2.5.5. Parktronic (PTS) system

The Parktronic system does not distinguish the objects located in close proximity to a rear bumper at height below or above its level (flower beds, a dyshla of trailers, etc., - be careful!

PTS provides the driver with information on distance to an obstacle at the parking of the car a backing.

The system joins automatically when turning a key in the ignition lock in situation 2 and inclusion of transfer of a backing ("R"), - shutdown of system is also made automatically.

Serviceability of functioning of the Parktronic system to a great extent depends on extent of pollution of the ultrasonic sensors which are built in in an overlay of a rear bumper. Hindrances can bring ultrasound sources (including squeal of pneumatic brakes of trucks).

Scheme of an arrangement of PTS (1) sensors of a rear bumper

The zone of risk is controlled by four sensors which are built in in an overlay of a rear bumper. Range of operation of sensors makes 150 cm for the central sensors, 100 cm for angular sensors. The minimum admissible distance between the sensor and an obstacle makes 30 cm, the sensitivity threshold is broken further. You watch purity of a surface of bumpers.

Areas of coverage of PTS sensors (1 of 2)

Areas of coverage of PTS sensors (2 of 2)

The special light indicator of the Parktronic system is located in the right top corner of a back part of salon, near a back door on the Station wagon models and on the right above on a safety arch on the Cabriolet models.

Design of the light PTS indicator

The indicator is divided into three sections on 2 red, 2 yellow and 2 green segments, - completeness of activation of segments corresponds to distance to the next obstacle. The 3-second continuous acoustic signal warns about dangerous approach to an obstacle (activation of red segments of indicators) of the driver.

At connection of an electrical wiring of the trailer to the turnbuckle socket (at the corresponding complete set of the car) the system is automatically disconnected.

In case of violation of serviceability of functioning of PTS red segments of the light indicator of system are activated and the 3-second acoustic signal is given, - check purity of surfaces of bumpers. In case of need drive away the car on Mercedes-Benz car repair shop for performance of necessary recovery repair of system.