Remove/install front prefuse box - AR54.15-P-1330SY

MODEL 216.3 as of 2.6.08 

MODEL 216.3 with CODE (809) Model year 2009 

MODEL 221.0 /1 as of 2.6.08 

MODEL 221.0 /1 with CODE (809) Model year 2009 

Shown on model 221 

Fig 1: Identifying Engine Compartment Pre-Fuse Box, Connectors And Ground Line

Courtesy of MERCEDES-BENZ USA

	Remove/install
1.1	Disconnect ground line (1) from the on-board electrical system battery (G1)	Vehicles as of 2.6.08 without code (Z07) Top protection Vehicles with code (809) Model year 2009 without code (Z07) Top protection Disconnect the ground line (1) on onboard electrical systems with one battery.	AR54.10-P-0003SX
1.2	Disconnect ground line (1) from on-board electrical system battery (G1) and starter battery	Model 221.1 as of 2.6.08 with code (Z07) Top protection Model 221.1 with code (809) Model year 2009 with code (Z07) Top protection Disconnect the ground line (1) on onboard electrical systems with two batteries.	AR54.10-P-0003SX
2	Unclip cover (2) from engine compartment prefuse box (F32/3)
3	Detach electrical lines (3) on top of engine compartment prefuse box (F32/3)	Installation  : The electrical lines (3) are coded.
4	Unclip engine compartment prefuse box (F32/3) (arrows A), lift out and place to one side	Installation  : Make sure that the engine compartment prefuse box (F32/3) is seated correctly.
5	Disconnect electrical connector (4) at bottom of engine compartment prefuse box (F32/3)
6	Disconnect electrical connector (5) at bottom of engine compartment prefuse box (F32/3)	Pull out the retaining pin (6) slightly and push down the retaining pin (6) to unlock the electrical connector (5) (arrow B).
7	Remove engine compartment prefuse box (F32/3)
8	Install in the reverse order