Remove/install loudspeakers in rear doors - AR82.62-P-7874NKC

MODEL 117, 156 

Fig 1: Rear Door Loudspeakers Remove/Install Components

Courtesy of MERCEDES-BENZ USA

	Remove/install
1	Remove door module (1)	Model 156	AR72.12-P-0103NKB
		Model 117	AR72.12-P-0103NKC
2	Disconnect electrical connector (2) from left rear door speaker (H4/3) or right rear door speaker (H4/4)
3	Set door module (1) down on suitable base
4	Unscrew nut (3)	Do not twist adjustment screw (4).
5	Turn door module (1)
6	Lift power window strut (5) out of door module (1) and swivel to one side	Carefully lift power window strut (5) out of door module (1). Otherwise the power window strut (5) may be damaged. The power window strut (5) must be swiveled to one side in order to enable access to the rivets (6).
7	Drill out rivet heads of rivets (6)	Do not drill out rivet heads of rivets (6) too far. Otherwise the door module (1) is damaged and must be replaced. Swivel window lifter strut (5) to one side for access to the respective rivet (6). Use 7 mm dia. bit. Secure left rear door speaker (H4/3) or right rear door speaker (H4/4) with rivet (6).
8	Remove left rear door speaker (H4/3) or right rear door speaker (H4/4) from door module (1)	Commercially available devices/tools  riveter
9	Drive rest of rivets out of housing of left rear door speaker (H4/3) or right rear door speaker (H4/4) with a punch	When reinstalling the old left rear door speaker (H4/3) or right rear door speaker (H4/4). Carefully drive out rest of rivets and remove rest of rivets from housing of left rear door speaker (H4/3) or right rear door speaker (H4/4). Otherwise left rear door speaker (H4/3) or right rear door speaker (H4/4) may be damaged.
10	Install in the reverse order