Page 151 of 442

149 Controls in detail
Control system
Fuel consumption statistics after start
Press buttonÿ orè repeatedly
until the first function of the Trip
computer menu appears in the
multifunction display.
Press buttonj ork repeatedly
until the message
After start
appears
in the multifunction display.
1Distance driven since start
2Time elapsed since start
3Average speed since start
4Average fuel consumption since startFuel consumption since last reset
Press buttonÿ orè repeatedly
until the first function of the Trip
computer menu appears in the
multifunction display.
Press buttonj ork repeatedly
until the message
After reset
appears
in the multifunction display.
1Distance driven since last reset
2Time elapsed since last reset
3Average speed since last reset
4Average fuel consumption since last
reset
iAll statistics stored since the last
engine start will be reset approximately
four hours after the SmartKey in the
starter switch is turned to position0 or
removed from the starter switch.
Resetting will not occur if you turn the
SmartKey back to position1 or2
within this time period.
Page 152 of 442

150 Controls in detailControl systemResetting fuel consumption statistics
Press buttonÿ orè repeatedly
until the first function of the Trip
computer menu appears in the
multifunction display.
Press buttonj ork repeatedly
until the reading that you want to reset
appears in the multifunction display.
Press and hold the reset button in the
instrument cluster (
page 117) until
the value is reset to0.Calling up range (distance to empty)
Press buttonÿ orè repeatedly
until the first function of the Trip
computer menu appears in the
multifunction display.
Press buttonj ork repeatedly
until the message
Distance
appears in
the multifunction display.
The calculated range based on the
current fuel tank level appears in the
multifunction display.
TEL menu*Warning!
G
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
recommend that you pull over to a safe
location and stop before placing or taking a
telephone call. If you choose to use the
telephone while driving, please use the
hands-free device and only use the
telephone when weather, road and traffic
conditions permit.
Some jurisdictions prohibit the driver from
using a cellular telephone while driving a
vehicle.
Bear in mind that at a speed of just 30 mph
(approximately 50 km/h), your vehicle is
covering a distance of 44 feet
(approximately 14 m) every second.
Page 153 of 442

151 Controls in detail
Control system
You can use the functions in the
TEL
menu
to operate your telephone, provided it is
connected to a hands-free system and
switched on.
Switch on the telephone and
COMAND*.
Press buttonÿ orè on the
steering wheel repeatedly until the
message
TEL
appears in the
multifunction display.
Which messages will appear in the
multifunction display depends on whether
your telephone is switched on or off:
If the telephone is off, the message PHONE OFF
appears in the multifunction
display.
If the telephone is on:
The telephone will then search for a
network. During this time the multi-
function display is empty.
As soon as the telephone has found a
network, the message
READY
appears in
the multifunction display.
This standby message indicates that your
telephone is ready for use and you can
operate it using the control system.Answering a call
When your telephone is ready to receive
calls, you can answer a call at any time. In
the multifunction display you will then see
the message:
Press buttons.
You have answered the call. The
duration of the call appears in the
multifunction display.
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,
possibly resulting in an accident and
personal injury.
Page 154 of 442
152 Controls in detailControl systemEnding a call
Press buttont.
You have ended the call. The standby
message appears in the multifunction
display.
Dialing a number from the phone book
If your telephone is ready to receive calls,
you may select and dial a number from the
phone book at any time.
Press buttonÿ orè repeatedly
until the message
TEL
appears in the
multifunction display.
Press buttonj ork.
The control system reads the phone
book which is stored in the telephone.
This may take up to 30 seconds. The
message
Please wait
appears in the
multifunction display.
When the message
Please wait
disappears, the phone book has been
loaded.
Press buttonj ork repeatedly
until the desired name appears in the
multifunction display.
The stored names are displayed in
ascending or descending alphabetical
order.
1Name from the phone book
Page 155 of 442

