Page 126 of 400

126 Controls in detailControl systemInstrument cluster submenu
Access the
INSTRUMENT CLUSTER
submenu
via the
SETTINGS
menu. Use the
INSTRUMENT CLUSTER
submenu to change
the instrument cluster display settings.
The following functions are available:Set time (hours)
This function can only be seen with audio
system.
Move the selection marker with
theæ orç button to the INSTRUMENT CLUSTER
submenu.
Press buttonj ork repeatedly
until you see this message in the
display:
TIME SETTINGS – HOURS
.The selection marker is on the hour
setting.
Pressæ orç to set the hour.
Set time (minutes)
This function can only be seen with audio
system.
Move the selection marker with
theæ orç button to the INSTRUMENT CLUSTER
submenu.
Function
Page
Set time (hours)
126
Set time (minutes)
126
Select time display mode
127
Select temperature display
mode
127
Select speedometer display
mode
128
Select language
128
Select display (speed display or
outside temperature)
129
iVehicles with COMAND*:
For information on setting the time,
refer to the separate COMAND
operating instructions.
iVehicles with COMAND*:
For information on setting the time,
refer to the separate COMAND
operating instructions.
Page 127 of 400
127 Controls in detail
Control system
Press buttonj ork repeatedly
until you see this message in the
display:
TIME SETTINGS – MINUTES
.
The selection marker is on the minute
setting.
Pressæ orç to set the minutes.Selecting time display mode
Move the selection marker with
theæ orç button to the INSTRUMENT CLUSTER
submenu.
Press buttonj ork repeatedly
until you see this message in the
display:
12/24 HOUR
.
The selection marker is on the current
setting.
Pressæ orç to set the
12h
or
24h
time display mode.Selecting temperature display mode
Move the selection marker with
theæ orç button to the INSTRUMENT CLUSTER
submenu.
Press buttonj ork repeatedly
until you see this message in the
display:
TEMP. INDICATOR
.
The selection marker is on the current
setting.
Pressæ orç to set temperature
unit to degrees Celsius (°C) or degrees
Fahrenheit (°F).
Page 128 of 400
128 Controls in detailControl systemSelecting speedometer display mode
Move the selection marker with
theæ orç button to the INSTRUMENT CLUSTER
submenu.
Press buttonj ork repeatedly
until you see this message in the
display:
DISPLAY VALUES IN
.
The selection marker is on the current
setting.
Pressæ orç to set
speedometer unit to
Km or
Miles
.Selecting language
Move the selection marker with
theæ orç button to the INSTRUMENT CLUSTER
submenu.
Press buttonj ork repeatedly
until you see this message in the
display:
TEXT
.
The selection marker is on the current
setting.
Pressæ orç to select the
language to be used for the
multifunction display messages.Available languages:
German
English
French
Italian
Spanish
Page 129 of 400

129 Controls in detail
Control system
Selecting display (speed display or
outside temperature)
Move the selection marker with
theæ orç button to the INSTRUMENT CLUSTER
submenu.
Press buttonj ork repeatedly
until you see this message in the
display:
SELECT DISPLAY
.
The selection marker is on the current
setting.
Pressæ orç to select the
display permanently shown in the
multifunction display.Lighting submenu
Access the
LIGHTING
submenu via the
SETTINGS
menu. Use the
LIGHTING
submenu to change the lamp and lighting
settings on your vehicle. The following
functions are available:Setting daytime running lamp mode
(USA only)
Move the selection marker with
theæ orç button to the LIGHTING
submenu.
Press buttonj ork repeatedly
until you see this message in the
display:
LIGHT CIRCUIT HEADLIGHT
MODE
.
The selection marker is on the current
setting.
Pressæ orç to select manual
or daytime running lamp (constant)
mode. This function is not available in
countries where daytime running
lamps are mandatory.
Function
Page
Set daytime running lamp mode
(USA only)
129
Set locator lighting
130
Exterior lamps delayed shut-off
131
Interior lighting delayed shut-off
132
Page 137 of 400

137 Controls in detail
Control system
Fuel consumption statistics after start
Press buttonÿ orè repeatedly
until you see the first function of the
Trip computer menu.
Press buttonj ork repeatedly
until you see this message in the
display:
AFTER START
.
1Distance driven since start
2Time elapsed since start
3Average fuel consumption since start
4Average speed since startFuel consumption since last reset
Press buttonÿ orè repeatedly
until you see the first function of the
Trip computer menu.
Press buttonj ork repeatedly
until you see this message in the
display:
AFTER RESET
.
1Distance driven since last reset
2Time elapsed since last reset
3Average fuel consumption since last
reset
4Average speed since last resetResetting fuel consumption statistics
Press buttonÿ orè repeatedly
until you see the first function of the
Trip computer menu.
Press buttonj ork repeatedly
until you see the reading that you want
to reset in the display.
Press and hold the reset button in the
instrument cluster (
page 22) until
the value is reset to0.
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 229 of 400

