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i
If the gearshift recommendation is shown
in the multifunction display, it is not shown
in the status bar.
For further information on gearshift recom-
mendations, see (Y page 164).
Resetting values You can reset the values of the following func-
tions:
R
trip meter
R trip computer "From start"
R trip computer "From reset"
X Press the =or; button on the steer-
ing wheel to select the Trip menu.
X Press the 9or: button to select the
function that you wish to reset.
X Press a. Example: resetting the trip computer "From start"
X
Press :to select Yes and press
a
to confirm. Navigation menu
Displaying navigation instructions In the
Navi menu, the multifunction display
shows navigation instructions. For more
information, see the separate operating
instructions.
X Switch on the audio system or COMAND
APS (see the separate operating instruc-
tions).
X Press the =or; button on the steer-
ing wheel to select the Navi menu.Route guidance not active :
Direction of travel
; Current street
Activated route guidance No change of direction announced
:
Distance to the destination
; Distance to the next change of direction
= Current street
? Symbol "follow the road's course"
Change of direction announced without a
lane recommendation :
Road to which the change of direction
leads
; Distance to change of direction and visual
distance display
= Current street
? Change-of-direction icon
When a change of direction has been
announced, you will see visuald istance dis-
play ;next to the symbol for change of
direction ?.This shortens from the bottom 236
Menus and submenusOn-board computer and displays
Page 250 of 409

X
Press the =or; button on the steer-
ing wheel to select the Settings menu.
X Press the :or9 button to select the
Vehicle submenu.
X Press the abutton to confirm.
X Press the :or9 button to select the
Auto. door lock function.
When the Auto. door locks function is
activated, the vehicle doors are displayed
in red in the multifunction display.
X Press the abutton to save the setting.
Activating/deactivating the acoustic
locking confirmation
If you activate the Acoustic Lock function,
an audible signal sounds depending on the
vehicle's date of manufacture:
R when locking
or
R once when unlocking and three times when
locking
X Press the =or; button on the steer-
ing wheel to select the Settings menu.
X Press the :or9 button to select the
Vehicle submenu.
X Press the abutton to confirm.
X Press the :or9 button to select the
Acoustic Lock function.
If the Acoustic Lock function is activated,
the & symbol in the multifunction dis-
play lights up red.
X Press the abutton to save the setting.
Activating/deactivating the radar sensor
system
i You must deactivate the radar sensor sys-
tem in certain countries and near radio
telescope facilities. For further informa-
tion, see (Y page 398).
Vehicles with a navigation system: the radar
sensor system is deactivated automatically if
you are close to radio telescope facilities. The following systems are switched off when
the radar sensor system is deactivated:
R
DISTRONIC PLUS (Y page 185)
R BAS PLUS (Y page 70)
R PRE-SAFE ®
Brake (Y page 75)
R Blind Spot Assist (Y page 212)
R Active Blind Spot Assist (Y page 216)
X Press the =or; button on the steer-
ing wheel to select the Settings menu.
X Press the :or9 button to select the
Vehicle submenu.
X Press the abutton to confirm.
X Press the 9or: button to select
Radar sensor (See Owner's Man.): .
You will see the selected setting: on or
off .
X Press the abutton to save the setting.
Heating menu Auxiliary heating departure time
This function is only available on vehicles with
auxiliary heating (Y
page 145).
In the Heating submenu, you can select a
stored departure time or change a departure
time.
The auxiliary heating timer function calcu-
lates the switch-on time according to the out-
side temperature so that the vehicle is pre-
heated by the departure time. When the
departure time is reached, the auxiliary heat-
ing continues to heat for a further five
minutes and then switches off. The auxiliary
heating adopts the THERMATIC or
THERMOTRONIC temperature setting.
You can switch off the auxiliary heating by
using the remote control or the auxiliary heat-
ing button on the centre console. G
WARNING
Exhaust fumes are produced when the auxili-
ary heating is in operation. Inhaling these
exhaust fumes can be poisonous. You should
therefore switch off the auxiliary heating in Menus and submenus
247On-board computer and displays
Z
Page 271 of 409

