ContentsReplacing bulbs ................................. 404
Bulbs ............................................ 404
Replacing bulbs for front lamps.... 407
Replacing bulbs for rear lamps ..... 409
Replacing wiper blades ...................... 410
Wiper blades ................................ 410
Flat tire .............................................. 412
Preparing the vehicle.................... 412
Mounting the spare wheel ............ 412
MOExtended system*................... 419
Battery ............................................... 420
Disconnecting the battery ............ 421
Removing the battery ................... 421
Charging and reinstalling
the battery.................................... 422
Reconnecting the battery ............. 422
Jump starting ..................................... 423
Towing the vehicle ............................. 425
Installing towing eye bolt.............. 426
Fuses ................................................. 428
Main fuse box in passenger
compartment................................ 429
Fuse box in trunk.......................... 429
Technical data................................. 431
Parts service ...................................... 432
Warranty coverage............................. 433
Loss of Service and Warranty
Information Booklet ..................... 433
Identification labels ........................... 434
Layout of poly-V-belt drive ................. 436
CLS 550 ....................................... 436
CLS 63 AMG ................................ 436
Engine................................................ 437
Rims and tires.................................... 438
Same size tires ............................. 439
Mixed size tires ............................ 441
MOExtended tires* ....................... 444
Spare wheel ................................. 445
Electrical system ............................... 447
Main dimensions and weights............ 448
Main dimensions .......................... 448
Weights ........................................ 448Fuels, coolants, lubricants etc. .......... 449
Capacities .................................... 449
Engine oils ................................... 451
Engine oil additives ...................... 451
Air conditioning refrigerant .......... 451
Brake fluid.................................... 451
Premium unleaded gasoline ......... 452
Fuel requirements ........................ 452
Gasoline additives ........................ 453
Coolants ...................................... 453
Windshield washer system and
headlamp cleaning system*......... 456
Index................................................. 457
283 Operation
At the gas station
At the gas station
Refueling
The fuel filler flap is located on the
right-hand side of the vehicle towards the
rear. Locking/unlocking the vehicle with
the remote control automatically
locks/unlocks the fuel filler flap.
1Fuel filler flap
2Fuel filler cap
3Holder
Turn the engine off
by turning the SmartKey to
position0.
by pressing the KEYLESS-GO*
start/stop button. Open the driv-
er’s door (with the driver’s door
open, starter switch is now in
position0, same as SmartKey
removed from starter switch).
Warning!
G
Gasoline is highly flammable and poisonous.
It burns violently and can cause serious per-
sonal injury.
Never allow sparks, flame or smoking mate-
rials near gasoline!
Turn off the engine before refueling.
Whenever you are around gasoline, avoid in-
haling fumes and skin or clothing contact,
extinguish all smoking materials.
Direct skin contact with fuels and the inha-
lation of fuel vapors can damage your
health.
!
Damage resulting from the use of non ap-
proved fuels or fuel additives or resulting from
mixing gasoline with diesel fuel is not covered by
the Mercedes-Benz Limited Warranty.
284 OperationAt the gas station
Open fuel filler flap1 by pushing at
the point indicated by the arrow.
The fuel filler flap springs open.
Turn fuel cap2 counterclockwise and
hold on to it until possible pressure is
released.
Take off fuel cap2 and place it into
holder3 located on the inside of the
fuel filler flap.
To prevent fuel vapors from escaping
into open air, fully insert filler nozzle
unit.
Only fill your tank until the filler nozzle
unit cuts out – do not top off or over-
fill.
Replace fuel cap by turning it clockwise
until it audibly engages.
Close the fuel filler flap.Warning!
G
Overfilling of the fuel tank may create pres-
sure in the system which could cause a gas-
oline fuel discharge. This could cause the
gasoline fuel to spray back out when remov-
ing the fuel pump nozzle, which could cause
personal injury.i
Make sure to close the fuel filler flap before
locking your vehicle as the flap locking pin pre-
vents closing after you have locked the vehicle.
i
Leaving the engine running and the fuel cap
open can cause the yellow fuel tank reserve
warning lamp to flash and the malfunction indi-
cator lampú(USA only) or the malfunction
indicator lamp±(Canada only) to illuminate.
See also “Practical hints” section (
page 345).
i
Only use premium unleaded gasoline with a
minimum Posted Octane Rating of 91 (average of
96 RON/86 MON). Information on gasoline
quality can normally be found on the fuel pump.
For more information on gasoline, see the Facto-
ry Approved Service Products pamphlet.
296 OperationTires and wheelsLoading the vehicle
Two labels on your vehicle show how much
weight it may properly carry.
1) The Tire and Loading Information
placard can be found on the driver’s
door B-pillar. This placard tells you im-
portant information about the number
of people that can be in the vehicle and
the total weight that can be carried in
the vehicle. It also contains information
on the proper size and recommended
tire inflation pressures for the original
equipment tires on your vehicle.2) The Certification label, also found on
the driver’s door B-pillar tells you about
the gross weight capacity of your vehi-
cle, called the Gross Vehicle Weight
Rating (GVWR). The GVWR includes the
weight of the vehicle, all occupants,
fuel and cargo. The Certification label
also tells you about the front and rear
axle weight capacity, called the Gross
Axle Weight Rating (GAWR). The GAWR
is the total allowable weight that can be
carried by a single axle (front or rear).
Never exceed the GVWR or GAWR for
either the front axle or rear axle.
1Driver’s door B-pillarFollowing is a discussion on how to work
with the information contained on the plac-
ard with regards to loading your vehicle.
