Page 689 of 801

688 Practical hintsWhat to do if …?Display
Possible cause/consequence
Possible solution
Auto Lamp Function
Inoperative
The light sensor is malfunctioning. Daytime
driving lamps are switched on.
Contact an authorized Mercedes-Benz Cen-
ter as soon as possible.
To switch off the headlamps (U.S. vehicles only):
Switch off daytime running lamps in the in-
strument cluster control system
(page 306).
Turn the exterior lamp switch to position0.
Check
Rear Left
Turn Signal
T h e l e f t r e a r t u r n s i g n a l l a m p i s m a l f u n c t i o n -
ing. A substitute bulb is being used.
Contact an authorized Mercedes-Benz Cen-
ter as soon as possible.
Check
Rear Right
Turn Signal
The right rear turn signal lamp is malfunc-
tioning. A substitute bulb is being used.
Contact an authorized Mercedes-Benz Cen-
ter as soon as possible.
Check
Left Mirror
Turn Signal
The turn signal in the left exterior rear view
mirror is malfunctioning. This message will
only appear if a critical number of light emit-
ting diodes have stopped working.
Have the LEDs replaced as soon as possible.
Page 690 of 801

689 Practical hints
What to do if …?
Display
Possible cause/consequence
Possible solution
Check
Right Mirror
Turn Signal
The turn signal in the right exterior rear view
mirror is malfunctioning. This message will
only appear if a critical number of light emit-
ting diodes have stopped working.
Have the LEDs replaced as soon as possible.
Check
Front Left
Turn Signal
The left front turn signal lamp is malfunc-
tioning.
Contact an authorized Mercedes-Benz Cen-
ter as soon as possible.
Check
Front Right
Turn Signal
The right front turn signal lamp is malfunc-
tioning.
Contact an authorized Mercedes-Benz Cen-
ter as soon as possible.
Check
Left High Beam
The left high beam lamp is malfunctioning.
Replace the bulb as soon as possible
(page 714).
Check
Right High Beam
The right high beam lamp is malfunctioning.
Replace the bulb as soon as possible
(page 714).
Check Left
License Plate Lamp
The left license plate lamp is malfunction-
ing.
Contact an authorized Mercedes-Benz Cen-
ter as soon as possible.
Check Right
License Plate Lamp
The right license plate lamp is malfunction-
ing.
Contact an authorized Mercedes-Benz Cen-
ter as soon as possible.
Please
Switch Off Lights
You are getting out of the vehicle and the
lights are still switched on.
Switch off the headlamps (
page 399).
Page 691 of 801

690 Practical hintsWhat to do if …?Display
Possible cause/consequence
Possible solution
Turn Lights Off
or
Remove Key
The exterior lamp switch is set to * and
you have forgotten to take out the
SmartKey. The parking lamps remain
switched on.
Switch off the headlamps (
page 399).
or
Remove the SmartKey from the starter
switch.
Check
Left Fog Lamp
The left front fog lamp is malfunctioning.
Contact an authorized Mercedes-Benz Cen-
ter as soon as possible.
Check
Right Fog Lamp
The right front fog lamp is malfunctioning.
Contact an authorized Mercedes-Benz Cen-
ter as soon as possible.
Check
Rear Left
Fog Lamp
The left rear fog lamp is malfunctioning.
A substitute bulb is being used.
Contact an authorized Mercedes-Benz Cen-
ter as soon as possible.
Check
Front Left
Parking Lamp
The left front parking lamp is malfunction-
ing. A substitute bulb is being used.
Contact an authorized Mercedes-Benz Cen-
ter as soon as possible.
Check
Front Right
Parking Lamp
The right front parking lamp is malfunction-
ing. A substitute bulb is being used.
Contact an authorized Mercedes-Benz Cen-
ter as soon as possible.
Check
Left Reverse Lamp
The left backup lamp is malfunctioning.
Contact an authorized Mercedes-Benz Cen-
ter as soon as possible.
Check
Right Reverse Lamp
The right backup lamp is malfunctioning.
Contact an authorized Mercedes-Benz Cen-
ter as soon as possible.
Page 692 of 801
691 Practical hints
What to do if …?
Display
Possible cause/consequence
Possible solution
Check
Front Left
Sidemarker Lamp
The front left side marker lamp is malfunc-
tioning.
Contact an authorized Mercedes-Benz Cen-
ter as soon as possible.
Check
Front Right
Sidemarker Lamp
The front right side marker lamp is malfunc-
tioning.
Contact an authorized Mercedes-Benz Cen-
ter as soon as possible.
Check
Rear Left
Sidemarker Lamp
The rear left side marker lamp is malfunc-
tioning.
Contact an authorized Mercedes-Benz Cen-
ter as soon as possible.
Check
Rear Right
Sidemarker Lamp
The rear right side marker lamp is malfunc-
tioning.
Contact an authorized Mercedes-Benz Cen-
ter as soon as possible.
Page 693 of 801
692 Practical hintsWhat to do if …?Display
Possible cause/consequence
Possible solution
Check Left
Tail and Brake Lamp
The left tail lamp/brake lamp is malfunc-
tioning.
This message will only appear if a critical
number of light emitting diodes have
stopped working. A substitute bulb is being
used.
Contact an authorized Mercedes-Benz Cen-
ter as soon as possible.
Check Right
Tail and Brake Lamp
The right tail lamp/brake lamp is malfunc-
tioning.
This message will only appear if a critical
number of light emitting diodes have
stopped working. A substitute bulb is being
used.
Contact an authorized Mercedes-Benz Cen-
ter as soon as possible.
Page 694 of 801

