Page 384 of 480

383 Practical hints
Where will I find ...?
Where will I find ...?
First aid kit
The first aid kit is located in storage com-
partment under the passenger seat.
1Handle
2Lid
Pull handle 1 up.
Fold lid 2 down.
You can now remove the first-aid kit.
Vehicle tool kit, jack, and spare wheel
The vehicle tool kit, jack, and spare wheel
are stored in the space underneath the
trunk floor.
Lift up the trunk floor cover.
You can now remove the tools and ac-
cessories.
The vehicle tool kit includes
One pair of universal pliers
Two open-end wrenches
One hex-socket wrench
One interchangeable slot/Phillips
screwdriver
One towing eye bolt
One alignment bolt
One fuse extractor
One fuse chart for the main fuse
box
Spare fuses
The jack is exclusively designed for lifting
the vehicle during a wheel change. Always
lower the vehicle on sufficient capacity
jack stands before working under the vehi-
cle.
iCheck expiration dates and contents
for completeness at least once a year
and replace missing/expired items.
Page 408 of 480

407 Practical hints
Flat tire
Keeping jack in this position, turn
crank3 clockwise until the jack base
meets the ground. Make sure the jack
is vertical (plumb line).
Continue to turn the crank until the tire
is a maximum of 1.2 in (3 cm) from the
ground.Removing the wheel
1Alignment bolt
Unscrew upper-most wheel bolt and re-
move.
Replace this wheel bolt with alignment
bolt1 supplied in the tool kit.
Remove the remaining bolts.
Remove the wheel.Mounting the new wheel
Clean contact surfaces of wheel and
wheel hub.
Guide the spare wheel onto the align-
ment bolt and push it on.
Insert wheel bolts and tighten them
slightly.
!Do not place wheel bolts in sand or dirt.
This could result in damage to the bolt
and wheel hub threads.
Warning!
G
Inflate spare wheel tire only after the wheel
is properly mounted.
Inflate the spare wheel tire using the electric
pump (
page 408) before
lowering the ve-
hicle.
Warning!
G
Always replace wheel bolts that are dam-
aged or rusted.
Never apply oil or grease to wheel bolts.
Page 409 of 480

408 Practical hintsFlat tire
Unscrew the alignment bolt, install last
wheel bolt and tighten slightly.Inflating the spare tire
Take the electric air pump out of the
trunk (
page 383).
1Flap
2Air pump switch
3Electrical plug
4Air hose with pressure gauge and vent
screw
5Union nut
Open flap 1 on air pump.
Pull out electrical plug 3 and air hose
with the pressure gauge 4.
Remove the valve cap from the tire
valve.
Screw union nut 5 onto the tire valve.
Insert electrical plug 3 into vehicle ci-
gar lighter socket.
Damaged wheel hub threads should be re-
paired immediately. Do not continue to drive
under these circumstances! Contact an au-
thorized Mercedes-Benz Center or call
Roadside Assistance.
Incorrect wheel bolts or improperly tight-
ened wheel bolts can cause the wheel to
come off. This could cause an accident. Be
sure to use the correct wheel bolts.Warning!
G
Only use genuine equipment
Mercedes-Benz wheel bolts. They are identi-
fied by the Mercedes star. 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.
!Do not lower the vehicle before inflat-
ing the spare wheel tire. Otherwise the
rim may be damaged.Warning!
G
Observe instructions on air pump label.
Page 454 of 480

453 Technical terms
ABS
(A
ntilock B
rake S
ystem)
Prevents the wheels from locking up
during braking so that the vehicle can
continue to be steered.
ABC
(A
ctive B
ody C
ontrol)
Active, computer-controlled system
that hydraulically adjusts the suspen-
sion at all four wheels in response to
various driving situations.
Accessory weight
(
page 310)
Air pressure
(page 310)
Alignment bolt
Metal pin with thread. The alignment
bolt, or centering bolt, is an aid used
when changing a tire to align the wheel
with the wheel hub.
Aspect ratio
(page 310)BabySmart
TM airbag deactivation
system
This system detects if a special system
compatible child restraint seat is in-
stalled on the front passenger seat. The
system will automatically deactivate
the passenger front airbag when such a
seat is properly installed (indicator
lamp 7 on the glove box comes on
and remains illuminated).
BabySmartTM compatible child seats
Special restraint system for children.
The sensor system for the passenger
seat prevents deployment of the pas-
senger front airbag if a BabySmart
TM
compatible child seat is installed. See
your authorized Mercedes-Benz Center
for availability.
Bar
(
page 310)BAS
(B
rake A
ssist S
ystem)
System for potentially reducing braking
distances in emergency braking situa-
tions. The system is activated when it
senses an emergency based on how
fast the brake is applied.
Bead
(
page 310)
Bi-Xenon headlamps*
Headlamps which use an electric arc as
the light source and produce a more in-
tense light than filament headlamps.
Bi-Xenon headlamps produce low
beam and high beam.
CAC
(Customer A
ssistance C
enter)
Mercedes-Benz customer service cen-
ter, which can help you with any ques-
tions about your vehicle and provide
assistance in the event of a break-
down.