150 Tire inflation pressure monitor
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Tire inflation pressure monitor
The tire inflation pressure, as selected by the driver, is
monitored in all four wheels on the ground. A warning
is issued to the driver in the case of a decrease in the
inflation pressure in one or more of the tires.Inquiry of present tire inflation pressure
Turn electronic key in starter switch to position 1 or 2.
Pressè or ÿbutton on the multifunction
steering wheel until the display for trip and main
odometer appears, see page 124.
Press thej or kbutton repeatedly until the tire
inflation pressure monitor is displayed.
The present tire inflation pressure for each wheel is
displayed in multifunction display.
Wa r n i n g !
The tire inflation pressure monitor does not
indicate a warning for wrongly selected inflation
pressures. Always adjust tire inflation pressure
according to the label affixed on the fuel filler flap.
See page 345 for tire inflation pressure.The tire inflation pressure monitor is not able to
issue a warning due to a sudden loss of pressure
(e.g. tire puncture caused by a foreign object). In
this case bring vehicle to a halt by carefully
applying the service brakes and avoiding abrupt
steering maneuvers.
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152 Tire inflation pressure monitor
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Pressè or ÿbutton on the multifunction
steering wheel until the display for trip and main
odometer appears, see page 124.
Press thej or kbutton repeatedly until the tire
inflation pressure monitor appears.
Press and hold button Jon the instrument cluster
until the message “MONITOR CURRENT TIRE
PRESSURES?” appears. Release button J.Press and hold button Jon the instrument cluster
again until the message “TIRE PRESS. CONTROL –
ACTIVATED!” appears.
The tire inflation pressure monitor is now activated and
monitors the presently selected tire pressure for all four
wheels on the ground.
Repeat above steps if the multifunction display shows
the message “TIRE PRESS. CONTROL – REACTIVATE!”.
A multifunction display showing the message
“TIREPRESSURE–CHECKTIRES!” indicates a much
too low tire inflation pressure. Check and correct tire
inflation pressure again on all wheels, and repeat the
tire inflation pressure monitor activation steps listed
above.
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154 Engine oil level indicator
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and controlsOperationDrivingInstrument
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Engine oil level indicator
To check the engine oil level, park vehicle on level
ground, with engine at normal operational temperature.
Check oil level approximately 5 minutes after stopping
the engine, allowing for the oil to return to the oil pan.
The message “PERF. SERV. ON TIME” (perform service
[engine oil level check] on time) will be displayed if the
required waiting period has not been observed after
stopping the engine:
•with engine at operational temperature approx.
5minutes.•with engine not at operational temperature up to
approx. 30 minutes.
The engine oil level check can be repeated after a short
time.
Turn the electronic key in starter switch to position 2.
To call up the trip odometer and main odometer, press
buttonè orÿ on the multifunction steering
wheel until the display appears. See page 124.
Press buttonj ork on the multifunction
steering wheel repeatedly until the “WHEN
MEASURING – CAR MUST BE LEVEL” engine oil level
indicator appears. This indicator is only a reminder.
Measurement can be cancelled by pressing buttonj
ork if the vehicle is not parked on level ground. An
incorrect reading will be recorded if you do not cancel
the measurement. Move the vehicle to level ground and
measure again.
The electronic key in starter switch is not in position 2 if
the “ENGINE OIL LEVEL – SWITCH ON IGNITION”
message appears.
The “ENGINE OIL LEVEL – MEASURING NOW”
message is displayed after approximately 3 seconds.
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160 Combination switch
Te ch n ica l
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and controlsOperationDrivingInstrument
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Combination switch
1Low beam
(exterior lamp switch positionB)
2High beam
(exterior lamp switch positionB)3High beam flasher (high beam available
independent of exterior lamp switch position)
4Turn signals, right
5Turn signals, left
To signal minor directional changes, such as changing
lanes on a highway, move combination switch brief ly to
the point of resistance only and release. The turn
signals blink three times.
To operate the turn signals continuously, move the
combination switch past the point of resistance (up or
down). The switch is automatically canceled when the
steering wheel is turned to a large enough degree.
Turn signal failure
If one of the turn signals fails, the turn signal indicator
system f lashes and sounds at a faster than normal rate.
P54.25-2388-26
5
2
1
4
3
4
5
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210 Tele Aid
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Te l e A i d
Important!
The initial activation of the Tele Aid system may only be
performed by completing 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 electronic key in starter switch to
position 2 (vehicles with KEYLESS-GO:
operating position, see page 224) and the message
“TELE AID – NOT ACTIVATED” will be shown in the
multifunction display for approx. 10 seconds.
If you have any questions regarding activation, please
call the Response Center at 1-800-756-9018 (in the USA)
or 1-888-923-8367 (in Canada).