229 Controls in detail
Useful features
Upgrade signals
The Tele Aid system processes calls using
the following priority:
Automatic emergency – First priority
Manual emergency – Second priority
Roadside assistance – Third priority
Information – Fourth priority
Should a higher priority call be initiated
while you are connected, an upgrade
(alternating) tone will be heard, and the
appropriate indicator lamp will flash. If
certain information such as vehicle identi-
fication number or customer information is
not available, the operator may need to
retransmit.
During this time you will hear a beep and
voice contact will be interrupted. Voice
contact will resume once the retrans-
mission is completed. Once a call is
concluded, a beep will be heard and the
respective indicator lamp will stop flash-
ing. The COMAND* system operation will
resume.
!If the indicator lamp continues to flash
or the system does not reset, contact
the Response Center at
1-800-756-9018 (in the USA) or
1-888-923-8367 (in Canada), or
Mercedes-Benz Customer Assistance
at 1-800-FOR-MERCedes
(1-800-367-6372) in the USA or
Customer Service at 1-800-387-0100
in Canada.iThe indicator lamp in the respective
button flashes until the call is con-
cluded. Calls can only be terminated by
a Response Center or Customer Assis-
tance Center representative except
Roadside Assistance and Information
calls, which can also be terminated by
pressing buttonì on the multifunc-
tion steering wheel.
iWhen a Tele Aid call has been initiated,
the audio system or the COMAND* sys-
tem audio is muted and the selected
mode (radio, tape or CD) pauses. The
optional cellular phone (if installed)
switches off. If you must use this
phone, the vehicle must be parked. Dis-
connect the coiled cord and place the
call. The COMAND* navigation system
(if engaged) will continue to run. The
display in the instrument cluster is
available for use, and spoken com-
mands are only available by pressing
the RPT button on the COMAND* unit.
A pop-up window will appear in the
COMAND* display to indicate that a
Tele Aid call is in progress.
Page 240 of 400

240 OperationDriving instructionsBrakesTo help prevent brake disk corrosion after
driving on wet road surfaces (particularly
salted roads), it is advisable to brake the
vehicle with considerable force prior to
parking. The heat generated serves to dry
the brakes.
If your brake system is normally only
subject to moderate loads, you should
occasionally test the effectiveness of the
brakes by applying above-normal braking
pressure at higher speeds. This will also
enhance the grip of the brake pads.
If the parking brake is released and the
brake warning lamp in the instrument
cluster stays on, the brake fluid level in the
reservoir is too low.Brake pad wear or a leak in the system may
be the reason for low brake fluid in the
reservoir.
Have the brake system inspected
immediately. Contact your authorized
Mercedes-Benz Center.
All checks and service work on the brake
system should be carried out by qualified
technicians only. Contact your authorized
Mercedes-Benz Center.
Only install brake pads and brake fluid
recommended by Mercedes-Benz.Warning!
G
After driving in heavy rain for some time
without applying the brakes or through wa-
ter deep enough to wet brake components,
the first braking action may be somewhat
reduced and increased pedal pressure may
be necessary to obtain expected braking ef-
fect. Maintain a safe distance from vehicles
in front.
Resting your foot on the brake pedal will
cause excessive and premature wear of the
brake pads.
It can also result in the brakes overheating,
thereby significantly reducing their effec-
tiveness. It may not be possible to stop the
vehicle in sufficient time to avoid an acci-
dent.
!Be very careful not to endanger other
road users when you apply the brakes.
Refer to the description of the Brake
Assist System (BAS) (
page 73).
Warning!
G
If other than recommended brake pads are
installed, or other than recommended brake
fluid is used, the braking properties of the
vehicle can be degraded to an extent that
safe braking is substantially impaired. This
could result in an accident.
Page 265 of 400

265 Operation
Maintenance
Maintenance
We strongly recommend that you have
your vehicle serviced by your authorized
Mercedes-Benz Center, in accordance with
the Service Booklet at the times called for
by the FSS (Flexible Service System).
Failure to have the vehicle maintained in
accordance with the Service Booklet at the
designated times/mileage called for by
the FSS may result in vehicle damage not
covered by the Mercedes-Benz Limited
Warranty.
FSS will notify you when your next service
is due.
Approximately one month before your next
service is due, one of the following
messages will appear in the multifunction
display while you are driving or when you
switch on the ignition (example service A):SERVICE A IN XX DAYS
SERVICE A IN XX MILES (KM)
SERVICE A DUE NOW!
The type of service due is indicated in the
multifunction display:
9Minor service (A)
´Major service (B)
Clearing the service indicator
The service indicator is automatically
cleared
after ten seconds when you switch on
the ignition or when reaching the
service threshold while driving
after 30 seconds, once the suggested
service term has passed
You can also clear it yourself.
Press the reset button on the
instrument cluster (
page 22).
Service term exceeded
If you have exceeded the suggested
service term, you will see the following
message in the multifunction display:SERVICE A EXCEEDED BY XX DAYS
SERVICE A EXCEEDED BY XX MI (KM)An acoustic signal will also sound.
iThe interval between services depends
on your driving habits. A gentle driving
style, moderate engine speeds and the
avoidance of short-distance trips will
lengthen the interval between services.