorized Mercedes-Benz Center
as soon as possible.
Page 354 of 480
353 Practical hints
What to do if …
Left display
Right display
Possible cause/consequence
Possible solution
ESP
Malfunction
Visit
workshop
The ESP
® has detected a malfunction
and switched off.
The ABS may not be operational.
The electro-hydraulic brake system is
still functioning normally but without
the ESP® available.
Continue driving with added caution.
Have the system checked at an authorized
Mercedes-Benz Center as soon as
possible.
Failure to follow these instructions increases
the risk of an accident.
Display malfunction
Visit
workshop
The ESP
® or the ESP
® display is mal-
functioning.
Continue driving with added caution.
Have the system checked at an authorized
Mercedes-Benz Center as soon as
possible.
Failure to follow these instructions increases
the risk of accident.
Page 355 of 480
354 Practical hintsWhat to do if …ESP
Unavailable
See Oper. Manual
The ESP
® is deactivated because the
power supply has been interrupted.
The electro-hydraulic brake system is
still functioning normally but without
the ESP® available.
Synchronize the ESP
®. With the vehicle
stationary, turn the steering wheel com-
pletely to the left and then to the right.
If the ESP
® message does not go out:
Continue driving with added caution.
Have the system checked at an authorized
Mercedes-Benz Center as soon as
possible.
Failure to follow these instructions increases
the risk of an accident.
Left display
Right display
Possible cause/consequence
Possible solution
!When sychronizing the ESP
®, make
sure you can turn the steering wheel in
both directions as far as it will go with-
out the wheels hitting any objects, e.g.
a road curb.
Page 356 of 480
355 Practical hints
What to do if …
Left display
Right display
Possible cause/consequence
Possible solution
P
Gear selector
lever to P
You have tried to start the engine with
the KEYLESS-GO* start/stop button
with the gear selector lever not in P.
Place the gear selector lever in position P.
You have tried to turn off the engine
with the KEYLESS-GO* start/stop but-
ton with the gear selector lever not in
P.You have opened the driver’s door
while engine is running with the gear
selector lever not in P.
SRS
Restraint
system malfunction
Visit
workshop
The SRS system (
page 64) is mal-
functioning.
Drive with added caution and have the
system checked at an authorized Mer-
cedes-Benz Center immediately.
Page 357 of 480

356 Practical hintsWhat to do if …Left display
Right display
Possible cause/consequence
Possible solution
Run Flat
Indicator
inactive
The Run Flat Indicator is
malfunctioning.
Have the Run Flat Indicator checked by an
authorized Mercedes-Benz Center.
Check tires
Then reactivate
There was a warning message
about a loss in the tire inflation
pressure and the Run Flat Indica-
tor 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
unavailable
The Run Flat Indicator has been
switched off due to an error.
Have the Run Flat Indicator checked by an
authorized Mercedes-Benz Center.
Tire pres.
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. Ob-
serve the traffic situation around you.
Check and adjust tire inflation pressure as
required (
page 293).
If necessary, change the wheel
(page 399).
Reactivate the Run Flat Indicator after ad-
justing the tire inflation pressure values
(page 295).
Page 358 of 480
357 Practical hints
What to do if …
Left display
Right display
Possible cause/consequence
Possible solution
Tire pressure monitor
currently
unavailable
The TPMS is unable to monitor the tire
pressure due to
a nearby radio interference source.
excessive wheel sensor tempera-
tures.
As soon as the causes for the malfunction
are no longer present, the TPMS
automatically becomes active again after a
few minutes driving.
Tire pressure
displayed after
driving for a
a few minutes
The tire inflation pressure is being
checked.
Drive the vehicle for a few minutes.
Tire pressure monitor
inoperative
No wheel sensors
There are wheels without wheel sen-
sors mounted (e.g. winter tires).
Have the TPMS checked by an autho-
rized Mercedes-Benz Center.
Have the wheel sensors installed by an
authorized Mercedes-Benz Center.
Page 359 of 480
358 Practical hintsWhat to do if …Left display
Right display
Possible cause/consequence
Possible solution
Tire pres. monitor
Wheel sensor missing
One or more sensors malfunction
(e.g. battery in one or more wheel
sensor is empty).
One or more wheels without wheel
sensors mounted (e.g. spare tire).
Have the TPMS checked by an authorized
Mercedes-Benz Center.
Have the wheel sensors installed by an
authorized Mercedes-Benz Center.
Tire pressure monitor
inoperative
The TPMS is malfunctioning.
Have the TPMS checked by an authorized
Mercedes-Benz Center.
Warning!
G
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. Contin-
ued driving with a flat tire will cause exces-
sive heat build-up and possibly a fire.