Remove/Install Fanfare Horns - AR54.35-P-1555W

Model 172.4 

Shown on engine 271.861 

Fig 1: Fanfare Horns Components Location - Model 172.4 (Shown On Engine 271.861)

Courtesy of MERCEDES-BENZ USA

	Remove/install
1	Switch off ignition and remove transmitter key or KEYLESS-GO start/stop button from electronic ignition lock control unit	KEYLESS-GO start/stop button only on vehicles with code (889) Keyless-Go.
2	Open engine hood and raise to vertical position		AR88.40-P-1000V
3	Remove top radiator cover (1) with hose (2)
4	Unscrew nut (4) on left horn (H2) or right horn (H2/1)	The nut (4) can be accessed through the radiator grille (3).
5	Disconnect electrical connectors (5, 6) of left horn (H2) and right horn (H2/1)
6	Push condenser (7) toward rear
7.1	Move left horn (H2) and right horn (H2/1) bracket-first into front module (8), push along front module (8) to right side of vehicle and remove there between condenser (7) and front module (8)	Engine 271, 276
7.2	Move left horn (H2) and right horn (H2/1) funnel-first into front module (8), push along front module (8) to left side of vehicle and remove there between condenser (7) and front module (8)	Engine 651
8	Install in the reverse order