Page 367 of 498
365 Practical hints
What to do if …?
Display
Display message
Possible cause
Possible solution
ABS
Anti-lock
braking system
not working!
The charging voltage has fallen below
10 volts and the ABS has switched off.
The brake system is still functioning nor-
mally but without the ABS available.
When the voltage is above this value
again, the ABS is operational again.
Continue driving with added caution.
Wheels will lock during hard braking,
reducing steering capability.
Have the system checked at an autho-
rized Mercedes-Benz Center as soon
as possible.
Failure to follow these instructions in-
creases the risk of an accident.
Page 389 of 498
387 Practical hints
What to do if …?
Display symbol
Display message
Possible cause
Possible solution
_
Steering oil
Visit workshop!
The steering gear oil level is too low. There
is a danger of steering gear damage.
Have the system checked by an autho-
rized Mercedes-Benz Center.
Warning!
G
If the level of steering gear oil in reservoir is
too low, the steering power assistance could
fail. Much greater effort will then be needed
to turn the steering wheel.
Do not add steering oil without checking the
steering system.
Do not drive the vehicle. Have the system
checked at an authorized Mercedes-Benz
Center as soon as possible.
Page 390 of 498
388 Practical hintsWhat to do if …?Display symbol
Display message
Possible cause
Possible solution
K
Close
sunroof!
You have opened the driver’s door with
the SmartKey removed from the starter
switch and the tilt/sliding sunroof open.
Close the tilt/sliding sunroof
(page 251).
J
Close
sunroof!
You have opened the driver’s door with
the SmartKey removed from the starter
switch and the tilt/sliding sunroof open.
Close the tilt/sliding sunroof
(page 251).
t
Function
Unavailable
This display appears if button t or
son the multifunction steering wheel
is pressed and the vehicle is not equipped
with a telephone.
Ê
Trunk open!
This message will appear whenever the
trunk lid is open.
Close the trunk lid.
W
Washer fluid
Check level
The fluid level has dropped to about
1/3 of
total reservoir capacity.
Add washer fluid (
page 315).
Page 391 of 498
389 Practical hints
Where will I find...?
Where will I find...?
First aid kit
The first aid kit is located in the trunk on
the left side secured by a hook and loop
fastener.
Loosen hook and loop fastener.
Remove first aid kit.
Vehicle tool kit
The vehicle tool kit is located in the storage
compartment underneath the trunk floor.
The following is included:
Towing eye bolt
Wheel wrench
Alignment bolt
Vehicle jack
Spare wheel bolts
Spare fuses
Valve extractor (CLK 55 AMG only)
Protective wrap (CLK 55 AMG only)
Collapsible wheel chock
A pair of gloves Removing the vehicle tool kit (except
CLK 55 AMG)
Lift up trunk floor cover and engage
trunk floor handle in upper edge of
trunk.
1Retaining screw
2Storage well casing
Loosen retaining screw1 in the mid-
dle of storage well casing by turning it
counterclockwise.
Remove storage well casing2.
iCheck expiration dates and contents
for completeness at least once a year
and replace missing/expired items.
Page 392 of 498

390 Practical hintsWhere will I find...?3Arrow
4Minispare wheel
5Vehicle tool kit storage well casing
6Vehicle tool kit
Remove vehicle tool kit6.
Storing the vehicle tool kit
Place vehicle tool kit6 in vehicle tool
kit storage well casing5.
Place storage well casing2 over the
vehicle tool kit storage well casing5
and turn retaining screw1 clockwise
as far it will go to secure the Minispare
wheel.
Disengage trunk floor handle in upper
edge of trunk and lower trunk floor
cover.Removing the vehicle tool kit
(CLK 55 AMG only)
Lift up trunk floor cover and engage
trunk floor handle in upper edge of
trunk.
1Collapsible tire
2Vehicle tool kit (under collapsible tire)
3Retaining screw
Loosen retaining screw3 by turning it
counterclockwise.
Remove collapsible tire1.
Remove vehicle tool kit2.
iArrow3 on vehicle tool kit storage
well casing5 must point in the direc-
tion of travel. Otherwise you cannot
place the storage well casing2 on top
and secure the Minispare wheel with
retaining screw1.!To prevent damage, always disengage
trunk floor handle from upper edge of
trunk and lower trunk floor before
closing the trunk lid.
Page 393 of 498

391 Practical hints
Where will I find...?
1Vehicle jack
2Collapsible wheel chock and spare
wheel bolts
3Towing eye bolt
4Alignment bolt
5Wheel wrench
6Spare fuses and valve extractor
7Electric air pumpVehicle jackThe vehicle jack is located in the storage
compartment underneath the trunk floor.
Storage position
Remove vehicle jack from its
compartment.
Push crank handle up.
Warning!
G
The jack is designed exclusively for jacking
up the vehicle at the jack take-up brackets
built into both sides of the vehicle. To help
avoid personal injury, use the jack only to lift
the vehicle during a wheel change. Never
get beneath the vehicle while it is supported
by the jack. Keep hands and feet away from
the area under the lifted vehicle. Always
firmly set parking brake and block wheels
before raising vehicle with jack.
Do not disengage parking brake while the
vehicle is raised. Be certain that the jack is
always vertical (plumb line) when in use,
especially on hills. Always try to use the jack
on level surface. Make sure the jack arm is
fully seated in the jack take-up bracket.
Always lower the vehicle onto sufficient
capacity jackstands before working under
the vehicle.
Page 394 of 498
392 Practical hintsWhere will I find...?Operational position
Turn crank handle clockwise until it
engages (operational position).
Before storing the vehicle jack in its
compartment:
It should be fully collapsed.
The handle must be folded in (storage
position).Setting up the collapsible wheel chock
The collapsible wheel chock serves to
additionally secure the vehicle, e.g. while
changing the wheel.
1Tilt the plate upward
2Fold the lower plate outward
3Insert the plate
Tilt both plates upward1.
Fold the lower plate outward2.
Guide the tabs of the lower plate all the
way into the openings of the base
plate3.
Page 395 of 498

393 Practical hints
Where will I find...?
Minispare wheel (except CLK 55 AMG)
The Minispare wheel is located in the
storage compartment underneath the
trunk floor.
Removing the Minispare wheel
Lift up trunk floor cover and engage
trunk floor handle in upper edge of
trunk.
Loosen the retaining screw in the mid-
dle of storage well casing by turning it
counterclockwise (
page 389).
Remove the storage well casing
(page 389).1Vehicle tool kit
2Arrow
3Minispare wheel
4Vehicle tool kit storage well casing
Remove vehicle tool kit storage well
casing4.
Remove Minispare wheel3.Storing the Minispare wheel
Place Minispare wheel3 in wheel
well.
Place vehicle tool kit storage well
casing4 over the Minispare wheel.
Make sure arrow2 on vehicle tool kit
storage well casing4 points in the
direction of travel.
Place storage well casing (
page 389)
over vehicle tool kit storage well
casing4 and turn the retaining screw
(
page 389) clockwise as far it will go
to secure the Minispare wheel.
iArrow2 on vehicle tool kit storage
well casing4 must point in the
direction of travel. Otherwise you
cannot place the storage well casing
(page 389) on top and secure the
Minispare wheel with the retaining
screw (
page 389).