Pro Trailer Backup Assist
Introduction
Pro Trailer Backup Assist helps the
driver when reversing or manoeuvring
the vehicle when towing a trailer.
P
ro Trailer Backup Assist steers a trailer
and is operated by pushing and pulling the
switch for setting the exterior mirror. The
driver controls the accelerator, gear
changes and brake →
.
P
ro Trailer Backup Assist determines the
required data using the Rear View Camera.
System limits
Please note the following to ensure the
system works correctly:
— The camera is clean and free from snow
and ice.
— The camera is free from stickers and oth-
er objects.
— The drawbar is not covered.
— The boot lid is closed.
WARNING
Risk of vehicle damage. Pro Trailer Back-
up A
ssist does not use the vehicle envi-
ronment for reference and does not de-
tect any obstacles in the surrounding
area.
·
Check whether there is sucient space
to manoeuvre the trailer.
·
Observe the movement of the trailer
and cancel the manoeuvre if necessary
in order to avoid damage. On rare occa-
sions the trailer may behave dierently
even when Pro Trailer Backup Assist is
operated correctly.
·
Do not rely solely on the instrument
cluster displays.
Practise using Pro Trailer Backup As-
sist in a tra
c-calmed area or in a car
park in order to familiarise yourself with the
system and its functions.
If there is no driver interaction within
approximately three minutes, the ma-
noeuvre is terminated and Pro Trailer Back-
up A
ssist is ended.
Prerequisites
Please refer to at the start of the
chapt
er on page 212.
Synchronising the trailer
The drawbar length must be re-determined
every time the trailer is changed. If the
same trailer is always used, the drawbar
length must only be determined once.
1. Perform turning and cornering manoeu-
vres with the trailer. The more varied
the turning and cornering manoeuvres,
the more manoeuvring options Pro
Trailer Backup Assist will detect for the
vehicle and trailer.
There is a maximum of four limit positions
for the angle display: approx. 30°, 45°, 60°
and 75°.
The more accurately it can determine the
length of the drawbar, the more angles are
available when manoeuvring.
1. Attach the one- or two-axle trailer and
connect electrically to the vehicle.
2. Perform as many dierent turning and
cornering manoeuvres with the trailer
as possible.
Prerequisites
✓ Trailer with a maximum of two rigid
axles is attached and electrically con-
nected.
✓ Driver door and boot lid or rear doors
are closed.
✓ The drawbar must not be covered.
✓ The vehicle and trailer are stationary.
✓ Engine running.
✓ Vehicle is stationary.
✓ ESC is switched on.
✓ Exterior mirrors are not folded in.
NOTICE
Pro Trailer Backup Assist is not a substitute
for the full attention of the driver and oper-
212 Parking and manoeuvring
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