693 Practical hints
What to do if …?
Display
Possible cause/consequence
Possible solution
Night View Assist
Inoperative
Night View Assist* is malfunctioning.
Contact an authorized Mercedes-Benz Cen-
ter as soon as possible.
Night View Assist
Currently Unavailable
The temperature of the camera* is too high
(page 491).
Wait until the message “Night View Assist
Available Again” appears.
In addition you can:
Swing the camera* cover down
(page 621).
Adjust the air distribution of the automatic
climate control so that air flows upward
(page 275).
Night View Assist
Lights Must Be Set
to AUTO or ON
You have tried to switch on Night View As-
sist*, but the light switch is not set to *
or B.
Turn the exterior lamp switch to * or
B (
page 399).
Night View Assist
Not in Reverse Gear
You have tried to switch on Night View As-
sist* while the automatic transmission was
in reverse gearR.
Shift the automatic transmission to park
positionP, neutral positionN or drive
positionD (
page 426).
Page 695 of 801
694 Practical hintsWhat to do if …?Display
Possible cause/consequence
Possible solution
Night View Assist
Lights ON or AUTO,
Not in R Gear
You have tried to switch on Night View As-
sist* but the light switch is not set to *
or B.
In addition, the automatic transmission is in
reverse gearR.
Turn the exterior lamp switch to * or
B (
page 399).
Shift the automatic transmission to park
positionP, neutral positionN or drive
positionD (
page 426).
Night View Assist
Only When
It Is Dark
You have tried to switch on Night View As-
sist* by daylight.
You can only switch on Night View Assist* when
it is dark.
Engine Oil Level Low
Stop Vehicle
Turn Engine Off
S 600 and S 65 AMG only:
There is no oil in the engine. There is a dan-
ger of engine damage.
Carefully bring the vehicle to a halt as soon
as it is safe to do so in a safe location.
Engage the electronic parking brake
(page 422).
Turn off the engine.
Add engine oil (
page 578) and check the
engine oil level (page 575).
Page 696 of 801

695 Practical hints
What to do if …?
When the message “Check Engine Oil Level
at Next Refueling” (all models except S 600
and S 65 AMG) or “Check Engine Oil Level
(Add 1 quart). (Canada:1Liter)” (S 600
and S 65 AMG) appears while the engine is
running and at operating temperature, the
engine oil level has dropped to approxi-
mately the minimum level.When this occurs, the warning is at first in-
termittent and then remains on if the oil
level drops further.
Visually check for oil leaks. If there are no
obvious oil leaks, drive to the nearest ser-
vice station to refill engine oil to the re-
quired level with an approved oil.For information on approved engine oils,
refer to the Factory Approved Service
Products pamphlet (USA only) or contact
an authorized Mercedes-Benz Center.Display
Possible cause/consequence
Possible solution
Check
Engine Oil Level
(Add 1 quart)
(USA only)
Check
Engine Oil Level
(Add 1 Liter)
(Canada only)
S 600 and S 65 AMG only:
The engine oil level is too low.
Check the engine oil level (
page 575) and
add engine oil as required (page 578).
If you must add engine oil frequently, have
the engine checked for possible leaks.
Check
Engine Oil Level
at Next Refueling
All models except S 600 and S 65 AMG:
The engine oil level has dropped to approx-
imately the minimum level.
Check the engine oil level (
page 575) and
add engine oil as required (page 578).
If you must add engine oil frequently, have
the engine checked for possible leaks.
!
Engine oil level warnings should not be ig-
nored. Extended driving with the symbol dis-
played could result in serious engine damage
that is not covered by the Mercedes-Benz Limit-
ed Warranty.