%
Valet service mode remains active even fol-
lowing a change of pro/le or aTer theve hicle
is switched on or o., and must be deliberately
deactivated bythe authorised user. Beginner dr
Beginner dr
iv
iver mode
er mode F
F
unction of t
unction of t he beginner dr
he beginner dr iv
iver mode
er mode
In beginner driver mode, theve hicle acceleration
is limi tedto increase saf etyfo r inexperienced
drivers.
Beginner driver mode is characterised bythefo l-
lowing:
R The maximum speed that can be driven is limi-
te dto 120 km/h.
R Drive prog rams B and= are not availa-
ble.
R ESP ®
cann otbe deactivated.
A
A ctiv ctiv ating or deactiv
ating or deactiv ating beginner dr
ating beginner dr iv
iver mode
er mode
R
R eq
eq uir
uir ements:
ements:
R For activation: theve hicle is stationar y.
R For deactivation: park position jis engaged. Multimedia system:
4 © 5
Apps 5
Beginner driver mode
% This function is an on-demand feature
(/ page 24). #
Activate or deactivate the function.
If beginner driver mode is activated, an indica-
to r lamp in the driver's display lights up.
% Alternativel y,beginner driver mode can be
activated or deactivated via the Mercedes me
connect app.
Fu rther information on Mercedes me connect
(/ page 348)
% Beginner driver mode is pr otected from deac-
tivation bythird parties only in combination
with Mercedes me connect. If theve hicle is
connected toMercedes me connect, only the
pro/le that activated the mode or the estab-
lished main user can deactivate it again.
% Beginner driver mode remains active even fol-
lowing a change of pro/le or aTer theve hicle
is switched on or o., and must be deliberately
deactivated bythe authorised user. A A
TTENTION ASSIST
TTENTION ASSIST F
F
unction of A
unction of A TTENTION ASSIS
TTENTION ASSIS T wit
T with micr
h micr osleep
osleep
det
det ection
ection
% The microsleep de tection sub-function is only
av ailable in combination with the driver cam-
era (/ page 315).
AT TENTION ASSIST assists you on long, mono to-
nous journe ys, e.g. on mo torw ays and trunk
ro ads. If indicators of fatigue or increasing lapses
in concentration on the part of the driver are
de tected, the system suggests taking a break.
AT TENTION ASSIST is only an aid. It cannot
alw ays de tect fatigue or lapses in concentration in
time. The system is not a substitute for a well-res-
te d and attentive driver. On long journe ys,ta ke
re gular breaks in good time that allow for ade-
qu ate recuperation.
Yo u can choose between two settings:
R St
Standar
andar d:
d:normal system sensitivity.
R Sensitiv
Sensitiv e:
e:higher system sensitivity. The driver
is wa rned earlier and the attention le vel de tec-
te dby ATTENTION ASSIST is ada pted accord-
ingl y. Driving and parking
225
225
*
N
N O
OTE
TE Inva lidation of the operating permit
due tofailure tocomply with the inst ruc-
tions for installation and use The operating permit may be in
validated if the
inst ructions for installation and use of two-w ay
ra dios are not obser ved. #
Only use appr oved frequency bands. #
Obser vethe maximum permissible out-
put po wer in these frequency bands. #
Only use appr oved aerial positions. 1
Rear roof area
On vehicles with a panoramic sliding sunroof, /t-
ting an aerial is not permitted.
Use Tech nical Speci/cation ISO/TS 21609 (Road
Ve hicles – "EMCs for installation of aTermar ket
ra dio frequency transmitting equipment") when
re tro/tting two- wayra dios. Comply with the legal
re qu irements for de tach able parts. If
yo ur vehicle has /ttings for two-w ayradio equip-
ment, use the po wer supply and aerial connectors
pr ov ided in the pre-ins tallation. Obser vethe man-
ufacturer's supplements when /tting.
T
T w
w o-wa
o-wa y r
y radio tr
adio tr ansmission output
ansmission output
The maximum transmission output (PEAK) at the
base of the aerial must not exceed theva lues in
th efo llowing table.
Fr
Fr eq
eq uency band and maximum tr
uency band and maximum tr ansmission out-
ansmission out-
put
put F
F
r
req
eq uency band
uency band Maximum tr
Maximum transmis-
ansmis-
sion output
sion output
2‑m frequency band
144 - 174 MHz 50 W
Te rrestrial Trunked
Ra dio (TETRA)
380 - 460 MHz 10 W
70‑cm frequency band
430 - 470 MHz 35 W Te
ch nical data
413 413
