206 Controls in detailDriving systemsDeactivating Distronic
There are several ways to deactivate the
Distronic system:
Briefly tip the cruise control lever in the
direction of arrow3 (
page 203).
or
Step on the brake pedal.
Distronic will be deactivated. The last
speed set will be stored into memory.Distronic deactivates automatically when:
you set the parking brake
you drive slower than
25 mph (40 km/h)
the ESP is active (
page 78) or you de-
activate the ESP
you move the transmission selector le-
ver into positionN
A signal will sound. The
DISTRONIC OFF
message appears in the multifunction
display for approximately five seconds.Setting the following distance in
Distronic
You can set the specified following dis-
tance for Distronic by varying the time set-
ting between 1.0 and 2.0 seconds. Using
this time setting and the current speed of
your vehicle, Distronic calculates and sets
the required following distance to the vehi-
cle ahead. The set distance will be shown
in the multifunction display field.
The thumbwheel for making the time set-
ting is located on the lower section of the
center console.
iThe following message will appear in
the multifunction display for approxi-
mately five seconds:
DISTRONIC OFF
.
The last stored speed is deleted when
you turn off the engine.
Warning!
G
Distronic switches off and releases the
brakes when the vehicle decelerates below
the minimum speed of approximately
25 mph (40 km / h) by operation of the sys-
tem. At that time the driver must apply the
brakes in order to reduce vehicle speed fur-
ther or bring it to a stop.
207 Controls in detail
Driving systems
1Distance warning function on/off
switch
2Thumbwheel for setting distanceIncreasing distance
Increasing the distance setting causes Dis-
tronic to maintain a greater following dis-
tance to the vehicle ahead.
Turn thumbwheel 2 towards
¯
.
Decreasing distance
Decreasing the distance setting causes
Distronic to maintain a shorter following
distance to the vehicle ahead.
Turn thumbwheel2 towards
®
.Distance warning function
When Distronic is deactivated, this func-
tion will continue to warn you when recog-
nizing a stationary obstacle or a slower
vehicle moving in the vehicle’s path and
the danger of a collision exists:
The distance warning lamp
l
in the
instrument cluster lights up.
An intermittent warning sounds.
If these warnings are issued, you must
brake manually to maintain a safe distance
and avoid a collision with the vehicle
ahead.
When pressing the brake pedal, the warn-
ing sound stops. The warning sound also
stops when the distance to the vehicle
ahead is sufficient again without applying
the brake pedal. In this case the distance
warning lamp also extinguishes.
Warning!
G
I t is up t o t he d ri ver to exer c is e di s cr et io n to
select the appropriate setting given road
conditions, traffic, driver’s preferred driving
style and applicable laws and driving recom-
mendations for safe following distance.
212 Controls in detailDriving systemsVehicle level control with AIRMATIC
Your vehicle automatically adjusts its ride
height to:
reduce fuel consumption
increase vehicle safety
The vehicle chassis ride height is raised or
lowered according to the selected level
setting and to the vehicle speed:
With increasing speed, ride height is re-
duced by up to approximately
3/4inch
(20 mm).
With decreasing speed, the ride height
is again raised to the selected vehicle
level.The following vehicle level settings can be
selected when the vehicle is stationary:
Select the "Raised" level setting only when
required by current driving conditions.
Otherwise:
Fuel consumption may increase
Handling may be impairedThe switch with the indicator lamps is lo-
cated in the upper part of the center con-
sole.
1Indicator lamp
2Vehicle level control switch
iThese height adjustments are so small
that you may not notice any change.
LevelNormal
For driving on normal roads.
The indicator lamp is off.
Raised
For driving on rough roads or
with snow chains.The indica-
tor lamp is on.
Warning!
G
To help avoid personal injury, keep hands
and feet away from wheel housing area, and
stay away from under the vehicle when low-
ering the vehicle chassis.
215 Controls in detail
Driving systems
Vehicle level control with ABC*
Your vehicle automatically adjusts its ride
height to:
reduce fuel consumption
increase vehicle safety
The vehicle chassis ride height is raised or
lowered according to the selected level
setting and to the vehicle speed:
W it h incre as ing s pee d, rid e hei ght i s re -
duced by up to approximately 1.4 inch
(35 mm).
With decreasing speed, the ride height
is again raised to the selected vehicle
level.Select the level 1 and 2 settings only when
required by current driving conditions.
Otherwise:
Fuel consumption may increase
Handling may be impairediThese height adjustments are so small
that you may not notice any change.
Warning!
G
To help avoid personal injury, keep hands
and feet away from wheel housing area, and
stay away from under the vehicle when low-
ering the vehicle chassis.
235 Controls in detail
Useful features
Heated steering wheel*
The steering wheel heating warms up the
leather area of the steering wheel.
The lever is on the lower left-hand side of
the steering wheel.
1Switching on
2Indicator lamp
3Switching offSwitching on
Make sure that the ignition is switched
on.
All the lamps in the instrument cluster
should light up.
Turn lever in the direction of arrow1.
The steering wheel is heated. Indicator
lamp2 lights up.Switching off
Turn the lever in direction of arrow3.
The steering wheel heating is turned
off. Indicator lamp2 goes out.iThe steering wheel heating does not
turn off automatically.
