Page 312 of 614

XSelectSet Time Manuallyand press W
to confirm.
XSet the time by turning cVdthe COMAND
controller and press Wto confirm.
The time is accepted.
Text reader settings
XPress the Wbutton.
XSelect Systemby turning cVdthe
COMAND controller and press Wto con-
firm.
XSelect Text Reader Speedand press W
to confirm.
A list appears. The #dot indicates the cur-
rent setting.
XSelect a setting by turning cVdthe
COMAND controller and press Wto con-
firm.
Voice Control System settings
Opening/closing the help window
The help window provides information in addi-
tion to the audible instructions during indi-
vidualization and during the subsequent voice
control.
XPress W.
XSelect Systemby turning cVdthe
COMAND controller and press Wto con-
firm.
XSelect Voice Controland press Wto
confirm.
XSelect Help Windowand press Wto con-
firm.
You have switched the help window on O
or off ª.
Individualization
Using individualization, you can fine-tune the
Voice Control System to your own voice and thus improve voice recognition. See the sep-
arate operating instructions.
Bluetooth®settings
General information about Bluetooth
®
Bluetooth®-capable devices, e.g. mobile
phones, have to comply with a certain profile
in order to be connected to COMAND. Every
Bluetooth
®device has its own specific Blue-
tooth®name.
Bluetooth
®technology is a standard for
short-range wireless data transmissions up to
approximately 10 meters. Bluetooth
®allows,
for example, the exchange of vCards.
Bluetooth®is a registered trademark of Blue-
tooth Special Interest Group (SIG) Inc.
Activating/deactivating Bluetooth®
XPress W.
The system menu appears.
XSelect Settingsby turning cVdthe
COMAND controller and press Wto con-
firm.
XSelect ActivateBluetoothand press W
to confirm.
This switches Bluetooth
®on O or off ª.
Setting the system language
This function allows you to determine the lan-
guage for the menu displays and the naviga-
tion announcements. The selected language
affects the characters available for entry.
The navigation announcements are not avail-
able in all languages. If a language is not avail-
310System settings
COMAND
Page 564 of 614

!When towing vehicles with KEYLESS-GO,
use the key instead of the Start/Stop but-
ton. Otherwise, the automatic transmission
may shift to position Pwhen the driver's or
front-passenger door are opened, which
could lead to damage to the transmission.
!Make sure that the electric parking brake
is released. If the electric parking brake is
faulty, visit a qualified specialist workshop.
!The vehicle can be towed a maximum of
30 miles (50km). The towing speed of
30 mph (50 km/h) must not be exceeded.
If the vehicle has to be towed more than
30 miles (50km), the entire vehicle must be
raised and transported.
!If you tow or tow-start another vehicle, its
weight must not exceed the maximum per-
missible gross vehicle weight of your vehi-
cle.
iInformation on your vehicle's gross vehi-
cle weight rating can be found on the vehi-
cle identification plate; see the printed
Operator's Manual.
iInformation on your vehicle's gross vehi-
cle weight rating can be found on the vehi-
cle identification plate (
Ypage 601).
It is better to have the vehicle transported
than to have it towed away.
The automatic transmission must be in posi-
tion Nwhen the vehicle is being towed.
The battery must be connected and charged. Otherwise, you:
Rcannot turn the SmartKey to position 2in
the ignition lock
Rcannot shift the automatic transmission to position N.
Before the vehicle is towed, deactivate the
automatic locking feature (
Ypage 234). You
could otherwise be locked out when pushing
or towing the vehicle.
Installing/removing the towing eye
Installing the towing eye
GWARNING
The exhaust tail pipe may be very hot. There is
a risk of burns when removing the rear cover.
Do not touch the exhaust pipe. Take particular
care when removing the rear cover.
Example: towing eye mounting covers
:
Front cover
;Back cover
The mountings for the screw-in towing eyes
are located in the bumpers. They are at the
front and at the rear, behind the covers.
XRemove the towing eye from the vehicle
tool kit (
Ypage 550).
XFront bumper: insert a finger into the
recess on the bottom edge of cover :.
XPull cover:out of the bumper towards
you in the direction of the arrow.
Cover :is attached to the opening with a
strap.
XRear bumper: press the mark on cover ;
inwards in the direction of the arrow.
XTake cover ;off the opening.
XScrew in the towing eye clockwise as far as
it will go and tighten it.
562Towing and tow-starting
Breakdown assistance
Page 591 of 614

Tire-mounting tools should not be used
near the valve. This could damage the elec-
tronic components.
Only have tires changed at a qualified spe-
cialist workshop.
Always pay attention to the instructions and
safety notes when changing a wheel
(
Ypage 589).
The wear patterns on the front and rear tires
differ, depending on the operating conditions.
Rotate the wheels before a clear wear pattern
has formed on the tires. Front tires typically
wear more on the shoulders and the rear tires
in the center.
On vehicles that have the same size front and
rear wheels, you can rotate the wheels
according to the intervals in the tire manu-
facturer's warranty book in your vehicle docu-
ments. If no warranty book is available, the
tires should be rotated every 3,000 to
6,000 miles (5,000 to 10,000 km). Depending on tire wear, this may be required earlier. Do
not change the direction of wheel rotation.
Clean the contact surfaces of the wheel and
the brake disc thoroughly every time a wheel
is rotated. Check the tire pressure and, if nec-
essary, restart the tire pressure loss warning
system.
Direction of rotation
Tires with a specified direction of rotation
have additional benefits, e.g. if there is a risk
of hydroplaning. These advantages can only
be gained if the tires are installed correspond-
ing to the direction of rotation.
An arrow on the sidewall of the tire indicates
its correct direction of rotation.
Storing wheels
Store wheels that are not being used in a cool,
dry and preferably dark place. Protect the
tires from oil, grease, gasoline and diesel.
Mounting a wheel
Preparing the vehicle
XStop the vehicle on solid, non-slippery and
level ground.
XUnload the vehicle. The jack can only be
used when the vehicle is unladen.
XApply the electric parking brake manually.
XBring the front wheels into the straight-
ahead position.
XShift the transmission to position P.
XSwitch off the engine.
XVehicles without KEYLESS-GO:remove
the SmartKey from the ignition lock.
XVehicles with KEYLESS-GO: open the
driver's door.
The on-board electronics now have status
0. This is the same as the SmartKey having
been removed.
XVehicles with KEYLESS-GO: remove the
Start/Stop button from the ignition lock
(
Ypage 152).
XIf included in the vehicle equipment,
remove the tire-change tool kit from the
vehicle.
XSafeguard the vehicle against rolling away.
Securing the vehicle to prevent it from
rolling away
If your vehicle is equipped with a wheel chock,
it can be found in the tire-change tool kit
(
Ypage 550).
Changing a wheel589
Wheels and tires
Z
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