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

MODEL 463 as of model year 2013/facelift 2012 

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

Courtesy of MERCEDES-BENZ USA

	Remove/install
1.1	Remove front bumper	Vehicles with code (990) AMG vehicles	AR88.20-P-2000GW
1.2	Unclip cover from Distronic (DTR) sensor	Vehicles without code (990) AMG vehicles
2	Detach electrical connection from distance sensor
3	Remove distance sensor	To do so press retaining lugs (2) outwards and remove distance sensor from bracket (3) in direction of arrow. The sensor surface must not be scratched here. Otherwise the Parktronic system (PTS) function may be impaired. If the distance sensor is renewed, it has to be painted in the bumper color.
4	Remove sealing ring (4) from distance sensor	Check sealing ring for damage and replace if necessary.
5	Release catch hooks of bracket (3) and remove cover (1) forward or remove bracket (3) to the rear from the bumper	When replacing the bracket (3) with cover (1) If the bracket (3) with cover (1) is replaced, the cover (1) has to be painted in the bumper color.
6	Remove sensor cable
7	Install in the reverse order