Remove/install main fuse of positive line - AR54.15-P-0051MCU

MODEL 451.3/4 (except 451.39/49) 

Starter/alternator fuse 

Fig 1: Identifying Main Fuse Of Positive Line Remove/Install Components

Courtesy of MERCEDES-BENZ USA

	Remove/install
1	Disconnect battery ground line		AR54.10-P-0003MCC
2	Unclip top cover (2) from bottom cover (1) and remove top cover (2) and bottom cover (1)
3	Unscrew nuts (3) and remove starter/alternator fuse (F58)	Replace self-locking nuts (3).
4	Install in the reverse order