Premiere: Active Parking Assist including PARKTRONIC

Active Parking Assist will answer the prayers of many drivers in the chronically congested traffic areas of Europe: the Mercedes-Benz CLS-Class can not only detect parking spaces, but also help with the parking itself. This is made possible thanks to a combination of the new electomechanical direct steering (see the section entitled "Suspension") and a series of ultrasonic sensors. This convenience system features the following functions:

Measurement of the length and depth of potential parking spaces at a vehicle speed of up to 36 km/h
Calculation of a suitable parking course based on the current position of the vehicle
Control of the steering in order to maintain this parking course.

Parking spaces are measured using two enhanced ultrasonic sensors integrated into the right and left sides of the front bumper. Depending on the speed and driving cycle, these sensors are used to measure parking spaces and also to support the PARKTRONIC functionality.

When driving at less than 30 km/h, a "P" symbol is displayed in the instrument cluster to inform the driver that the active parking space search function is enabled. If a parking space is found, an arrow appears next to the "P" symbol. By default the arrow indicates parking spaces on the front-passenger side. If the turn indicator is set to the driver's side, parking spaces on the driver's side will be displayed. It is not necessary to switch on the parking space search function. The ultrasonic sensors only carry out a geometric assessment of the potential parking space, and do not assess whether this free space is actually a parking space. Responsibility during the parking process also remains with the driver. If the ultrasonic sensors detect a pavement then the vehicle is parked parallel to this.

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