Remove/install Parktronic system (PTS) sensors in front bumper - AR54.65-P-0001EW

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MODEL 212 with CODE (220) PARKTRONIC with CODE (230) Advanced Parking Guidance

Fig 1: Parktronic System Sensors In Front Bumper Remove/Install Components

Courtesy of MERCEDES-BENZ USA

Figure item, etc.	Work instructions
	Remove front bumper (1).		AR88.20-P-2000EW
B8/1, B8/6	Outer left front PARKTRONIC distance sensor, outer right front PARKTRONIC distance sensor	Unlock locks of bracket (7) (arrows) and remove outer left front PARKTRONIC distance sensor (B8/1) or outer right front PARKTRONIC distance sensor (B8/6) from bracket (7), then disconnect electrical connector (8). Check sealing ring (9), replace if damaged.
B8/2, B8/5	Center left front PARKTRONIC distance sensor, center right front PARKTRONIC distance sensor	Unclip left impact absorber (2) or right impact absorber (6) from front bumper (1). Unlock locks of bracket (7) (arrows) and remove center left front PARKTRONIC distance sensor (B8/2) or center right front PARKTRONIC distance sensor (B8/5) from bracket (7), then disconnect electrical connector (8). Check sealing ring (9), replace if damaged.
B8/3, B8/4	Inner left front PARKTRONIC distance sensor, inner right front PARKTRONIC distance sensor	Unclip center impact absorber (4). Unclip left impact absorber (2) or right impact absorber (6) Unclip holder (3) or holder (5). On vehicles with code (233) DISTRONIC PLUS, place holder (3) and left inner radar sensor, front bumper (A86/1b2) with connected electrical connection to the side or place holder (5) with right inner radar sensor, front bumper (A86/1b3) with connected electrical connection to the side. Unlock locks of bracket (7) (arrows) and remove inner left front PARKTRONIC distance sensor (B8/3) or inner right front PARKTRONIC distance sensor (B8/4) from bracket (7), then disconnect electrical connector (8). Check sealing ring (9), replace if damaged. If on model 212.077/277 the inner left front PARKTRONIC distance sensor (B8/3) or the inner right front PARKTRONIC distance sensor (B8/4) needs to be replaced, it must be painted for visual reasons (color code 9979).