Page 425 of 521

424 Practical hintsWhere will I find ...?Vehicle tool kit
The vehicle tool kit is stored in the com-
partment underneath the trunk floor
(page 422).
The vehicle tool kit includes:
One pair of universal pliers
One towing eye bolt
One wheel wrench
One alignment bolt
One fuse extractor
Spare fuses
Collapsible wheel chock
A pair of gloves
Setting up the collapsible wheel chock
The collapsible wheel chock serves to
additionally secure the vehicle, e.g. while
changing the wheel.1Tilt the plates 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.
Vehicle jackWarning!
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 426 of 521
425 Practical hints
Where will I find ...?
The vehicle jack is located in the storage
compartment underneath the trunk floor
(page 422).
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).
Page 427 of 521
426 Practical hintsUnlocking/locking in an emergencyUnlocking the vehicle
If you cannot unlock the vehicle with the
SmartKey or SmartKey with
KEYLESS-GO*, open the driver’s door and
the trunk using the mechanical key. Removing the mechanical key
1Mechanical key locking tab
2Mechanical key
Move locking tab1 in direction of ar-
row.
Slide mechanical key2 out of the
housing.Unlocking the driver’s door
1Unlocking
Insert the mechanical key into the
driver’s door lock until it stops.
Turn the mechanical key counterclock-
wise to position1.
The driver’s door is unlocked.
iUnlocking your vehicle with the me-
chanical key will trigger the anti-theft
alarm system. To cancel the alarm, do
one of the following:
Press button Œ or ‹ on the
SmartKey.
Insert the SmartKey in the starter
switch.
Vehicles with KEYLESS-GO*
Pull the outside door handle.
Press the KEYLESS-GO* start/stop
button.
Page 428 of 521

427 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.
The handle is located above the rear li-
cense plate recess.
1Unlocking in an emergency
2Handle
Insert the mechanical key into the
trunk lid lock until it stops.
Turn the mechanical key counterclock-
wise to position1 and hold it in this
position.
Pull the handle2 and lift the trunk lid.
The trunk opens.
Turn the mechanical key back and re-
move it from the trunk lid lock.
Locking the vehicle
If you are unable to lock the vehicle with
the SmartKey or SmartKey with
KEYLESS-GO*, do the following:
Close the passenger door, the rear
doors and the trunk.
Press the central locking switch in the
center console (
page 130).
Check to see whether the locking
knobs on the doors have moved down.
If necessary, push them down
manually.
Remove the mechanical key out of the
SmartKey (
page 426).
Check whether the trunk is locked.
If necessary, lock the trunk with the
mechanical key (
page 128).
Except for the driver’s door, the vehicle
should now be locked.
1Locking
Insert the mechanical key into the
driver’s door lock until it stops.
Turn the mechanical key clockwise to
position1.
The driver’s door is locked.
!Always make sure there is sufficient
overhead clearance.
Page 429 of 521
428 Practical hintsUnlocking/locking in an emergencyFuel 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 the trunk.
Remove right-side tail trim.
Turn release knob1 clockwise (ar-
row).
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.
1Pin
Open the storage compartment in the
center armrest (
page 279).
Take out the cup holder (
page 279).
Insert a suitable object1 (e.g. a pin)
through the hole and press the pin
downward.
Remove pin1.
iThe gear selector lever is locked again
when moving it to positionP.
Page 443 of 521

442 Practical hintsFlat tirePreparing the vehicle
Prepare the vehicle as described
(page 441).
Vehicles with Minispare wheel
(except E 55 AMG):
Take the Minispare wheel, wheel
wrench and the jack out of the trunk
(page 422).
Vehicles with collapsible tire
(E 55 AMG only):
Take the collapsible tire, wheel wrench,
jack and electric air pump out of the
cargo compartment (
page 422).Lifting the vehicle
Prevent the vehicle from rolling away
by blocking wheels with wheel chocks
or other sizable objects.
One wheel chock is included with the
vehicle tool kit (
page 424).
When changing wheel on a level surface:
Place the wheel chock in front of and
another sizable object behind the
wheel that is diagonally opposite to the
wheel being changed.
Always try lifting the vehicle using the jack
on a level surface. However, should
circumstances require you to do so on a
hill, place the wheel chock and the other
sizeable object as follows:
Place the wheel chock and another siz-
able object on the downhill side block-
ing both wheels of the axle not being
worked on.
Warning!
G
The jack is designed exclusively for jacking
up the vehicle at the jack take-up brackets
built into either side 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 level surface. Be sure that the jack arm is
fully seated in the jack take-up bracket. Al-
ways lower the vehicle onto sufficient ca-
pacity jackstands before working under the
vehicle.
Page 446 of 521

445 Practical hints
Flat tire
Guide the spare wheel onto the align-
ment bolt and push it on.
Insert wheel bolts and tighten them
slightly.
Unscrew the alignment bolt, install last
wheel bolt and tighten slightly.
Vehicles with collapsible tire
(E 55 AMG only):
Continue the procedure by following
the instructions under “Inflating the
collapsible tire” (
page 445) and then
“Lowering the vehicle” (
page 447).
Vehicles with Minispare wheel
(except E 55 AMG):
Continue the procedure by following
the instructions under “Lowering the
vehicle” (
page 447).Inflating the collapsible tire
(E 55 AMG only)
Take the electric air pump out of the
trunk (
page 422).
Warning!
G
Only use Genuine equipment
Mercedes-Benz wheel bolts. Other wheel
bolts may come loose.
Do not tighten the wheel bolts when the ve-
hicle is raised. Otherwise the vehicle could
fall off the jack.
Warning!
G
Inflate collapsible tire only after the wheel is
properly mounted.
Inflate the collapsible tire using the electric
air pump before
lowering the vehicle.
Warning!
G
Observe instructions on air pump label.!Do not lower the vehicle before
inflating the collapsible tire. Otherwise
the rim may be damaged.
Page 448 of 521

447 Practical hints
Flat tire
Store the electrical plug 3 and the air
hose 4 behind the flap 1 and place
the electric air pump back in the desig-
nated storage space underneath the
trunk floor (
page 422).
Lowering the vehicle
Lower vehicle by turning crank coun-
terclockwise until vehicle is resting ful-
ly on its own weight.
Remove the jack.
1-5 Wheel bolts
Tighten the five wheel bolts evenly, fol-
lowing the diagonal sequence illustrat-
ed (1 to 5), until all bolts are tight.
Observe a tightening torque of 96 lb-ft
(130 Nm).
Before storing the jack, it should be fully
collapsed, with handle folded in (storage
position).
Store the jack and the other vehicle
tools in the designated storage space
underneath the trunk floor
(page 422).
Warning!
G
Have the tightening torque checked after
changing a wheel. The wheels could come
loose if they are not tightened to a torque of
96 lb-ft (130 Nm).
iWrap the damaged wheel in the protec-
tive film that comes with the spare
wheel and put the wheel in the trunk.
You can also place the damaged wheel
down into the spare wheel well. In this
case, you must stow the holder from
the spare wheel well in the trunk.
Do not activate the tire pressure moni-
toring system* until the depressurized
tire is no longer in the vehicle.