Remove/install navigation processor - AR82.85-P-7373GZ

MODEL 164.### #A up to 441247 with CODE (494) USA version 

Fig 1: Identifying Navigation Processor Remove/Install Components

Courtesy of MERCEDES-BENZ USA

	Remove/install
	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
1	Remove radio (2)	Protect center console dashboard against scratches.	AR82.60-P-7502GZ
2	Remove screws (3) and detach navigation processor (1) by pressing back (arrows) from the radio (2)	The navigation processor must not be pulled upwards. This would damage the electrical connectors. The electrical connectors are integrated in the radio or in the navigation processor, they are separated as they are pushed back (arrows). Align electrical connectors with each other before pushing together.
3	Install in the reverse order