Page 306 of 400
306 Practical hintsUnlocking/locking in an emergencyUnlocking the tailgate
A minimum height clearance of 6.40 ft
(1.95 m) is required to open the tailgate.
The emergency release is located on the
inside of the tailgate.
1Release lever
2Cover
Remove cover2 from the trim on the
tailgate.
Push release lever1 all the way to the
right.
Open the tailgate.
Locking the vehicle
If you are unable to lock the vehicle with
the SmartKey, lock it with the mechanical
key as follows:
Close the passenger doors and the
tailgate.
Press the central locking switch in the
cockpit (
page 89).
Check to see whether the locking
knobs on the passenger doors are
down. If necessary push them down
manually.
Slide mechanical key out of the
SmartKey (
page 305).
Lock the driver’s door with the
mechanical key (
page 305).
Changing batteries in the SmartKey
If the batteries in the SmartKey are
discharged, the vehicle can no longer be
locked or unlocked. It is recommended to
have the batteries replaced 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.
!The tailgate swings open upwards
automatically. Always make sure there
is sufficient overhead clearance.
Warning!
G
Keep the batteries out of reach of children.
If a battery is swallowed, seek medical help
immediately.
Page 307 of 400
307 Practical hints
Unlocking/locking in an emergency
1Mechanical key
2Battery compartment
Replacement batteries: Lithium, type
CR 2025 or equivalent.
Remove mechanical key1
(page 305).
Insert mechanical key1 in side
opening and push grey slide.
Battery compartment2 is unlatched.
Pull battery compartment2 out of the
SmartKey housing in direction of
arrow.
3Battery
4Contact spring
Remove the batteries.
Using a lint-free cloth, insert new
batteries under contact spring with the
plus (+) side facing up.
Return battery compartment2 into
housing until it locks into place.
Slide mechanical key1 back into the
SmartKey.
iWhen changing batteries, always
replace both batteries.
The required replacement batteries are
available at any Mercedes-Benz
Center.
iWhen inserting the batteries, make
sure they are clean and free of lint.
Page 308 of 400
308 Practical hintsUnlocking/locking in an emergencyFuel filler flap
In case the central locking system does
not release the fuel filler flap, you can open
it manually.
Open the tailgate.
Press button1.
Fold down trim panel2.
Reach inside through opening3 in
direction of arrow.
Turn release knob4 clockwise
(arrow).
The fuel filler flap can now be opened.Manually unlocking the transmission
gear selector lever
In the case of power failure the transmis-
sion gear selector lever can be manually
unlocked, e.g. to tow the vehicle.
1Coin holder
2Tool
Open the storage compartment in front
of the center armrest (
page 217).
Release coin holder1 (e.g. using a
small coin).
Swing coin holder1 aside.
Insert a tool2 (e.g. flat blade
screwdriver) into the opening.
Perform the following two steps
simultaneously:
Push tool2 down.
Move gear selector lever from
positionP.
Reinstall coin holder1 after removing
tool2 from the opening.iThe gear selector lever is locked again
when moving it to positionP.
Page 309 of 400
309 Practical hints
Opening/closing in an emergency
Opening/closing in an emergency
Sliding/pop-up roof*
You can open or close the sliding/pop-up
roof manually should an electrical
malfunction occur.
The sliding/pop-up roof drive is located
behind the lens1 of the interior overhead
light.
Pry off lens1 using a flat blade
screwdriver.
Slide both locking tabs2 in direction
of arrow.
Lower rear of cover and remove.
Remove cover.
Obtain crank3.
Insert crank3 through hole.
Turn crank3 clockwise to:
slide roof closed
raise roof at the rear
Turn crank3 counterclockwise to:
slide roof open
lower roof at the rear
The sliding/pop-up roof must be
resynchronized after being operated
manually (
page 201).
iDo not disconnect electrical
connectors.
Page 312 of 400
312 Practical hintsReplacing bulbsReplacing bulbs for front lamps
Halogen headlamps
1Bulb socket for turn signal lamp
2Headlamp cover for high beam head-
lamp and for parking and standing
lamp
3Headlamp cover for low beam head-
lamp4Low beam bulb
5High beam bulb
6Bulb socket for parking and standing
lamp
Low and high beam bulb
Switch off the lights.
Open the hood (
page 252).
Press the clamp and remove headlamp
cover2 or3.
Pull electrical connector off.
Unclip the retainer springs and take out
the bulb.
Insert the new bulb so that the base
locates in the recess on the holder.
Clip the retainer springs and plug the
connector onto the bulb.
Align headlamp cover2 or3 and
click into place.
Front turn signal lamp bulb
Switch off the lights.
Open the hood (
page 252).
Twist bulb socket1 counterclockwise
and pull out.
Push bulb into socket, turn counter-
clockwise and remove.
Insert new bulb in socket, push in and
twist clockwise.
Reinsert bulb socket in lamp and twist
clockwise.
Page 314 of 400
314 Practical hintsReplacing bulbs
Twist bayonet socket5 counterclock-
wise to the stop (do not remove).
Pull the bulb out of the socket.
Insert the new bulb so that the base
locates in the recess in bayonet
socket5.
Twist bayonet socket clockwise until
you hear it snap into place.
Plug the connector onto the bulb.
Align lamp cover2 and click into
place.Front turn signal lamp bulb
Switch off the lights.
Open the hood (
page 252).
Twist bulb socket1 counterclockwise
and pull out.
Push bulb into socket, turn counter-
clockwise and remove.
Insert new bulb in socket, push in and
twist clockwise.
Reinsert bulb socket in lamp and twist
clockwise.Parking and standing lamp bulb
Switch off the lights.
Open the hood (
page 252).
Press the clamp and remove lamp
cover2.
Pull out bulb socket6 with the bulb.
Pull the bulb out of bulb socket.
Insert a new bulb in the socket.
Reinstall bulb socket.
Align lamp cover2 and click into
place.
Page 315 of 400
315 Practical hints
Replacing bulbs
Side marker lamp bulb
Switch off the lights.
Carefully slide lamp towards rear.
Remove front end first.
Twist bulb socket counterclockwise
and pull out.
Pull bulb out of the bulb socket.
Insert new bulb in socket.
Reinstall bulb socket, push in and twist
clockwise.
To reinstall lamp, set rear end in
bumper and let front end snap into
place.
Replacing bulbs for rear lamps
Tail lamp assemblies
Open tailgate (
page 87).
Switch off the lights.
Press button1 on the corresponding
side.
Fold down trim panel2.
Squeeze tabs together3.
Remove bulb holder.
Page 316 of 400
316 Practical hintsReplacing bulbs4Brake lamp
5Turn signal lamp
6Backup lamp
7Rear fog lamp (driver’s side)/tail lamp,
parking, standing and side marker
lamp
Gently push bulb into socket, turn
counterclockwise and pull out.
Insert new bulb and turn clockwise.
Reinstall bulb socket.
Reinstall bulb holder and close trim
panel.License plate lamp
1Screws
Switch off the lights.
Loosen both screws1 and remove
lamp.
Replace the tubular lamp and reinstall
lamp.
Retighten the screws.
