Page 646 of 801
645 Practical hints
What to do if …?
Display
Possible cause/consequence
Possible solution
Cruise Control
- - - mph
(USA only)
Cruise Control
- - - kmh
(Canada only)
You have tried to switch on
cruise control below a speed of
20 mph (30 km/h).
Drive faster than 20 mph (30 km/h) and save the speed.
ESP
® is switched off.
Switch on ESP
® (page 76).
The automatic transmission is in
park position P, reverse gearR
or neutral positionN.
Shift the automatic transmission to drive positionD (
page 426).
The system is overheated.
Wait until the system cools down.
The vehicle is secured in place
by the electronic parking brake.
Release electronic parking brake (
page 422).
Cruise Control
Inoperative
Cruise control is malfunction-
ing.
Have cruise control checked by an authorized Mercedes-Benz Center.
Page 648 of 801

647 Practical hints
What to do if …?
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Possible cause/consequence
Possible solution
DISTRONIC PLUS
Override
You have depressed the accelerator pedal,
DISTRONIC Plus* is no longer controlling
the speed of the vehicle.
Release the accelerator pedal.
DISTRONIC PLUS
- - - mph
(USA only)
Canada only:
DISTRONIC PLUS
- - - kmh
(Canada only)
You have attempted to activate DISTRONIC
Plus* at a speed below 20 mph (30 km/h)
without the vehicle in front being displayed
in the multifunction display (
page 454).
Drive faster than 20 mph (30 km/h) and activate DISTRONIC
Plus* again.
ESP
® is switched off.
Switch on ESP
® (page 76).
The automatic transmission is in park posi-
tion P, reverse gearR or neutral positionN.
Shift the automatic transmission to drive positionD
(page 426).
The system is overheated.
Wait until the system cools down.
The vehicle is secured in place by the elec-
tronic parking brake.
Release electronic parking brake (
page 422).
The driver’s door is open and the drivers
seat belt is unbuckled.
Close the driver’s door and fasten your seat belt.
The hood is open.
Close the hood (
page 574).
Page 663 of 801

662 Practical hintsWhat to do if …?Display
Possible cause/consequence
Possible solution
Malfunction
The capability of the ABC* system is re-
stricted. This can impair the handling.
Do not exceed a speed of 50 mph (80 km/h).
Contact an authorized Mercedes-Benz Cen-
ter as soon as possible.
Vehicle rising
Please wait a moment
The vehicle’s level is too low while at a
standstill. The vehicle will be raised.
Do not drive off.
Wait until the message disappears from the
multifunction display.
You may then drive off.
ABS and ESP
Inoperative
See Oper. Manual
ABS, ESP
® as well as PRE-SAFE
® are
switched off due to a malfunction. BAS is
also switched off.
The brake system is still functioning nor-
mally but without the ABS available.
BAS Plus* and PRE-SAFE
® Brake* are also
not available.
Continue driving with added caution. Wheels
may lock during hard braking, reducing steer-
ing capability.
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.
Page 664 of 801

663 Practical hints
What to do if …?
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Possible cause/consequence
Possible solution
ABS and ESP
Currently Unavailable
See Oper. Manual
ABS, ESP
® as well as PRE-SAFE
® are not
available due to a malfunction. BAS is also
switched off. It is possible that the self-diag-
nostics have not yet been completed.
The brake system still functions normally.
BAS Plus* and PRE-SAFE
® Brake* are also
not available.
Drive a short distance with gentle turns
above a speed of 12 mph (20 km/h).
The message disappears when ABS and ESP
®
are again available.
The ABS, ESP
® as well as PRE-SAFE
® were
deactivated because of insufficient power
supply. The charging voltage has fallen be-
low 10 volts.
The brake system still functions normally
but without the ABS, ESP
® and PRE-SAFE
®
available.
BAS Plus* and PRE-SAFE
® Brake* are also
not available.
When the voltage is above this value again, the
ABS, ESP
® and PRE-SAFE
® are operational again
and the message in the multifunction display
should disappear.
If the message in the multifunction display does
not disappear:
Have the generator (alternator) and the bat-
tery checked.
Page 666 of 801
665 Practical hints
What to do if …?
Display
Possible cause/consequence
Possible solution
Brake Immediately
A malfunction has occurred while
DISTRONIC Plus* was switched on.
While observing surrounding traffic condi-
tions and when it is safe, immediately de-
press the brake pedal firmly until the warning
message disappears.
Engage the electronic parking brake
(page 422).
(USA only)(Canada only)
EBR, ABS and ESP
Inoperative
See Oper. Manual
ESP
®, EBP and ABS are switched off due to
a malfunction. BAS is also switched off. As
a result, PRE-SAFE
® is also inoperative.
BAS Plus* and PRE-SAFE
® Brake* are also
not 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.
(USA only)(Canada only)
Page 674 of 801
673 Practical hints
What to do if …?
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Possible cause/consequence
Possible solution
Turn On the Ignition
to Release the
Parking Brake
The yellow indicator lamp for the electronic
parking brake comes on.
You have tried to release the electronic
parking brake, but the ignition was not
switched on.
Switch on the ignition (
page 370).
(USA only)(Canada only)
Inoperative
See Oper. Manual
ESP
® as well as PRE-SAFE
® are switched off
due to a malfunction. In addition, the v
warning lamp in the instrument cluster
comes on.
The ABS may not be operational and the fol-
lowing systems are not available:
BAS and BAS Plus*
PRE-SAFE
® Brake*
Distronic Plus*
Cruise control
Hill start assist system
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.
Page 675 of 801
674 Practical hintsWhat to do if …?Display
Possible cause/consequence
Possible solution
Inoperative
See Oper. Manual
S 600 and S 65 AMG only:
ESP
® a s w e l l a s P R E - S A F E
® are switched off
due to a malfunction. In addition, the v
and ; (USA only) or 3(Canada only)
warning lamps come on in the instrument
cluster.
Brake force assistance is impaired and is
sustained through an electric substitute
function as long as the engine is running.
The brake system continues to function
normally. You will feel a pulsating effect at
the brake pedal while braking.
BAS Plus* and PRE-SAFE® Brake* are also
not 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.
Page 676 of 801

675 Practical hints
What to do if …?
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Possible cause/consequence
Possible solution
Currently Unavailable
See Oper. Manual
ESP
® and PRE-SAFE
® are temporarily un-
available. It is possible that the self-diag-
nostics have not yet completed.
In addition, the yellow ESP
® warning
lampv comes on.
The brake system functions normally.
BAS Plus* and PRE-SAFE
® Brake* are also
not available.
Synchronize the ESP
®:
Drive a short distance with gentle turns at a
speed above 12 mph (20 km/h).
The message disappears when ESP
® is again
available.
Currently Unavailable
See Oper. Manual
ESP
® and PRE-SAFE
® are switched off due
to undervoltage. It is possible that the bat-
tery is not charged.
The brake system functions normally.
BAS Plus* and PRE-SAFE
® Brake* are also
not 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.
Currently Unavailable
See Oper. Manual
If the yellow ESP
® warning lampv flash-
es while driving and this message appears,
the electronic traction system has switched
off to prevent overheating of the drive
wheel brakes.
BAS Plus* and PRE-SAFE
® Brake* are also
not available.
As soon as the brakes have cooled off, the elec-
tronic traction system switches on again.
The message in the multifunction display disap-
pears and the ESP
® warning lampv goes
out.