236 Controls in detailUseful featuresTelephone*
Radio transmitters, such as a portable tele-
phone or a citizens band unit, should only
be used inside the vehicle if they are con-
nected to an antenna that is installed on
the outside of the vehicle.
The external antenna must be approved by
Mercedes-Benz. Please contact an autho-
rized Mercedes-Benz Center for informa-
tion on the installation of an approved
external antenna. Refer to the radio trans-
mitter operation instructions regarding use
of an external antenna.You can take and place telephone calls us-
ing the
í
and
ì
buttons on the
steering wheel. To carry out other tele-
phone functions, use the control system
(
page 130).
See separate operating manual for instruc-
tions on how to use the telephone.
Warning!
G
Never operate radio transmitters equipped
with a built-in or attached antenna (i.e. with-
out being connected to an external antenna)
from inside the vehicle while the engine is
running. Doing so could lead to a malfunc-
tion of the vehicle’s electronic system, pos-
sibly resulting in an accident and/or serious
personal injury.
Warning!
G
Please do not forget that your primary re-
sponsibility is to drive the vehicle. A driver’s
attention to the road must always be
his /her primary focus when driving. For
your safety and the safety of others, we rec-
ommend that you pull over to a safe location
and stop before placing or taking a tele-
phone call.
If you choose to use the telephone
1 while
driving, please use the hands-free device
and only use the telephone when road,
weather and traffic conditions permit. Some
jurisdictions prohibit the driver from using a
cellular telephone while driving a vehicle.
Only operate the COMAND (Cockpit Man-
agement and Data System)
1 if road, weather
and traffic conditions permit.
1Observe all legal requirements.
Bear in mind that at a speed of just 30 mph
(approximately 50 km / h), your vehicle is
covering a distance of approximately
44 feet (approximately 13.5 m) every sec-
ond.
237 Controls in detail
Useful features
Tele Aid The Tele Aid system
(Tele
matic A
larm I
dentification on D
e-
mand)
The Tele Aid system consists of three
types of response:
Automatic and manual emergency
Roadside Assistance, and
Information
The Tele Aid system is operational provid-
ing that the vehicle’s battery is charged,
properly connected, not damaged and cel-
lular and GPS coverage is available.
The speaker volume of a Tele Aid call can
be adjusted using the volume control on
the multifunction steering wheel. To turn
volume up, press button
æ
. Press
button
ç
to turn volume down.
To activate, press the SOS button, the
Roadside Assistance button
•
or
the Information button
¡
, depend-
ing on the type of response required.Shortly after the completion of your ac-
quaintance call, you will receive a user ID
and password via first call mail. By visiting
www.mbusa.com and selecting “Tele Aid”
(USA only), you will have access to account
information, remote door unlock, and
more.
!The initial activation of the Tele Aid sys-
tem may only be performed by com-
pleting the subscriber agreement and
placing an acquaintance call using the
SOS button. Failure to complete either
of these steps will result in a system
that is not activated. If the system is
not activated, the indicator lamp in the
SOS button stays on after turning
SmartKey in starter switch to
position2 or pressing KEYLESS-GO*
start/stop button (if so equipped)
twice to position2 (
page 33). The
message
TELE AID – NOT ACTIVATED
will be shown in the multifunction dis-
play for approximately 10 seconds.
If you have any questions regarding ac-
tivation, please call the Response Cen-
ter at 1-800-756-9018 (in the USA) or
1-888-923-8367 (in Canada).
iThe SOS button is located above the in-
side rear view mirror.
The Roadside Assistance button
•
and the Information button
¡
are
located below the center armrest cov-
er.
241 Controls in detail
Useful features
A voice connection between the Roadside
Assistance dispatcher and the occupants
of the vehicle will be established. When a
voice connection is established, the audio
system mutes and the message
TELE AID
– ROADSIDE ASSISTANCE CALL ACTIVE
ap-
pears in the multifunction display.
Describe the nature of the need for as-
sistance.
The Mercedes-Benz Roadside Assistance
dispatcher will either dispatch a qualified
Mercedes-Benz technician or arrange to
tow your vehicle to the nearest
Mercedes-Benz Center. For services such
as labor and/or towing, charges may ap-
ply. Refer to the Roadside Assistance man-
ual for more information.These programs are only available in the
USA:
Sign and Drive services: Services such
as jump start, a few gallons of fuel or
the replacement of a flat tire with the
vehicle spare tire are obtainable.
Remote Vehicle Diagnostics: This func-
tion permits the Mercedes-Benz Road-
side Assistance dispatcher to
download malfunction codes and actu-
al vehicle data.
iThe indicator lamp in the Roadside As-
sistance button
•
remains illumi-
nated in red for approx. 10 seconds
during the system self-check after turn-
ing the key in the starter switch to
position2 (together with the SOS but-
ton and the Information button
¡
).
See system self-check (
page 238)
when the indicator lamp does not light
up in red or stays on longer than ap-
proximately 10 seconds.
If the indicator lamp in the Roadside
Assistance button
•
is continuous-
ly illuminated and no voice connection
to the Response Center was estab-
lished, the Tele Aid system could not
initiate a Roadside Assistance call (e.g.
the relevant cellular phone network is
not available). The message
ROADSIDE
ASSISTANCE – CALL FAILED appears in
the multifunction display. Roadside As-
sistance calls can be terminated using
the
ì
button on the multifunction
steering wheel.