trunk MERCEDES-BENZ GLC SUV 2015 Owners Manual

apply to objects that are at the same level
as the ball coupling.
X Reverse carefully, making sure trailer draw-
bar locating aid ;points approximately in
the direction of the trailer drawbar.
X Reverse carefully until the trailer drawbar
reaches red guide line ?.
The distance between the trailer drawbar
and the red guide line is now approximately 0.30 m.
X Couple up the trailer (Y page 303).
i For technical reasons, the ball coupling of
the trailer tow hitch in the Audio/COMAND
display is visible either only in a limited
manner or not at all.
The lines are shown at the level of the trailer
tow hitch.
180° view :
Symbol for the full-screen setting with the
reversing camera image
; Own vehicle
= PARKTRONIC warning displays
i 180° view can also be selected as front
view.
Select this view when you are driving out of an
exit and the view of crossing traffic is restric- ted, for example.
i If you select the
%symbol in the dis-
play and confirm with the controller, the
split-screen view appears. Stopping the 360° camera display The 360° camera display is stopped:
R
when you select transmission position P, or
R when you are driving at moderate speeds
The view which was active before the 360°
camera was displayed appears in the
Audio 20 or COMAND display. You can also
stop the 360° camera display split-screen
view by selecting the %symbol in the dis-
play and then confirming with the COMAND
controller. ATTENTION ASSIST
General notes ATTENTION ASSIST helps you during long,
monotonous journeys such as on motorways
and trunk roads. It is active in the 60 km/h to
200 km/h speed range. If ATTENTION ASSIST detects typical indicators of fatigue or
increasing lapses in concentration on the part
of the driver, it suggests taking a break.
Important safety notes ATTENTION ASSIST is only an aid. It may not
always detect fatigue or lapses in concentra-
tion until too late, or may not detect them at
all. The system is not a substitute for a well-
rested and attentive driver.
The functionality of ATTENTION ASSIST is
restricted, and warnings may be delayed or
not occur at all:
R if the length of the journey is less than
approximately 30 minutes
R if the road condition is poor, e.g. if the sur-
face is uneven or if there are potholes
R if there is a strong side wind
R if you have adopted a sporty driving style
with high cornering speeds or high rates of
acceleration
R if you are predominantly driving at a speed
below 60 km/h or above 200 km/h 272
Driving systemsDriving and parking

Approved aerial positions
:
Front roof area
; Rear roof area
= Rear wing
i On vehicles with panorama sliding sun-
roof, fitting an aerial to the front or rear roof
area is not permitted.
On the rear wing, it is recommended that
you position the aerial on the side of the
vehicle closest to the centre of the road.
Use Technical Specification ISO/TS 21609
(Road Vehicles – "EMC guidelines for fitting
aftermarket radio frequency transmitting
equipment") when retrofitting RF (radio fre-
quency) transmitters. Comply with the legal
requirements for add-on parts.
If your vehicle has fittings for two-way radio
equipment, use the power supply or aerial
connections intended for use with the basic
wiring. Be sure to observe the manufacturer's additional instructions when installing.
Deviations with respect to wavebands, maxi-
mum transmission outputs or aerial positions must be approved by Mercedes-Benz. The maximum transmission output (PEAK) at
the base of the aerial must not exceed the
following values: Waveband Maximum
transmission output Short wave
3 - 54 MHz 100 W
4 m waveband
74 - 88 MHz 30 W
2 m waveband
144 - 174 MHz 50 W
Trunked radio/Tetra
380 - 460 MHz 10 W
70 cm waveband
400 - 460 MHz 35 W
Mobile communications
(2G/3G/4G) 10 W
The following can be used in the vehicle with-
out restrictions:
R RF transmitters with a maximum transmis-
sion output of up to 100 mW
R RF transmitters with transmitter frequen-
cies in the 380 - 410 MHz waveband and a
maximum transmission output of up to 2 W(trunked radio/Tetra)
R Mobile telephones (2G/3G/4G)
There are no restrictions when positioning the aerial on the outside of the vehicle for the fol-
lowing wavebands:
R Trunked radio/Tetra
R 70 cm waveband
R 2G/3G/4G Vehicle electronics
479Technical data Z