Tire and Loading Information
Warning!
G
Do not overload the tires by exceeding the
specified total load limit as indicated on the
placard on the driver’s door B-pillar. Over-
loading the tires can overheat them, possi-
bly causing a blowout. Overloading the tires
can also result in handling or steering prob-
lems, or brake failure.i
Data shown on placard example are for illus-
tration purposes only. Load limit data are specif-
ic to each vehicle and may vary from data shown
in the illustration below. Refer to placard on ve-
hicle for actual data specific to your vehicle.
303 Operation
Tires and wheels
Checking tire inflation pressure
manually
Follow the steps below to achieve correct
tire inflation pressure:
Remove the cap from the valve on one
tire.
Firmly press a tire gauge onto the
valve.
Read tire inflation pressure on tire
gauge and check against the recom-
mended tire inflation pressure on the
placard on the driver’s door B-pillar
(page 296) or, if available, the inside
of the fuel filler flap. If necessary, add
air to achieve the recommended tire
inflation pressure.
Install the valve cap.
Repeat this procedure for each tire.
Warning!
G
Follow recommended tire inflation
pressures.
Do not underinflate tires. Underinflated tires
wear excessively and/or unevenly,
adversely affect handling and fuel economy,
and are more likely to fail from being over-
heated.
Do not overinflate tires. Overinflated tires
can adversely affect handling and ride
comfort, wear unevenly, increase stopping
distance, and result in sudden deflation
(blowout) because they are more likely to
become punctured or damaged by road
debris, potholes etc.
Do not overload the tires by exceeding the
specified total load limit as indicated on the
placard located on the driver’s door B-pillar.
Overloading the tires can overheat them,
possibly causing a blowout.
i
If you have overfilled the tire, release tire in-
flation pressure by pushing the metal stem of the
valve with e.g. a tip of a pen. Then recheck the
tire inflation pressure with the tire gauge.
323 Operation
Tires and wheels
Tire and loading terminology
Accessory weight
The combined weight (in excess of those
standard items which may be replaced) of
automatic transmission, power steering,
power brakes, power windows, power
seats, radio, and heater, to the extent that
these items are available as
factory-installed equipment (whether
installed or not).
Air pressure
The amount of air inside the tire pressing
outward on each square inch of the tire.
Air pressure is expressed in pounds per
square inch (psi), or kilopascal (kPa) or
bars.
Aspect ratio
Dimensional relationship between tire
section height and section width
expressed in percentage.Bar
Another metric unit for air pressure. There
are 14.5038 pounds per square inch (psi)
to 1 bar; there are 100 kilopascals (kPa)
to 1 bar.
Bead
The tire bead contains steel wires wrapped
by steel cords that hold the tire onto the
rim.
Cold tire inflation pressure
Tire inflation pressure when your vehicle
has been sitting for at least 3 hours or driv-
en no more than 1 mile (1.6 km).
Curb weight
The weight of a motor vehicle with stan-
dard equipment including the maximum
capacity of fuel, oil, and coolant, and, if so
equipped, air conditioning and additional
optional equipment, but without passen-
gers and cargo.DOT (D
epartment o
f T
ransportation)
A tire branding symbol which denotes the
tire meets requirements of the
U.S. Department of Transportation.
GAWR (G
ross A
xle W
eight R
ating)
The GAWR is the maximum permissible
axle weight. The gross vehicle weight on
each axle must never exceed the GAWR for
the front and rear axle indicated on the
Certification label located on the driver’s
door B-pillar.
GVW (G
ross V
ehicle W
eight)
The GVW comprises the weight of the
vehicle including fuel, tools, spare wheel,
installed accessories, passengers and
cargo and, if applicable, trailer tongue
load. The GVW must never exceed the
GVWR indicated on the Certification label
located on the driver’s door B-pillar.
346 Practical hintsWhat to do if …Problem
Possible cause/consequence
Suggested solution
ú
(USA only)
±
(Canada only)
The yellow engine malfunction
indicator lamp comes on while
driving.
A loss of pressure has been detected in the
fuel system. The fuel cap may not be closed
properly or the fuel system may be leaky.
Check the fuel cap.
If it is not closed properly:
Close the fuel cap.
If it is closed properly:
Have the fuel system checked by an
authorized Mercedes-Benz Center.
Your fuel tank is empty.
After refuelling start, turn off and re-
start the engine three or four times in
succession.
The limp-home mode is canceled. You do
not need to have your vehicle checked.
378 Practical hintsWhat to do if …Display symbol
Display messages
Possible cause/consequence
Possible solution
A
Reserve fuel
The fuel level has dropped below the re-
serve mark.
Refuel at the next gas station
(page 283).
Gas cap is open
A loss of pressure has been detected in
the fuel system. The fuel cap may not be
closed properly or the fuel system may be
leaky.
Check the fuel cap (
page 283).
If it is not closed properly:
Close the fuel cap.
If it is closed properly:
Have the fuel system checked by an
authorized Mercedes-Benz Center.
»
Replace air cleaner
The air cleaner is clogged.
Have the air cleaner checked by an
authorized Mercedes-Benz Center.
F
Remove key
You have forgotten to remove the
SmartKey.
Remove the SmartKey from the start-
er switch.
F
Get a new key
The SmartKey is malfunctioning.
Contact an authorized
Mercedes-Benz Center.
F
Key
still in vehicle
A SmartKey with KEYLESS-GO* left in the
vehicle was recognized while locking the
vehicle from the outside.
Take the SmartKey with
KEYLESS-GO* out of the vehicle.