Page 557 of 769

556 OperationEngine compartmentOther display messages
If the SmartKey or KEYLESS-GO* start/
stop button is not in position 2, the follow-
ing message will appear:
“For Engine Oil Level
Ignition Must be On”
Switch on the ignition (
page 365).
If you see the message
“Need More Time
to Check
Engine Oil Level”
If engine is at operating temperature,
wait 5 minutes before repeating check
procedure.
If engine is not at operating tempera-
ture yet, wait 30 minutes before
repeating check procedure.If you see the message
“Engine Oil Level
Not Measurable
With Running Engine”
Turn off the engine.
If the engine is at operating tempera-
ture, wait 5 minutes before checking
oil.
If the engine is not at operating temper-
ature yet, you must wait 30 minutes
before checking oil.If there is excess engine oil with the engine
at operating temperature, the following
message will appear:
“Reduce
Engine Oil Level”
Have excess oil siphoned or drained
off. Contact an authorized
Mercedes-Benz Center.
For more information on messages in the
multifunction display concerning engine
oil, see the “Practical hints” section
(
page 670).
!
Excess oil must be siphoned or drained off.
It could cause damage to the engine and catalyt-
ic converter not covered by the Mercedes-Benz
Limited Warranty.
Page 558 of 769

557 Operation
Engine compartment
Checking engine oil level with the oil
dipstick (CL 550 and CL 63 AMG)
To check the engine oil level with the oil
dipstick, do the following:
Open the hood (
page 553).
Example illustration from CL 5501Oil dipstick
2Upper mark
3Lower mark
Pull out oil dipstick1.
Wipe oil dipstick1 clean.
Fully insert oil dipstick1 into the dip-
stick guide tube.
Pull out oil dipstick1 again after ap-
proximately 3 seconds to obtain accu-
rate reading.
The oil level is correct when it is between
lower mark3 (min.) and upper mark2
(max.) mark of the oil dipstick.
If necessary, add engine oil.
For adding engine oil (
page 557).
For more information on engine oil, see the
“Technical data” section (page 733) and
(
page 736).
For more information on messages in the
multifunction display concerning engine
oil, see the “Practical hints” section
(page 622).Adding engine oil
i
CL 550 only:
The filling quantity between the upper and lower
marks on the oil dipstick is approximately
2.1 US qt. (2.0 l).
i
AMG vehicles only:
The filling quantity between the upper and lower
marks on the oil dipstick is approximately
1.6 US qt. (1.5 l).
!
Only use approved engine oils and oil filters
required for vehicles with Maintenance System.
For a listing of approved engine oils and oil fil-
ters, refer to the Factory Approved Service
Products pamphlet (USA only) in your vehicle
literature portfolio, or contact an authorized
Mercedes-Benz Center.
Using engine oils and oil filters of specification
other than those expressly required for the Main-
tenance System, or changing of oil and oil filter
at change intervals longer than those called for
by the Maintenance System will result in engine
or emission control system damage not covered
by the Mercedes-Benz Limited Warranty.
Page 559 of 769

558 OperationEngine compartmentExample illustration from CL 550
CL 63 AMG1Filler cap
Unscrew filler cap1 from filler neck.
Add engine oil as required. Be careful
not to overfill with oil.
Be careful not to spill any oil when adding.
Avoid environmental damage caused by oil
entering the ground or water.
Screw filler cap1 back on filler neck.
For more information on engine, see the
“Technical data” section (
page 733) and
(
page 736).
Transmission fluid level
The transmission fluid level does not need
to be checked. If you notice transmission
fluid loss or gear shifting malfunctions,
have an authorized Mercedes-Benz Center
check the automatic transmission.Active Body Control (ABC) fluid level
Regular fluid level check is not required. If
you notice fluid leaks or malfunction mes-
sages in the multifunction display, have an
authorized Mercedes-Benz Center check
the ABC-system.
!
Excess oil must be siphoned or drained off.
It will cause damage to the engine and emission
control system not covered by the
Mercedes-Benz Limited Warranty.
Page 596 of 769

595 Operation
Vehicle care
Vehicle care
Cleaning and care of vehicle
Regular and proper care will help to main-
tain the value of your vehicle. The best way
to protect your vehicle from harmful envi-
ronmental influences is to wash it and use
protective treatments regularly.While in operation, even while parked, your
vehicle is subjected to varying external in-
fluences which, if gone unchecked, can
attack the paintwork as well as the vehicle
underbody and cause lasting damage.
Such damage is caused not only by
extreme and varying climatic conditions,
but also by:
Air pollution
Road salt
Tar
Gravel and stone chippingTo avoid paint damage, you should imme-
diately remove:
Grease and oil
Fuel
Coolant
Brake fluid
Bird droppings
Insects
Tree resins, etc.
Frequent washing reduces and/or elimi-
nates the aggressiveness and potency of
the above adverse influences.
Warning!
G
Many cleaning products can be hazardous.
Some are poisonous, others are flammable.
Always follow the instructions on the partic-
ular container. Always open your vehicle’s
doors or windows when cleaning the inside.
Never use fluids or solvents that are not de-
signed for cleaning your vehicle.
Always lock away cleaning products and
keep them out of reach of children.
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.
Page 691 of 769

690 Practical hintsReplacing bulbsNotes on bulb replacement
Only use 12-volt-bulbs of the same
type and with the specified watt rating.
Switch lights off before changing a bulb
to prevent short circuits.
Always use a clean lint-free cloth when
handling bulbs.
Your hands should be dry and free of oil
and grease.
If the newly installed bulb does not
come on, contact an authorized
Mercedes-Benz Center.
Have the LEDs and bulbs for the following
lamps replaced by an authorized
Mercedes-Benz Center:
Bi-Xenon lamps
Front turn signal lamps
Front fog lamps
Additional turn signal lamps in the exte-
rior rear view mirrors
Parking and standing lamps
Front side marker lamps
High mounted brake lamp
Brake, tail and rear standing lamps
Rear side marker lamps
Rear fog lamp
Rear turn signal lamps
Rear side marker lamps
License plate lamps
Warning!
G
Bulbs and bulb sockets can be very hot. Al-
low the lamp to cool down before changing
a bulb.
Keep bulbs out of reach of children.
Halogen lamps contain pressurized gas. A
bulb can explode if you:
touch or move it when hot
drop the bulb
scratch the bulb
Wear eye and hand protection.
Because of high voltage in Xenon lamps, it is
dangerous to replace the bulb or repair the
lamp and its components. We recommend
that you have such work done by a qualified
technician.
!
Do not replace the LEDs yourself. You could
otherwise damage the LEDs or parts of the vehi-
cle. Only have the LEDs replaced by an autho-
rized Mercedes-Benz Center.
i
Have the headlamp adjustment checked
regularly.