Page 400 of 498

399 Practical hints
Where will I find ...?
Removing the spare wheel
Turn luggage bowl counterclockwise.
Remove spare wheel2.
Storing the spare wheel
Place spare wheel2 in wheel well.
Turn luggage bowl clockwise to its stop 
to secure the spare wheel.
Vehicle tool kit
The vehicle tool kit is stored in the com-
partment underneath the trunk floor 
(page 398).
The vehicle tool kit includes:
One pair of universal pliers
One towing eye bolt
One wheel wrench
One alignment bolt
One fuse extractor
One collapsible wheel chock
Spare fusesVehicle jack
!Always lower trunk floor before closing 
the trunk.iVehicles with collapsible tire:
The electrical air pump is located under 
the luggage bowl3.
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, es-
pecially on hills. Always try to use the jack 
on a 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 401 of 498
400 Practical hintsWhere will I find ...?The vehicle jack is located in the storage 
compartment underneath the trunk floor.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 com-
partment:
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 
     
        
        Page 403 of 498
402 Practical hintsUnlocking/locking in an emergencyUnlocking the vehicle
If you are unable to unlock the vehicle with 
the SmartKey, open the driver’s door and 
the trunk using the mechanical key.
1Mechanical key locking tab
2Mechanical key
Move locking tab1 in the direction of 
the arrow and slide mechanical key2 
out of the housing.Unlocking the driver’s door
1Unlocking
Insert the mechanical key into the driv-
er’s door lock until it stops.
Turn the mechanical key counterclock-
wise to position1.
The driver’s door is unlocked.
iUnlocking driver’s door and/or the 
trunk with the mechanical key will trig-
ger the anti-theft alarm system. To can-
cel the alarm, insert the SmartKey or 
the SmartKey with KEYLESS-GO* in the 
starter switch. 
     
        
        Page 404 of 498

403 Practical hints
Unlocking/locking in an emergency
Unlocking the trunk
A minimum height clearance of 5.90 ft 
(1.80 m) is required to open the trunk lid. 
If you are unable to unlock the trunk with 
the SmartKey or KEYLESS-GO*, open the 
trunk with the mechanical key.
The handle is located above the rear 
license plate recess.
1Locking 
2Unlocking
Insert the mechanical key into the 
trunk lid lock.
Turn the mechanical key counterclock-
wise to position2 and hold it in this 
position.
Pull trunk handle and lift the trunk lid.
Turn the mechanical key clockwise to 
position1 and remove it.
Locking the vehicle
If you cannot lock the vehicle with the 
SmartKey or the SmartKey with 
KEYLESS-GO*, do the following:
Close the passenger doors and the 
trunk.
Press the central locking switch in the 
cockpit (
page 123).
Check to see whether the locking 
knobs on the passenger doors have 
moved down.
If necessary push them down manually.
Remove the mechanical key2 out of 
the SmartKey (
page 402).
Check whether the trunk is locked.
If necessary, lock the trunk with the 
mechanical key (
page 121).
Except for the driver's door, the vehicle 
should now be locked.
!Always make sure there is sufficient 
overhead clearance.
 
     
        
        Page 405 of 498
404 Practical hintsUnlocking/locking in an emergency1Locking
Insert the mechanical key into the driv-
er’s door lock until it stops.
Turn the mechanical key clockwise to 
position1.
The driver’s door is locked.
Fuel filler flap emergency release
In case the central locking system does 
not release the fuel filler flap, you can open 
it manually.
1Release knob
Open trunk.
Remove right-side tail trim.
Pull release knob1 in the direction of 
arrow.
The fuel filler flap can know be opened.Manually unlocking the gear selector 
lever
In case of power failure, the gear selector 
lever can be manually unlocked, e.g. to tow 
the vehicle.
1Selector lever cover
2Release
 
     
        
        Page 407 of 498
406 Practical hintsOpening/closing in an emergencyPower tilt/sliding sunroof
You can open or close the tilt/sliding sun-
roof manually should an electrical malfunc-
tion occur.
The tilt/sliding sunroof drive is located be-
hind lens1 of the interior overhead light.
1Cover
Remove the SmartKey from the starter 
switch.
Press on cover1 in direction of the 
arrow to release it.2Hole
3Crank
Take crank3 out of the glove box.
Insert crank3 through hole2.
Turn crank3 clockwise to:
slide roof panel/sunroof closed
raise roof panel/sunroof at the rear
Turn crank3 counterclockwise to:
slide roof panel/sunroof open
lower roof panel/sunroof at the 
rear
iTurn crank3 slowly and smoothly.
The tilt/sliding sunroof must be syn-
chronized after being operated 
manually (
page 221). 
     
        
        Page 415 of 498

414 Practical hintsReplacing bulbsReplacing bulbs for front lamps
1Housing cover for low beam halogen or 
Bi-Xenon* headlamp
2Housing cover for high beam head-
lamp/high beam flasher bulb and for 
parking and standing lamp bulb3Bulb socket for turn signal lamp bulb
4Bulb holder of high beam bulb
5Bulb socket for parking and standing 
lamp bulb
6Bulb holder of low beam bulb
Before you start to replace a bulb for a 
front lamp, do the following first:
Turn the exterior lamp switch to 
positionM (
page 134).
Open the hood (
page 293) (except 
for side marker lamps).Low beam bulb (halogen headlamps 
only)
Turn housing cover1 counterclock-
wise and remove it.
Turn bulb holder6 with the bulb coun-
terclockwise and remove it.
Pull the bulb at its socket out of bulb 
holder6.
Insert the new bulb so that its socket 
locates in the recess of bulb holder6 
and is level to it.
Reinsert bulb holder6 with the bulb in 
the lamp and turn clockwise.
Align housing cover1 and turn it 
clockwise.
Warning!
G
Do not remove the cover1 for the Bi-Xe-
non* headlamp. 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. 
     
        
        Page 416 of 498

415 Practical hints
Replacing bulbs
High beam bulb/high beam flasher 
bulb (halogen headlamps)/high beam 
flasher bulb (Bi-Xenon* headlamps)
Turn housing cover2 counterclock-
wise and remove it.
Turn bulb holder4 with the bulb coun-
terclockwise and remove it.
Pull the bulb at its socket out of bulb 
holder4.
Insert the new bulb so that its socket 
locates in the recess of bulb holder4 
and is level to it.
Reinsert bulb holder4 w i t h  t h e  b u l b  i n  
the lamp and turn clockwise.
Align housing cover2 and turn it 
clockwise.Front turn signal lamp bulb
Turn bulb socket3 with the bulb 
counterclockwise and remove it.
Press gently onto the bulb and turn 
counterclockwise out of bulb 
socket3.
Press the new bulb gently into bulb 
socket3 and turn clockwise until it 
engages.
Place bulb socket3 back into the 
lamp and turn it clockwise.Parking and standing lamp bulb
Turn housing cover2 counterclock-
wise and remove it.
Pull out bulb socket5 with the bulb.
Pull the bulb out of the bulb socket5.
Press the new bulb into bulb socket5.
Press bulb socket5 back into the 
lamp.
Align housing cover2 and turn it 
clockwise.