Remove/install Parktronic system (PTS) sensors in rear bumper - AR54.65-P-0002LW

MODEL 205.0/1/2 with CODE 235 (Active Parking Assist) 

Shown on model 205.0 

Fig 1: Identifying Rear Bumper Parktronic System Sensors Remove/Install Components - Shown On Model 205.0

Courtesy of MERCEDES-BENZ USA

	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
	Remove/install
1	Raise vehicle		AR00.60-P-1000LW
2	Remove rear bumper	Only for rear inner parking system distance sensor (B8/8 or B8/9) or rear center parking system distance sensor (B8/11 or B8/12)
		MODEL 205.2 with CODE 235 (Active Parking Assist)	AR88.20-P-2200LWS
		MODEL 205.0/1 with CODE 235 (Active Parking Assist)	AR88.20-P-2200LW
3	Remove rear underfloor cover and detach heat shields	Only for rear outer parking system distance sensor (B8/7 or B8/10) The number of heat shields can vary according to the type of engine.
4	Disconnect electrical connector (1) from rear outer parking system distance sensor (B8/7 or B8/10), rear inner parking system distance sensor (B8/8 or B8/9) or rear center parking system distance sensor (B8/11 or B8/12)
5	Undo bracket (2) (arrows) and remove rear outer parking system distance sensor (B8/7 or B8/10), rear inner parking system distance sensor (B8/8 or B8/9) or rear center parking system distance sensor (B8/11 or B8/12) from bracket (2)	Check the gasket (3) for damage and correct seat. If there are problems: ↓ Install new seal (3).
6	Install in the reverse order