Page 394 of 481

393 Practical hints
Where will I find...?
Store the collapsible tire by carrying
out the steps described in “Removing
the collapsible tire” (
page 392) in re-
verse order.
Compressing the collapsible tire
(CLS 63 AMG with Performance Pack-
age* only)
The 19" collapsible tire must be com-
pressed with two tensioning straps before
you can store it back in the trunk.
Extend the tensioning strap by pulling
the slider.
Place tensioning strap around spare
wheel rim and collapsible tire with the
buckle facing the inside of the rim.
Close the buckle.
Pull the loose end of the tensioning
strap.
The tensioning strap must be pulled as
tight as possible.
Vehicle tool kit
The vehicle tool kit is stored in the com-
partment underneath the trunk floor
(page 391).
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 fuses
i
Vehicles with 19" collapsible tire only: Be-
fore storing the collapsible tire in trunk fasten
tensioning straps, see “Compressing the col-
lapsible tire (CLS 63 AMG with Performance
Package* only)” (
page 393).
!
Always lower trunk floor before closing the
trunk.
i
The electrical air pump is located in the stor-
age well casing (
page 392).
i
The tensioning straps are shown in red for
illustration purposes. The tensioning straps on
the spare wheel of your vehicle are black.
Page 416 of 481

415 Practical hints
Flat tire
Jack up the vehicle until the wheel is a
maximum of 1.2 in (3 cm) from the
ground. Never start engine while
vehicle is raised.Removing the wheel
1Alignment bolt
Unscrew the upper-most wheel bolt
and remove.
Replace this wheel bolt with alignment
bolt1 supplied in the tool kit.
Remove the remaining bolts.
Remove the wheel.Mounting the spare 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.
Warning!
G
The jack is intended only for lifting the
vehicle briefly for wheel changes. It is not
suited for performing maintenance work
under the vehicle.
Never start the engine when the vehicle
is raised.
Never lie down under the raised vehicle.
!
Do not place wheel bolts in sand or dirt. This
could result in damage to the bolt and wheel hub
threads.
Warning!
G
Vehicles with collapsible tire:
Inflate collapsible tire only after the wheel is
properly mounted.
Inflate the collapsible tire using the electric
pump (
page 416) before
lowering the
vehicle.
!
To avoid paint damage, place wheel flat
against hub and hold it there while installing first
wheel bolt.
Page 417 of 481

416 Practical hintsFlat tire
Unscrew the alignment bolt, install last
wheel bolt and tighten slightly.
Vehicles with Minispare wheel:
Continue the procedure by following
the instructions under “Lowering the
vehicle” (
page 418).
Vehicles with collapsible tire:
Continue the procedure by following
the instructions under “Inflating the
collapsible tire” and then “Lowering the
vehicle” (
page 418).Inflating the collapsible tire
Take the electric air pump out of the
trunk (
page 391).
Warning!
G
Always replace wheel bolts that are dam-
aged or rusted.
Never apply oil or grease to wheel bolts.
Damaged wheel hub threads should be
repaired immediately. Do not continue to
drive under these circumstances! Contact
an authorized 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 Mercedes-Benz wheel
bolts. Other wheel bolts may come loose.
Do not tighten the wheel bolts when the
vehicle is raised. Otherwise the vehicle
could fall off the jack.
!
Do not lower the vehicle before inflating the
collapsible tire. Otherwise the rim may be dam-
aged.
Warning!
G
Observe instructions on air pump label.