Remove/Install Fuse Box Of Secondary 12 V On-Board Electrical System - AR54.15-P-0009S

Model 223 

with code 200 (Conditionally automated driving) 

Model 223 

with code 503 (Remote-controlled parking) 

Fig 1: Fuse Box Of Secondary 12 V On-Board Electrical System Components Location - Model 223 With Code 200, 503

Courtesy of MERCEDES-BENZ USA

Notice	Notes on battery		AH54.10-P-0001-01A
	Notes on safety-relevant components		AH00.00-Z-0019-01A
	Remove/install
1	Switch off ignition and store transmitter key outside of transmission range (min. 2 m).
2	Remove fuse and relay module in rear passenger compartment and place to one side with connected lines.		AR54.15-P-0001S
3	Remove vent hose of secondary 12 V on-board electrical system battery.
4	Lift out pre-fuse box (F150/4) (arrows).
5	Remove electric lines (1).	Nut, electric line to secondary 12 V on-board electrical system fuse box	*BA54.15-P-1009-01J
6	Install in the reverse order.