exceeded. The smaller value is the limit which
should be adhered to.
Tyre inflation pressure
Check the vehicle's and the trailer's tyre inflation
pressures carefully.
On the vehicle, the tyre inflation pressure for
higher loads applies.
Information about the tyre inflation pressure, see
page 308.
For the trailer, the regulations of the manufac‐
turer apply.
Runflat indicator RPA
Initialise the runflat indicator RPA, see page 323,
after the tyre inflation pressure has been correc‐
ted or a trailer has been attached or detached.
Tyre Pressure Monitor TPM
Reset the Tyre Pressure Monitor TPM, see
page 318, after the tyre inflation pressure has
been corrected or a trailer has been attached or
detached.
Exterior mirrors
Two exterior mirrors which bring both rear cor‐
ners of the trailer into your field of view are re‐
quired by law. Mirrors of this type are available as
special equipment from a Service Partner of the
manufacturer or another qualified Service Partner
or a specialist workshop.
Power consumption
General
Before beginning your journey, check the func‐
tion of the trailer rear lights.
When towing a caravan, keep the activation
times of power consumers short in order not to
place an excessive load on the vehicle battery.
Not Australia/New Zealand: Trailer
rear lights
The power output of the trailer's rear lights must
not exceed the following values:
▷ Turn indicators: 42 watts per side.
▷ Tail lights: 50 watt per side.
▷ Brake lights: 84 watt total.
▷ Rear fog lights: 42 watt total.
▷ Reversing lights: 42 watt total.
Australia/New Zealand: Trailer rear
lights
▷ Turn indicators: 54 watts per side.
▷ Tail lights: 100 watts in total.
▷ Brake lights: 108 watt total.
▷ Reversing lights: 54 watt total.
Towing a trailer
General
When the trailer socket is occupied, some Driver
Assistance Systems are unavailable, or available
to a limited extent. A Check Control message is
shown where applicable.
Safety notes
WARNING
Speeds in excess of approximately 80 km/h,
approximately 50 mph can be enough to pro‐
duce a swaying or fishtailing motion, depending
on the design of trailers and the loads they are
carrying. There is a danger of accidents or
damage to property.
Keep to an appropriate speed when towing a
trailer. In case of swaying or fishtailing motions,
brake immediately and make the necessary
steering corrections as carefully as possible.
Seite 296
DRIVING HINTS
Towing a trailer
296
Online Edition for Part no. 01402989787 - II/18