G12�Driver�Assistance�Systems
7.�Collision�Warning
22
7.2.1.�Displays
Symbol Explanation
Early�warning:
• Vehicle�symbol�lights�up�red
• Increase�distance�and�brake�if
necessary
Acute�warning:
• Vehicle�symbol�flashes�red�and�a�signal
sounds
• Request�for�intervention�by�braking�and
evasive�action,�if�required
Acute�warning:
• Person�symbol�flashes�red�and�a�signal
sounds
• Request�for�intervention�by�braking�and
evasive�action,�if�required
7.2.2.�Early�warning
Occasions�when�an�early�warning�is�issued�include�when�there�is�a�collision�risk�because�the�vehicle
driving�ahead�is�being�driven�at�a�much�slower�speed�and/or�if�the�distance�to�a�driven�or�stationary
vehicle�ahead�is�extremely�short.
An�early�warning�is�indicated�by�a�vehicle�symbol�which�lights�up�red�in�the�instrument�cluster�(KOMBI)
or�Head‐Up�Display.�The�early�warning�is�only�issued�for�vehicles�and�not�for�pedestrians.
The�point�at�which�the�early�warning�is�issued�can�be�configured�in�the�"Intelligent�Safety�systems“
menu�on�the�central�information�display�(CID).
The�collision�warning�is�dependent�on�the�vehicle's�own�driving�speed.�The�distance�measured�for�the
collision�warning�is�significantly�lower�than�the�legally�required�minimum�distance.�It�is�therefore�the
responsibility�of�the�driver�to�adhere�to�the�legal�minimum�distance.
7.2.3.�Acute�warning
The�acute�warning�is�issued�by�the�system�as�late�as�possible�and�only�if�there�is�an�imminent�danger
of�a�collision�when�the�vehicle�is�approaching�the�vehicle�driving�ahead�at�a�relatively�high�differential
speed�or�if�there�is�an�imminent�danger�of�a�collision�with�a�pedestrian.�The�time�of�the�acute�warning
is�measured�so�that�a�collision�can�only�be�avoided�by�immediate�emergency�braking�or�by�swerving.
The�acute�warning�therefore�cannot�be�deliberately�brought�about�or�monitored�by�the�driver.�The
acute�warning�is�issued�for�vehicles�and�pedestrians.