High-beam assistance
Principle
High-beam assistance detects other road users in good time and activates or deactivates the high beam depending on the traffic situation.
General information
High-beam assistance ensures that the highbeam headlights are switched on when the traffic situation allows. The system does not switch on the high-beam headlights at low speeds.
The system responds to the lights from oncom‐ ing traffic and traffic driving ahead of you, and to ambient lighting, for example in built-up areas. The high-beam headlights can be switched on and off manually at any time.
If the no-dazzle high beam assistant is installed, the high-beam headlights are not switched off for oncoming vehicles or vehicles driving ahead of you. The system only masks those areas of the beam which would otherwise dazzle oncom‐ ing traffic or traffic driving ahead. In this case, the blue indicator lamp continues to illuminate. If the headlights are converted, high-beam assis‐ tance may only function to a limited extent. For further information: Left-hand/right-hand traffic, see page 193.
Activating
- AUTO Press the button on the light switch element.
The LED in the button illuminates. - Press the button on the turn indicator lever.
The indicator lamp in the instrument cluster is illuminated when the low-beam headlights are switched on.
The system will switch automatically between low-beam and high-beam headlights.
If a journey is interrupted with high-beam assis‐ tance activated: when the journey is resumed, high-beam assistance remains activated. The high beam assistant is deactivated by switching the high beams on and off manually. To reactivate high-beam assistance, press the button on the turn indicator lever.
Deactivating
Press the button on the turn indicator lever.
System limits
High-beam assistance cannot replace the driv‐ er's own judgement as to when to use the highbeam headlights. Therefore activate the dipped headlights manually if the situation requires it.
In the following situations, the system will not operate or its operation will be impaired and your intervention may be required:
- In very unfavorable weather conditions, such as fog or heavy precipitation.
- When detecting poorly lit road users such as pedestrians, cyclists or horse riders or car‐ riages and when trains or ships are close to the road, or when animals are crossing the road.
- On tight bends, on steep brows or hollows of hills, when there is crossing traffic or if the view of oncoming vehicles on a motorway is obstructed.
- In poorly lit towns or where there are highly reflective signs.
- If the area of windscreen in front of the rearview mirror is covered with condensation, dirt, stickers, labels, etc.
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