Remove/install hands-free system control unit - AR82.70-P-8970TB

MODEL 211.0 up to 1.6.08 except CODE (809) Model year 2009 with CODE (924) Bivalent natural gas drive with CODE (381) CP-Light telephone system with CODE (383) CP-High telephone system 

Fig 1: Identifying Hands-Free System Control Unit Components

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

	Remove/install
	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
1	Remove left cover in luggage compartment		AR68.30-P-4800TB
2	Disconnect electrical connector (1)	To avoid damaging the fiber optic cable, do not kink fiber optic cable, route over sharp edges or bend in radii smaller than 25 mm. Carefully release locking mechanism of electrical connector (1), risk of breaking locking mechanism.
3	Cover fiber optic cable	The fiber optic cable is integrated in electrical connector (1).	AR82.95-P-0005-01A
4	Remove nuts (2) and take off hands-free system control unit (A35/1)
5	Install in the reverse order
6	Carry out function check