Mount 7-pin electrical system as per DINV 72570.
Mount 13-pin electrical system as per ISO 11446.
Apply the trailer nose-weight plate to the vehicle near the CBB or in the luggage boot in an easy-
to-see location
Retighten all mounting bolts of the CBB after approx. 1,000 towing km.
This CBB including all mounting parts weighs 14.8 kg. Please take into account that the curb
weight of your vehicle is increased by this amount after mounting the CBB.
Available Spare Parts for Coupling Ball with Bracket
Spare Part No.
903 121 650 001
Description
Pack. Mounting parts
303 122 / 125 691 101
GB
3
