AT
TENTION ASSI ST Fu
nction of ATTENTION ASSI ST
AT TENTION ASSIST can assist you on long,
mon otonous jou rney s, e.g. on highw ays and trunk
ro ads. If ATTENTION ASSIST de tects indicators of
fa tigue or increased lapses in concentration on
th e part of the driver, it suggests taking a brea k.
AT TENTION ASSIST is only an aid. It cannot
alw ays de tect dr owsiness or increased lapses in
concentration in good time. The sy stem is not a
substitute for a well-res ted and attentive driver.
On long journe ys,ta ke regular and timely breaks
th at allow youto rest properly.
Yo u can choose between two settings:
R Standard: normal sy stem sensitivity
R Sensitive: higher system sensitivity. The
driver is warned earlier and the attention le vel
de tected bythe sy stem (Attention Le vel) is
adap ted accordingly.
If fatigue or increased lapses in concentration are
de tected, theATTENTION ASSIST: Take a Break!
wa rning appears in the Instrument Displa y.Yo u
can acknowledge the message and take a break if
necessar y.Ifyo u do not take a break and ATTEN‐
TION ASSIST continues todetect increased lap‐
ses in concentration, you will be warned again
af te r a minimum of 15minutes. Instrument Display (color display)
Yo
u can ha vethefo llowing status information for
AT TENTION ASSIST displa yed in the Assis tance
menu of the on-board computer:
R The journey length since the last break
R The attention le vel de term ined byATTENTION
ASSIS T:
- The fuller the circle is, the higher the
de tected attention le vel is
- The circle in the center of the display
em pties from the outside in wards as
attentiveness decreases Instrument Display (black and white display)
Yo u can ha vethefo llowing status information for
AT TENTION ASSIST displa yed in the Assis tance
menu of the on-board computer:
R The journey length since the last break
R The attention le vel de term ined byATTENTION
ASSIS T:
- The fuller the bar is, the higher the de tec‐
te d attention le vel is
- The bar em pties as attentiveness decrea‐
ses
If AT TENTION ASSIST cannot calculatethe atten‐
tion le vel and cannot issue a warning, theAtten-
tion Level message appears.
If a warning is displa yed in the Instrument Dis‐
pla y,the multimedia sy stem of fers to sear chfor a
re st area. You can select a rest area and start
navigation tothis rest area. This function can be
activated and deactivated in the multimedia sys‐
te m.
If AT TENTION ASSIST is deactivated, theÛ
symbol appears in the assis tance graphic in the
Instrument Display when the engine is running.
AT TENTION ASSIST is activated automatically
when the engine is re-sta rted. The last selected
sensitivity le velre mains stored.
Sy stem limits
AT TENTION ASSIST is active in the37 mph
(60 km/h) to124mp h (2 00 km/h) speed range.
The functionality of ATTENTION ASSIST is restric‐
te d, and warnings may be dela yed or not occur at
all, in thefo llowing situations:
R The journey lasts less than appr oximately
30 minutes
R The road condition is poor (une venro ad sur‐
fa ce or po tholes)
R The vehicle is subjected toastro ng crosswind
R You ha vea sporty driving style (high corner‐
ing speeds or high rates of acceleration) 16 2
Driving and pa rking
Fr
equency band Maximum transmis‐
sion output
70 — cm — waveband
420 — 450 MHz 35 W
Tw o-w ayradio
(2G/3G/4G) 10 WThe
following can be used in theve hicle without
re strictions:
R two-w ayradios with a maximum transmission
output of up to100 mW
R two-w ayradios with transmit ter frequencies
in the 380 – 410 MHz frequency band and a
maximum transmission output of up to2 W
(trunked radio sy stem/T etra)
R mobile phones (2G/3G/4G)
There are no restrictions when positioning the
antenna on the outside of theve hicle forth efo l‐
lowing frequency bands:
R Trunked radio sy stem/T etra
R 70 — cm — waveband
R 2G/3G/4G Ve
hicle identi fication pla te,ve hicle identi fi‐
cation number (VIN) and engine number
Ve hicle identi fication pla te Depending on
theve hicle model, theve hicle iden‐
tification plate is located on the seat base of the
driver's seat or on the B-pillar.
% The data is
vehicle-specific and can dif fer
from that shown. Alw ays obser vethe specifi‐
cations on your vehicle's identification plate. Ve
hicle identification plate (e xample: US A,
comple te vehicles)
1 Vehicle manufacturer
2 VIN (vehicle identification number)
3 Perm issible gross mass
4 Perm issible gross mass of vehicle combina‐
tion
5 Perm issible front axle load
6 Perm issible rear axle load
7 Date of manufacture
8 Paint code Ve
hicle identification plate (e xample: US A,
incomple te vehicles)
1 Vehicle manufacturer
2 VIN (vehicle identification number)
3 Perm issible gross mass
4 Perm issible gross mass of vehicle combina‐
tion
5 Perm issible front axle load
6 Perm issible rear axle load
7 Date of manufacture
8 Paint code 338
Tech nical da ta
