trunk MERCEDES-BENZ V-CLASS 2021 Owners Manual

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geinto tra1c on your ow n.PA RKTRONIC is still
av ailable. A
A
TTENTION ASSIST
TTENTION ASSIST F
F
unction of A
unction of A TTENTION ASSIST
TTENTION ASSIST
AT TENTION ASSIST can assist you on long, monot-
onous journe ys, e.g. on mo torw ays and trunk
ro ads. If ATTENTION ASSIST de tects indicators of
fa tigue or increased lapses in concentration on the
part of the driver, it suggests taking a break.
AT TENTION ASSIST is only an aid. It cannot alw ays
de tect dr owsiness or increased lapses in concen-
tration in good time. The system is not a substitute
fo r a well-rested and attentive driver. On long jour-
ne ys,ta ke regular and timely breaks that allow you
to rest prope rly.
If fatigue or increased lapses in concentration are
de tected, theATTENTION ASSIST: Take a break!
wa rning appears in the instrument cluster.
Yo u can ackno wledge the message and take a
break if necessar y.Ifyo u do not take a break and
AT TENTION ASSIST continues todetect increasing
lapses in concentration, you will be warned again
aTer a minimum of 15 minutes.
If a warning is displa yed in the inst rument cluster,
th e multimedia system o.ers tosear chfor a rest
area. You can select a rest area and start naviga-
tion tothis rest area. This function can be activa-
te d and deactivated in the multimedia system. Yo
u can ha vethe cur rent ATTENTION ASSIST
assessment displa yed using theAssistance
graphic menu in the on-board computer
(/ page 184).
The following information is displa yed:
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 tected
attention le vel is
- the bar em pties as attentiveness decreases If
AT TENTION ASSIST cannot calculate the atten-
tion le vel and cannot issue a warning, theSystem
suspended message appears.
The bar display is then dimmed. This is the case,
fo rex ample, if you are predominantly driving at a
speed below 60 km/h or abo ve200 km/h.
Syst
Syst em limits
em limits
AT TENTION ASSIST is active in the 60 km/h to
200 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 thero ad condition is poor (une venro ad sur-
fa ce or po tholes)
R theve hicle is subjected toa st rong crosswind
R you ha vea sporty driving st yle (high cornering
speeds or high rates of acceleration)
R the time is set incor rectly
R youch ange lanes and vary your speed fre-
qu ently in active driving situations
The ATTENTION ASSIST dr owsiness or alertness
assessment is dele ted and restar ted when continu-
ing the journey in thefo llowing situations:
R You switch o. theve hicle.
R Ifyo u unfasten your seat belt and open the
driver's door (e.g. tochange drivers or take a
break).
Deactiv
Deactiv ating or activ
ating or activ ating A
ating ATTENTION ASSIST
TTENTION ASSIST
On-board computer:
4 ò 5
Settings 5
Assistance
5 ATTENTION ASSIST #
Change the setting and con/ rmusing thea
button.
When ATTENTION ASSIST is deactivated, the
é symbol appears in the assistance graphic
in the inst rument cluster displa y.
Yo u can choose between thefo llowing settings:
R Off
R Standard: normal system sensitivity.
R Sensitive: higher system sensitivity. The driver
iswa rned earlier and the attention le vel de tec-
te dby the system is adap ted accordingl y. Driving and parking
173 173

F
F
r
req
eq uency band
uency band Maximum tr
Maximum transmis-
ansmis-
sion output
sion output
70 cm waveband
420 – 450 MHz 35 W
Tw o-w ayradio
(2G/3G/4G) 10 WThe
following devices can be used in theve hicle
without restrictions:
R two- wayra dios with a maximum transmission
output of up to100 mW
R two-w ayradios with transmitter frequencies in
th e 380 – 410 MHz frequency band and a
maximum transmission output of up to2 W
(trunked radio system/T etra)
R mobile phones (2G/3G/4G)
There are no restrictions when positioning the aer-
ial on the outside of theve hicle forth efo llowing
frequency bands:
R Trunked radio system/T etra
R 70 cm waveband
R 2G/3G/4G R
R
egulat
egulat or
ory r
y r adio
adio identi/cations
identi/cations and not
and notes
es R
R
egulat
egulat or
ory r
y r adio
adio identi/cation
identi/cation of small com
of small com po-
po-
nents
nents Manufacturer information on wireless
vehicle com-
ponents can be found under the heading "Regula-
to ry radio identi/cation" in the Digital Operating
Instructions in theve hicle, on the Internet and in
th e app. R
R
egulat
egulat or
ory r
y r adio
adio identi/cations
identi/cations – Indonesia
– Indonesia Manufacturer information on wireless
vehicle com-
ponents for Indonesia can be found under the
heading "Regulatory radio identi/cation – Indone-
sia" in the Digital Operating Instructions in the
ve hicle, on the Internet and in the app.
% These are not small components. Information
on small components can be found under the
heading "Regulatory radio identi/cation of
small components." V
V
ehicle
ehicle identi/cation
identi/cation plat
plate, v
e, vehicle
ehicle identi/cation
identi/cation
number (VIN) and engine number
number (VIN) and engine number
V
V ehicle
ehicle identi/cation
identi/cation plate
plate Ve
hicle identi/cation plate 1is on the B-pillar on
th e driver's side.
% The data is vehicle-speci/c and can di.er from
th at shown. Alw ays obser vethe speci/cations
on your vehicle's identi/cation plate. Example:
vehi-
cle identi/ca-
tion plate
1 Vehicle identi/cation plate
2 Vehicle manufacturer
3 EUgeneral ope rating permit num-
ber (only for cer tain countries)
4 VIN (vehicle identi/cation number)
5 Perm issible gross mass (kg)
6 Perm issible gross mass of vehicle
combination (kg) (for speci/c
countries only)
7 Perm issible front axle load (kg)
8 Perm issible rear axle load (kg)
9 Paint code 270 270
Te
ch nical data