(Te l ematic Alarm Identification on Demand)
The Tele Aid system consists of three types of response;
automatic and manual emergency, roadside assistance
and information.
The Tele Aid system is operational providing that the
vehicle’s battery is charged, properly connected, not
damaged and cellular and GPS coverage is available.The speaker volume of a Tele Aid call can be adjusted
when using the volume control on the multifunction
steering wheel, for raising press buttonæand for
lowering press buttonç.
To activate, press the “SOS” button, the Roadside
Assistance button• or the Information button¡,
depending on the type of response required.
Shortly after the completion of your Acquaintance 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, Info Services* profile
and more.
* Optional System self-check
Initially, after turning the electronic key in starter
switch to position 2, malfunctions are detected and
indicated (the indicator lamps in the “SOS” button, the
Roadside Assistance button• and the Information
button¡ stay on longer than 10 seconds or do not
come on). The message “TELE AID – VISIT
WORKSHOP” appears for approx. 10 seconds in the
multifunction display.
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215 Tele Aid
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Notes:
The indicator lamp in the Roadside Assistance
button• remains illuminated in red for approx.
10 seconds during the system self-check after turning
electronic key in starter switch to position 2 (together
with the “SOS” button and the Information
button¡).
See system self-check on page 210 when the indicator
lamp does not light up in red or stays on longer than
approximately 10 seconds.
If the indicator lamp in the Roadside Assistance
button• is illuminated continuously and there was
no voice connection to the Response Center established,
then the Tele Aid system could not initiate an 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 Assistance calls can be terminated using the
ìbutton on the multifunction steering wheel.Information button ¡
Located below the center armrest cover is the
Information button¡. Pressing and holding the
button (for longer than 2 seconds) will initiate a call to
the Client Assistance Center. The button will flash while
the call is in progress. The message “INFO –
CONNECTING CALL” will appear in the multifunction
display. When the connection is established, the
message “INFO – CALL CONNECTED” appears in the
multifunction display. The Tele Aid system will transmit
data generating the vehicle identification number,
model, color and location (subject to availability of
cellular and GPS signals).
A voice connection between the Client Assistance
Center representative and the occupants of the vehicle
will be established. When a voice connection is
established the audio system mutes and the message
“TELE AID – INFO CALL ACTIVE” appears in the
multifunction display. Information regarding the
operation of your vehicle, the nearest Mercedes-Benz
Center or Mercedes-Benz USA products and services is
ava il ab l e to you .
For more details concerning Tele Aid, please visit
www.mbusa.com and use your ID and password, sent to
you separately, to learn more (USA only).
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216 Tele Aid
Te ch n ica l
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and controlsOperationDrivingInstrument
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Notes:
The indicator lamp in the Information button¡
remains illuminated in red for approx. 10 seconds
during the system self-check after turning electronic
key in starter switch to position 2 (together with the
“SOS” button and the Roadside Assistance button•).
See system self-check on page 210 when the indicator
lamp does not light up in red or stays on longer than
approximately 10 seconds.
If the indicator lamp in the Information button¡ is
illuminated continuously and there was no voice
connection to the Response Center established, then the
Tele Aid system could not initiate an Information call
(e.g. the relevant cellular phone network is not
available). The message “info – CALL FAILED” appears
in the multifunction display.
Information calls can be terminated using the
ìbutton on the multifunction steering wheel.Important!
If the indicator lamps do not start flashing after
pressing one of the buttons or remain illuminated (in
red) at any time, the Tele Aid system has detected a fault
or the service is not currently active, and may not
initiate a call. Visit your Mercedes-Benz Center and
have the system checked or contact the Response Center
at 1-800-756-9018 (in the USA) or 1-888-923-8367 (in
Canada) as soon as possible.
Upgrade Signals
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 identification number or
client information is not available, the operator may
need to retransmit.
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217 Tele Aid
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index During this time you will hear a chirp and voice contact
will be interrupted. Voice contact will resume once the
retransmission is completed. Once a call is concluded, a
chirp will be heard and the appropriate indicator lamp
will stop flashing. The COMAND system operation will
resume.
Important!
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 Client Assistance at
1-800-FOR-MERCedes (1-800-367-6372) in the USA or
Customer Service at 1-800-387-0100 in Canada.Notes:
The indicator lamp in the respective button flashes until
the call is concluded. Calls can only be terminated by a
Response Center or Client Assistance Center
representative except Roadside Assistance and
Information calls, which can also be terminated by
pressing ìbutton on the multifunction steering
wheel.
When a Tele Aid call has been initiated, the COMAND
system 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. Disconnect the coiled cord and
place the call. The navigation system (if engaged) will
continue to run. The display in the instrument cluster is
available for use and spoken commands 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.
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