Remove/install bass module speaker - AR82.62-P-7839GS

MODEL 463.236 /237 /243 /245 /246 /248 /249 /270 /271 /323 /333 /341 with CODE (E66) Sound system (Harman/Kardon) 

MODEL 463.236 /237 /346 with CODE (EU9) Surround sound system (harman/kardon Logic 7) 

Fig 1: Identifying Bass Module Speaker Components

Courtesy of MERCEDES-BENZ USA

	Remove/install
1	Remove cup holder (A) in rear	If installed.
2	Fold left rear bench seat forwards
3	Remove screws (2) of protective grille (1)
4	Remove bolt (3)
5	Remove subwoofer speaker (H4/29)
6	Disconnect electrical connector (4)
7	Install in the reverse order