Page 683 of 769

682 Practical hintsWhere will I find ...?Vehicle jack
Storage position
Remove vehicle jack from its
compartment.
Turn crank handle in direction of arrow
as far as it will go.
Operational position
Turn crank handle clockwise.
Before storing the vehicle jack in its
compartment:
It should be fully collapsed.
The handle must be folded in (storage
position).
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 engage the electronic parking brake
and block wheels before raising vehicle with
jack.
Do not disengage electronic 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 brack-
et. Always lower the vehicle onto sufficient
capacity jackstands before working under
the vehicle.
Page 685 of 769
684 Practical hintsUnlocking/locking in an emergencyUnlocking the vehicle
If you cannot unlock the vehicle with the
SmartKey or KEYLESS-GO*, unlock the
driver’s door and the trunk using the me-
chanical key. Removing the mechanical key
1Mechanical key locking tab
2Mechanical key
Move locking tab1 in the direction of
arrow.
Slide mechanical key2 out of the
housing.Unlocking the driver’s door
Insert mechanical key2 into the driv-
er’s door lock until it stops.
Turn mechanical key2 counterclock-
wise to position1 and hold it there.
Pull the door handle until the locking
knob moves up.
The driver’s door is unlocked.
Pull the door handle once more to open
the driver’s door.
i
Unlocking the vehicle with the mechanical
key and opening the driver’s door or the trunk
with the mechanical key will trigger the anti-theft
alarm system (
page 79).
To cancel the alarm, insert the SmartKey or
SmartKey with KEYLESS-GO* in the starter
switch.
1
Unlocking
2
Mechanical key
Page 687 of 769

686 Practical hintsReplacing SmartKey batteriesIf the batteries in the SmartKey/SmartKey
with KEYLESS-GO* are discharged, the ve-
hicle can no longer be locked or unlocked.
It is recommended to have the batteries re-
placed at an authorized Mercedes-Benz
Center.Batteries contain materials that can harm
the environment if disposed of improperly.
Recycling of batteries is the preferred
method of disposal. Many states require
sellers of batteries to accept old batteries
for recycling.
Replacement batteries: Lithium, type
CR 2025 or equivalent.
Remove the mechanical key out of the
SmartKey/SmartKey with
KEYLESS-GO* (
page 684).1Mechanical key
2Battery compartment
Insert mechanical key 1 into opening.
Press mechanical key 1 in direction of
arrow.
The battery compartment is unlatched.
Pull battery compartment 2 out of the
housing.
Warning!
G
Batteries contain poisonous and corrosive
substances. Therefore keep the batteries
out of reach of children.
If a battery is swallowed, seek medical help
immediately.Warning!
G
Air bags contain Perchlorate material, which
may require special handling and regard for
the environment. Check with your local gov-
ernment’s disposal guidelines. California
residents, see
http://www.dtsc.ca.gov/HazardousWaste
/Perchlorate/index.cfm.
i
When inserting the batteries, make sure
they are clean and free of lint.
i
When changing batteries, always replace
both batteries.
The required replacement batteries are available
at any authorized Mercedes-Benz Center.
Page 692 of 769
691 Practical hints
Replacing bulbs
Replacing bulbs for front lamps
You can only change the halogen bulbs for,
high-beam flasher lamp, corner-illuminat-
ing lamp, and IR emitter* lamp.
Before you start to replace a bulb for a
front lamp, do the following first:
Turn the exterior lamp switch to M
(page 391).
Open the hood (
page 553).
Headlamp, left1Cover
2Tab
Removing cover: Pull cover1 on
tab2 in direction of arrow and re-
move cover1.
Bi-Xenon headlampsHigh beam flasher lamp
Headlamp, left1Installation device
Pull installation device1 up (left
headlamp) or down (right headlamp)
and remove the bulb together with
installation device1 from the head-
lamp.
Warning!
G
Do not remove the cover for the Bi-Xenon
headlamp. Because of high voltage in Xenon
lamps, it is dangerous to replace the bulb or
repair the lamp and its components. We rec-
o mme n d th a t y o u h av e s uc h wo rk don e by a
qualified technician.
Page 696 of 769

695 Practical hints
Replacing wiper blades
Vehicles with KEYLESS-GO*
Make sure the vehicle’s on-board elec-
tronics have status 1 (
page 366).
Turn combination switch to wiper
settingu (
page 400).
Press KEYLESS-GO start/stop button
repeatedly until windshield wipers
start.
Press KEYLESS-GO start/stop button
when the wiper arms are in a vertical
position.
Removing wiper blades
Fold the wiper arm forward until it
snaps into place.
Turn the wiper blade at a right angle to
wiper arm (arrow 1).
Slide the wiper blade sideways out of
the retainer in the direction of
arrow2.
Installing wiper blades
Slide the wiper blade onto wiper arm
until it locks in place.
Rotate the wiper blade into position
parallel to wiper arm.
Fold the wiper arm backward to rest on
the windshield. Make sure you hold
onto the wiper when folding the wiper
arm back.
!
Do not pull on the wiper blade inserts. They
could tear.
!
Make certain that the wiper blades are prop-
erly installed. Improperly installed wiper blades
may cause windshield damage.
Page 714 of 769
713 Practical hints
Towing the vehicle
Installing towing eye bolt
1Cover on right side of front bumper
1Cover on right side of rear bumperRemoving cover
Press mark on cover1 in the direction
of arrow.
Lift cover off to reveal the threaded
hole for towing eye bolt.
Installing towing eye bolt
Take towing eye bolt and wheel wrench
out of the vehicle tool kit in the trunk
(page 681).
Screw towing eye bolt clockwise into
its stop and tighten with wheel wrench.Removing towing eye bolt
Loosen towing eye bolt counterclock-
wise with wheel wrench.
Unscrew towing eye bolt.
Store towing eye bolt and wheel
wrench in the vehicle tool kit in the
trunk.
Installing cover
Fit cover1 and snap into place.
Page 717 of 769
716 Practical hintsFusesBox on the front passenger sideExample illustration from CL 5501Retaining lugs
2Cover
Opening
Press retaining lugs1.
Remove cover2.
Closing
Attach cover2.
Press cover2 down manually.
Fuse boxes in passenger compartment
Fuse boxes in dashboard
1Cover1Cover
Opening
Open the respective door.
Using your hands, pull cover1 in the
direction of the arrow and remove.
Closing
Hook cover1 into the opening at the
front.
Press cover1 back on until it engag-
es.
!
The cover must fit properly, as otherwise
moisture or dirt may impair the functionality of
the fuses.
!
Do not use sharp objects such as a screw
driver to open the fuse box cover in the dash-
board, as this could damage it.