Page 666 of 769
665 Practical hints
What to do if …?
Display
Possible cause/consequence
Possible solution
Check
Rear Left
Turn Signal
The left rear turn signal lamp is malfunction-
ing. A substitute bulb is being used.
Contact an authorized Mercedes-Benz
Center 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
Center 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 all light emitting diodes have
stopped working.
Have the LEDs replaced as soon as possible.
Check
Right Mirror
Turn Signal
The turn signal in the right exterior rear view
mirror is malfunctioning. This message will
only appear if all light emitting 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
Center as soon as possible.
Check
Front Right
Turn Signal
The right front turn signal lamp is malfunc-
tioning.
Contact an authorized Mercedes-Benz
Center as soon as possible.
Check
Left High Beam
The left high beam lamp is malfunctioning.
Replace the bulb as soon as possible
(page 688).
Page 667 of 769
666 Practical hintsWhat to do if …?Display
Possible cause/consequence
Possible solution
Check
Right High Beam
The right high beam lamp is malfunctioning.
Replace the bulb as soon as possible
(page 688).
Check
Right High Beam
The right high beam lamp is malfunctioning.
Replace the bulb as soon as possible
(page 688).
Check Left
License Plate Lamp
The left license plate lamp is malfunction-
ing.
Contact an authorized Mercedes-Benz
Center as soon as possible.
Check Right
License Plate Lamp
The right license plate lamp is malfunction-
ing.
Contact an authorized Mercedes-Benz
Center 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 391).
Turn Lights Off
or
Remove Key
The exterior lamp switch is set to * and
you have forgotten to take out the Smart-
Key. The parking lamps remain switched on.
Switch off the headlamps (
page 391).
or
Remove the SmartKey from the starter
switch.
Check
Left Fog Lamp
The left front fog lamp is malfunctioning.
Contact an authorized Mercedes-Benz
Center as soon as possible.
Check
Right Fog Lamp
The right front fog lamp is malfunctioning.
Contact an authorized Mercedes-Benz
Center 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
Center as soon as possible.
Page 668 of 769
667 Practical hints
What to do if …?
Display
Possible cause/consequence
Possible solution
Check
Front Left
Parking Lamp
The left front parking lamp is malfunction-
ing. A substitute bulb is being used.
Contact an authorized Mercedes-Benz
Center 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
Center as soon as possible.
Check
Left Reverse Lamp
The left backup lamp is malfunctioning.
Contact an authorized Mercedes-Benz
Center as soon as possible.
Check
Right Reverse Lamp
The right backup lamp is malfunctioning.
Contact an authorized Mercedes-Benz
Center as soon as possible.
Check
Front Left
Sidemarker Lamp
The front left side marker lamp is malfunc-
tioning.
Contact an authorized Mercedes-Benz
Center as soon as possible.
Check
Front Right
Sidemarker Lamp
The front right side marker lamp is malfunc-
tioning.
Contact an authorized Mercedes-Benz
Center as soon as possible.
Check
Rear Left
Sidemarker Lamp
The rear left side marker lamp is malfunc-
tioning.
Contact an authorized Mercedes-Benz
Center as soon as possible.
Check
Rear Right
Sidemarker Lamp
The rear right side marker lamp is malfunc-
tioning.
Contact an authorized Mercedes-Benz
Center as soon as possible.
Page 669 of 769
668 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 all light
emitting diodes have stopped working. A
substitute bulb is being used.
Contact an authorized Mercedes-Benz
Center 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 all light
emitting diodes have stopped working. A
substitute bulb is being used.
Contact an authorized Mercedes-Benz
Center as soon as possible.
Page 670 of 769
669 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
Center as soon as possible.
Night View Assist
Currently Unavailable
The temperature of the camera* is too high
(page 481).
Wait until the message “Night View Assist
Available Again” appears.
In addition you can:
Swing the camera* cover down
(page 602).
Adjust the air distribution of the automatic
climate control so that air flows upward
(page 271).
Night View Assist
Lights Must Be Set
to AUTO or ON
You have tried to switch on Night View
Assist*, but the light switch is not set
to* or B.
Turn the exterior lamp switch
to*orB (
page 391).
Night View Assist
Not in Reverse Gear
You have tried to switch on Night View
Assist* while the automatic transmission
was in reverse gearR.
Shift the automatic transmission to park po-
sition P, neutral positionN or drive
positionD (
page 417).
Page 671 of 769
670 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
Assist* 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*orB (
page 391).
Shift the automatic transmission to park po-
sition P, neutral positionN or drive
positionD (
page 417).
Night View Assist
Only When
It Is Dark
You have tried to switch on Night View
Assist* by daylight.
You can only switch on Night View Assist* when
it is dark.
Engine Oil Level Low
Stop Vehicle
Turn Engine Off
CL 600 and CL 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 412).
Turn off the engine.
Add engine oil (
page 557) and check the
engine oil level (page 554).
Page 672 of 769
671 Practical hints
What to do if …?
When the message “Check Engine Oil Level
at Next Refueling” (CL 550 and
CL 63 AMG) or “Check Engine Oil Level
(Add 1 quart). (Canada:1Liter)” (CL 600
and CL 65 AMG) appears while the engine
is running and at operating temperature,
the engine oil level has dropped to approx-
imately 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)
CL 600 and CL 65 AMG only:
The engine oil level is too low.
Check the engine oil level (
page 554) and
add engine oil as required (page 557).
If you must add engine oil frequently, have
the engine checked for possible leaks.
Check
Engine Oil Level
at Next Refueling
CL 550 and CL 63 AMG only:
The engine oil level has dropped to approx-
imately the minimum level.
Check the engine oil level (
page 554) and
add engine oil as required (page 557).
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.
Page 673 of 769
672 Practical hintsWhat to do if …?Display
Possible cause/consequence
Possible solution
Engine Oil Level
Cannot Be
Measured
CL 600 and CL 65 AMG only:
The measuring system is malfunctioning.
Have the measuring system checked by an
authorized Mercedes-Benz Center.
Engine Oil
Level Too High
CL 600 and CL 65 AMG only:
You have added too much engine oil.
There is a risk of damaging:
the engine
the catalytic converter
Have excess oil siphoned or drained off.
Contact an authorized Mercedes-Benz
Center.
