Removing and installing Parktronic System (PTS) sensors in rear bumper - AR54.65-P-0002B: Notes

WARNING: This page does not describe the selected car, but rather 42 other vehicles, including the 1999 Mercedes-Benz S600, 1999 Mercedes-Benz S500, 1999 Mercedes-Benz S420, 1999 Mercedes-Benz S320, and 1999 Mercedes-Benz CL600. However, it is still accessible from the selected car via links, so may be relevant.

MODEL 140.134 /135 /028 /032 /033 /042 /043 /050 /051 /056 /057 as of 1.8.96, 140.063 /070 /076 as of 1.8.97 with CODE (220a) Parktronic system (PTS)

Shown on model 140 sedan

Fig 1: Identifying Parktronic System (PTS) Sensors Rear Bumper, Electrical Connector And Sensor Support

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

	Removing, installing
1	Remove rear bumper		ra88001400220x
2	Remove damper elements	Regardless of which sensor is to be removed.
3	Disconnect electrical connector (2) on Parktronic system sensor (1)
4.1	Remove sensor (1) from Parktronic sensor support (3) in direction of arrow	Models 140.1, 140.02, 140.03, 140.04, 140.05
		To do this, use the special tool to spread the retaining lugs on the sensor support from the inside of the bumper while pushing the sensor from the outside in the direction of the arrow
			Figure
			Figure
			Figure
			*BA54.65-P-1001-01A
		If sensor support is defective: ↓ Replace Parktronic sensor support	AR54.65-P-0002-01A
4.2	Remove sensor (1) from Parktronic sensor support (3) in direction of arrow	Models 140.06, 140.07 To do this, use the special tool to spread the retaining lugs on the sensor support from the inside of the bumper while pushing the sensor from the outside in the direction of the arrow
			Figure
		If sensor support is defective: ↓ Unclip spring clips on sensor housing and remove sensor housing with insulation disk
5	Install in the reverse sequence
6	Perform function test

PARKTRONIC SYSTEM

Number	Designation		Model 140
BA54.65-P-1001-01A	Union nut to sensor support	Nm	2.5

Fig 2: Identifying Unlocking Device (140 589 06 31 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 3: Identifying Pin Wrench (140 589 05 09 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 4: Identifying Torque Screwdriver (001 589 81 21 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.