153 Controls in detail
Control system
Press buttons.
The system dials the selected phone
number.
If the connection is successful, the
name of the party you called and
the duration of the call will appear
in the multifunction display.
If no connection is made, the
control system stores the dialed
number in the redial memory.Redialing
The control system stores the most
recently dialed phone numbers. This
eliminates the need to search through your
entire phone book.
Press buttonÿ orè repeatedly
until the message
TEL
appears in the
multifunction display.
Press buttons.
The first number in the redial memory
appears in the multifunction display.
Press buttonj ork repeatedly
until the desired name appears in the
multifunction display.
Press buttons.
The control system dials the selected
phone number.
iIf you press and hold buttonj
ork for longer than one second,
the system scrolls rapidly through the
list of names until you release the
button again.
Cancel the quick search mode by
pressing buttont.
Page 166 of 442

164 Controls in detailAutomatic transmission*Steering wheel gearshift control (Speedshift) (C 55 AMG only)
You can change the gears manually on the
steering wheel or by using the gear
selector lever (
page 158).The steering wheel gearshift buttons are
located to the left and right of the steering
wheel.
1Left button: downshift
2Right button: upshift
!Allow engine to warm up under low
load use. Do not place full load on the
engine until the operating temperature
has been reached.
Shift into reverse gearR only when the
vehicle is stopped.
Avoid spinning of a drive wheel for an
extended period when driving off on
slippery road surfaces. This may cause
serious damage to the drivetrain which
is not covered by the Mercedes-Benz
Limited Warranty.
iYou cannot shift with the steering
wheel gearshift buttons when the gear
selector lever is in positionP,N orR.
The manual program modeM will not
be stored. When the engine is turned
off with the manual program modeM
selected, the transmission will go to
the automatic program mode (CorS)
when the engine is restarted.
The last selected program
mode (CorS) is switched on when the
engine is restarted in the automatic
program mode.
Page 167 of 442

165 Controls in detail
Automatic transmission*
Downshifting
Press button1 on the left side of the
steering wheel.
The transmission shifts to the next
lower gear.
The gear range is limited when you are not
driving in the manual program modeM
(
page 159).
When driving in the manual program
modeM (
page 165), the transmission
will shift from the current gear to the next
lower gear (page 166).Upshifting
Press button2 on the right side of the
steering wheel.
The transmission shifts to the next
higher gear.
The gear range is extended when you are
not driving in the manual program modeM
(
page 159).
When driving in the manual program
modeM (
page 165), the transmission
will shift from the current gear to the next
higher gear (page 167).
Manual shift program (C 55 AMG only)
In the manual program modeM you can
change the gears manually on the steering
wheel (
page 164) or by using the gear
selector lever (
page 158).
Warning!
G
On slippery road surfaces, never downshift
in order to obtain braking action. This could
result in drive wheel slip and reduced
vehicle control. Your vehicle’s ABS will not
prevent this type of loss of control.
!Allow engine to warm up under low
load use. Do not place full load on the
engine until the operating temperature
has been reached.
Shift into reverse gearR only when the
vehicle is stopped.
Avoid spinning of a drive wheel for an
extended period when driving off on
slippery road surfaces. This may cause
serious damage to the drivetrain which
is not covered by the Mercedes-Benz
Limited Warranty.
Page 168 of 442

166 Controls in detailAutomatic transmission*The program mode selector switch is
located on the lower part of the center
console.
1Program mode selector switch
M Manual For manual gear shifting
C Comfort For comfort driving
S Sport For standard drivingActivating manual shift program
Press program mode selector
switch1 repeatedly until the
M for the
manual program modeM appears in
the multifunction display.
The transmission switches to the
manual program modeM. Automatic
shifting is switched off. The gear range
is not limited.
You can change the gears manually when
the gear selector lever is in positionD. You
can upshift or downshift through the gears
in succession.
The current gear selector lever position
and the selected program mode (M/C/S) is
indicated in the multifunction display
(
page 157).Downshifting
Briefly press the gear selector lever to
the left in theD-direction
(page 158).
or
Press button1 on the left side of the
steering wheel (
page 164).
The transmission shifts to the next
lower gear.
Warning!
G
On slippery road surfaces, never downshift
in order to obtain braking action. This could
result in drive wheel slip and reduced
vehicle control. Your vehicle’s ABS will not
prevent this type of loss of control.iWhen you brake or stop, the transmis-
sion shifts down to a gear from which
you can easily accelerate or take off.