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437 Practical hints
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DISTRONIC––– mphYou have attempted to set a
speed while driving below
20 mph (30 km/h).Accelerate to a speed exceeding
20 mph (30 km/h) and set the speed
(
page 266).
The ESP® is switched off.Switch on the ESP® (page 105).
The automatic transmission is set to
position P, R, or N.Set the automatic transmission to posi-
tion D (
page 197).
The vehicle is secured with the
parking brake.Release the parking brake (page 57).
inoperativeThe Distronic* or the Distronic*
display are malfunctioning.Have the system checked by an
authorized Mercedes-Benz Light Truck
Center.
OverrideYou have accelerated. The
Distronic* has switched off.Stop accelerating.
Page 439 of 570
438 Practical hints
What to do if …
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DISTRONICavailable againDistronic* had been deactivated and
is available again.Activate Distronic* (page 277).
currently unavailable
See Operator’s ManualDistronic* is deactivated because
the functionality is impaired by
external interferences, e.g.
high-frequency sources such as toll
stations, speed measuring systems
etc.Leave the area of the external interfer-
ence.
Activate Distronic* again (page 277)
when the message
DISTRONIC available
again
appears.
Distronic* is deactivated because
the Distronic* sensor has not
sensed any other vehicles or
objects, e.g. road sign or such, for a
long time.Try to activate Distronic* again
(
page 277) when the message
DISTRONIC available again appears.
Page 440 of 570
439 Practical hints
What to do if …
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DISTRONICcurrently unavailable
See Operator’s ManualDistronic* is deactivated because
the Distronic* cover in the
radiator grille is dirty
the functionality is impaired by
heavy precipitation or fog
Clean the Distronic* cover in the radiator
grille (
page 414).
Restart the vehicle.
Distronic* becomes operational again with-
out the engine being restarted when
dirt on the radiator grille has fallen off
while driving (e.g. slush or snow)
the system recognizes full sensor
availability due to lessening rain or
because the road is drying, for example
the message in the multifunction display
disappears
You can then operate Distronic* as usual
again.
Page 441 of 570

440 Practical hints
What to do if …
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Depress brake to
shift out of
ParkYou have tried to shift the automatic
transmission into position D, R or N
using the gear selector lever without
depressing the brake pedal.Depress the brake pedal.
Door Open
Vehicle not in ParkYou have opened the driver’s door
and the automatic transmission is
still in position D, R or N.Before you leave the vehicle, make sure
that the automatic transmission is set to
position P and that the parking brake is
engaged.
Drive to workshop
without
shifting gearsThe automatic transmission cannot
be shifted out of the set position be-
cause of a malfunction.If the automatic transmission is set to
positionD:
Without changing the automatic transmis-
sion from position D, drive to an authorized
Mercedes-Benz Light Truck Center.
If the automatic transmission is set to
positionN, R or P:
Do not drive.
Contact an authorized Mercedes-Benz Light
Truck Center.
Page 442 of 570

441 Practical hints
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ESPinoperative
See Operator’s ManualIn addition, the yellow ESP® warning
lampv comes on.
The ESP
® has detected a malfunc-
tion and switched off.
The ABS may still be operational.
Continue driving with added caution.
Have the system checked at an authorized
Mercedes-Benz Light Truck Center as soon
as possible.
Failure to follow these instructions increases
the risk of an accident.
In addition, the yellow ESP® warning
lampv comes on.
The ESP
® or the ESP® display is
malfunctioning.
Continue driving with added caution.
Have the system checked at an authorized
Mercedes-Benz Light Truck Center as soon
as possible.
Failure to follow these instructions increases
the risk of an accident.
In addition, the yellow ESP® warning
lampv comes on.
The ESP
® is deactivated because of
a malfunction or interrupted power
supply.
Continue driving with added caution.
Contact an authorized Mercedes-Benz Light
Truck Center as soon as possible.
Failure to follow these instructions increases
the risk of an accident.
Page 443 of 570

442 Practical hints
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ESPunavailable
See Operator’s ManualThe ESP® was deactivated because
of insufficient power supply. The
charging voltage has fallen below
10 volts.
The brake system is still functioning
normally but without the ESP
®
available.
When the voltage is above this value again, the
ESP® is operational again and the message in
the multifunction display should disappear.
If the message in the multifunction display
does disappear:
Have the generator (alternator) and the
battery checked.
If the yellow ESP® warning
lampv flashes while driving and
this message appears, the electron-
ic traction system has switched off
to prevent overheating of the drive
wheel brakes.As soon as the brakes have cooled off, the
electronic traction system switches on again.
The message in the multifunction display disap-
pears and the ESP
® warning lampv goes
out.
The self-diagnosis has not been
completed yet.The display will clear after driving a short
distance at a vehicle speed of above
12 mph (20 km/h).
Page 444 of 570
443 Practical hints
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PShift to PYou have started the engine or
switched on the ignition with
KEYLESS-GO* and opened the
driver’s door with the automatic
transmission not set to positionP.Set the automatic transmission to
positionP.
or
Close the driver’s door
Shift to P or N
to start engineYou have attempted to start the
engine with the KEYLESS-GO*
start/stop button while the auto-
matic transmission was set to
positionR orD.Set the automatic transmission to
positionP orN.
Make sure the brake pedal is depressed
when attempting to start the engine with
the KEYLESS-GO* start/stop button.
Only shift to
Park when vehicle
is stationaryYou have tried to shift the transmis-
sion into position P using the gear
selector lever although the vehicle is
still in motion.Stop the vehicle.
Page 445 of 570
444 Practical hints
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SRSRestraint sys. malfunction
Visit workshopThe system is malfunctioning.Drive with added caution to the nearest
authorized Mercedes-Benz Light Truck
Center.
Warning!G
In the event a malfunction of the SRS is indi-
cated as outlined above, the SRS may not be
operational. For your safety, we strongly
recommend that you contact an authorized
Mercedes-Benz Light Truck Center immedi-
ately to have the system checked; otherwise
the SRS may not be activated when needed
in an accident, which could result in serious
or fatal injury, or it might deploy unexpect-
edly and unnecessarily which could also
result in injury.