On completion of
the parking procedure, the
Active Parking Assist finished messageappears
and an acoustic signal sounds. Active Parking
Assist no longer supports you with steering inter‐
ve ntions and brake applications.
The pa rking assis tance function of Active Parking
Assist is stopped. You will then ha vetosteer and
mer geinto traf fic on your ow n.PA RKTRONIC is
st ill available. 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 mo torw ays and
trunk roads. If ATTENTION ASSIST de tects indica‐
to rs of fatigue or increased lapses in concentra‐
tion on the 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.
If fatigue or increased lapses in concentration are
de tected, theATTENTION ASSIST: Take a break!
wa rning appears in the instrument clus ter.
Yo u can ackn owledge the message and take a
break if necessar y.Ifyo u do not take a break and
AT TENTION ASSIST continues todetect increased
lapses in concentration, you will be warned again
af te r a minimum of 15minutes.
If a warning is displa yed in the instrument clus ter,
th e multimedia sy stem of fers to sear 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 sy stem. Yo
u can ha vethe cur rent ATTENTION ASSIST
assessment displa yed using theAssistance
graphic menu in the on-board computer
(/ page 183). 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 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, theSys-
tem 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.
Sy stem 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 toastro ng crosswind
R you ha vea sporty driving style (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 con‐
tinuing the journey in thefo llowing situations:
R you swit choff the engine
R you unfas tenyo ur seat belt and open the driv‐
er's door (e.g. change drivers or take a break)
Deactivating or activating ATTENTION ASSI ST
On-board computer:
4 00E2 5
Settings 5
Assistance
5 ATTENTION ASSIST #
Change the setting and confirm using the
0076 button.
When ATTENTION ASSIST is deactivated, the
00AD andOFF symbols appear in the assis‐
ta nce graphic in the multifunction displa y. 17 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 devices can be used in theve hicle
without restrictions:
R two-w ayradios with a maximum transmission
output of up to100 mW
R two-w ayradios with transmitte r 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
aerial on the outside of theve hicle forth efo llow‐
ing 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 Ve
hicle identification plate 1is on the B-pillar
on the driver's side.
% The data is
vehicle-specific and can dif fer
from that shown. Alw ays obser vethe specifi‐
cations on your vehicle's identification plate. Example:
vehicle identification plate
1 Vehicle identification plate
2 Vehicle manufacturer
3 EUgeneral ope rating pe rmit number (only for
cer tain countries)
4 VIN (vehicle identification number)
5 Perm issible gross mass (kg)
6 Perm issible gross mass of vehicle combina‐
tion (kg) (for specific countries only)
7 Perm issible front axle load (kg)
8 Perm issible rear axle load (kg)
9 Paint code
Eng rave d VIN in the engine co mpartment VIN
1is engr aved into the longitudinal member
in the engine compartment next tothe fuse box.
Engine number
The engine number is stamped onto the crank‐
case. You can obtain fur ther information from a
qu alified specialist workshop. 268
Tech nical da ta