Display messages Possible causes/consequences and
M Solutions
Radar sensor
deactivated autom.
See Owner's Manual Vehicles with a navigation system: the vehicle is close to a radio
telescope facility and is therefore prohibited from transmitting any
rada
rsignals .The radar sensor system has switched off automat-
ically (Y page 398).
DISTRONIC PLUS (Y page 185) is deactivated automatically if it is
activated. Awarning tone also sounds.
Blind Spo tAssist (Y page 212) or Active Blind Spot Assist
(Y page 216) is deactivated automatically if it is activated. The
yellow 9indicator lamps also light up in the exterior mirrors.
BAS PLUS (Brake Assist PLUS) (Y page 70) and PRE-SAFE®
Brake
(Y page 75) are also not available.
X Drive on.
Once you have moved far enough away from the radio telescope,
the above functions are available again. Radar sensor
deactivated See
Owner's Manual The radar sensor system is deactivated.
X
Check whether or not the radar sensor system may be activated
(Y page 398).
X Switch on the radar sensor system (Y page 247).Lane Keeping
Assist currently
unavailable See
Owner's Man‐
ual orActive Lane
Keeping Assist cur‐
rently unavailable
See Owner's Manual Lane Keeping Assist or Active Lane Keeping Assist is deactivated
and temporarily inoperative. Possible causes:
R
the windscreen is dirty in the camera's field of vision.
R visibility is impaired due to heavy rain, snow or fog.
R there are no lane markings for a longer period.
R the lane markings are worn, dark or covered, e.g. by dirt or snow.
If the display message does not disappear:
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Apply the parking brake.
X Cleant he windscreen.
If the system detects that the camera is fully operational, the dis-
play message disappears.
Lane Keeping Assist or Active Lane Keeping Assist is operational
again. Lane Keeping
Assist inopera‐
tive orActive Lane
Keeping Assist
inoperative Lane Keeping Assist or Active Lane Keeping Assist is faulty.
X
Visit a qualified specialist workshop. 268
Display messagesOn-board computer and displays
Page 401 of 409

24 GHz radar sensor system (country overview)
The 24 GHz radar senso rsystem requires separat eapproval for each country. If you are driving
in a country in which the radar senso rsystem is no tapproved, you must deactivate the system
using the on-board computer (Y page 247). The current country overview can be obtained
from a Mercedes-Benz Service Centre.
Vehicles with anavigation system: the radar sensor system is deactivated automatically
near radio telescope facilities.
The currently active systems are automatically deactivated:
R DISTRONIC PLUS (Y page 185)
R Blind Spot Assist (Y page 212)
R Active Blind Spot Assist(Y page 216)
R PRE-SAFE ®
Brake (Y page 75)
Ad isplay message appears in the multifunction display to tell you that the radar sensor system
is being switched off (Y page 268).
BAS PLUS (Y page 70) is the nalso unavailable.
If the deactivation does not occur automatically, you must deactivate the radar sensor system
using the on-board computer (Y page 247).
Vehicles withou tnavigation and vehicles for Australia: you must deactivate the radar
sensor system using the on-board computer whe nyou are near a radio telescope facility
(Y page 247). Country Radio telescope
facilities Geographical latitude and
longitude Distance to be
maintained
from the facility Egypt – – –
Andorra – – –
Australia Parkes 32°59'59" S, 148°15'44" E 10 km
Narrabri 30°18'52" S, 149°32'56" E 10 km
Canberra 35°23'54" S, 148°58'40" E 3 km
Western Australia 26°37'13" S, 117°30'40" E 10 km
Bahrain – – –
Belgium – – –
Bosnia-Herzego-
vina – – –
Bulgaria – – –
Denmark – – –
Germany Effelsberg 50°31'32" N, 06°53'00" E 6.5 km398
24 GHz radar sensor system (country overview)Technical data