See also:

Problems with PARKTRONIC
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Attaching the roof carrier
– Secure the roof carrier to roof rails 1. – Observe the manufacturer's installation instructions. ...

Overview: changing bulbs/bulb types
You can change the following bulbs. The bulb type can be found in the legend. Halogen headlamps 1 Low-beam headlamp: H7 55 W 2 High-beam headlamp: H7 55 W 3 Parking lamp/standing lamp: W 5 W B ...