Limited braking performance on salt-
treated roads If you driv eons alted roads ,al ayer of salt resi-
due may for mont he brak ed isc sa nd brake
pads. This can result in as ignificantly longer
braking distance. R
In orde rtop revent any salt build-up, apply the
brakes occasionally while paying attention to
th et ra ffic conditions.R
Carefully depress th eb rak ep edal and the
beginnin ga nd end of aj ou rney.R
Maintain ag reater distanc etot he vehicle
ahead.
Servicing th eb rakes
! The brak ef luid level may be to ol ow, if:R
if th er ed brak ew arning lamp light supi n
th ei nstrumen tc luster andR
you hear aw arning tone while th ee ngine is
running
Observe additional warning messages in the
multifunction display.
The brak ef luid level may be to ol ow due to
brak ep ad wear or leaking brak el ines.
Hav et he brak es ystem checked immediately.
Consult aq ualifie ds pecialist workshop to
arrange this.
! As th eE SP ®
system operates automatically,
th ee ngine and th ei gnitio nm ust be switched
off (th eS ma rtKey must be in position
are no persons, animals or object sint he pat ho f
your vehicle when you are maneuvering or park-
ing.
! When parking ,p ay particular attention to
object sa bov eorb elow th es ensors, suc ha s
flowe rp ot sort ra iler drawbars. PARKTRONIC
does no td etect suc ho bject sw hen they are in
th ei mmediat ev icinit yoft he vehicle .Y ou
coul dd amage th ev ehicle or th eo bjects.
The sensor sm ay no td etect snow and other
object st ha ta bsor bu ltrasonic waves.
Ultrasonic sources suc hasana utomatic car
wash, th ec ompressed-air brakes on at ru ck
or ap neumatic drill coul dc aus eP AR KTRONIC
to malfunction.
PARKTRONIC may no tf unction correctly on
uneven terrain.
Parking Assist PARKTRONIC is activated auto-
matically when you: R
switch on th ei gnitionR
shif tt he transmission to position [ , ^ or
\\ R
release th ee lectric parking brake
Parking Assist PARKTRONIC is deactivate da t
speeds abov e1 1m ph (18 km/h). It is reactiva-
te datl ower speeds.
Range of th es ensors
General notes Parking Assist PARKTRONIC does no tt ak ei nto
accoun to bstacle sl ocated:R
below th ed etection range, e.g .p eople, ani-
mals or objects. R
abov et he detection range, e.g .o verhanging
loads, truck overhangs or loadin gr amps.
C
Sensor sint he fron tb umper, left-hand side
(example) The sensor sm ust be free from dirt ,i ce or slush.
They can otherwise no tf unction correctly. Clean
th es ensor sr egularly, taking car en ot to scratch
or damage them ( Y
page 242).
Range
Fron ts ensors
Center Approx .4 0in( approx.
10 0c m)
Corners Approx .2 4in( approx.
60 cm)
Rear sensors
Center Approx .4 8in( approx.
12 0c m)
Corners Approx .3 2in( approx.
80 cm)
Minimum distance
Center Approx .8 in (approx .2 0c m)
Corners Approx .6 in (approx .1 5c m)
If there is an obstacle within this range, th er el-
evan tw arning displays light up and aw arning150
Driving systems
Driving and parking