Remove/install additional battery relay - AR54.15-P-2000RK

MODEL 231 with CODE B03 (ECO start/stop function) 

Fig 1: Additional Battery Relay Remove/Install Components (1 Of 2)

Courtesy of MERCEDES-BENZ USA

Fig 2: Additional Battery Relay Remove/Install Components (2 Of 2)

Courtesy of MERCEDES-BENZ USA

	Remove/install
1	Remove rear SAM control unit with fuse and relay module (N10/2) and place to one side with electrical lines still attached		AR54.21-P-1259RK
2	Disconnect battery ground line		AR54.10-P-0003RK
3	Detach ground line (7) from additional battery for ECO start/stop function (G1/13)		AR54.10-P-0007RK
4	Detach TV tuner (analog/digital) (A90/1) or TV digital tuner (A90/3) and place to one side with lines attached	Vehicles with CODE 863 (Digital/analog TV tuner) or with CODE 865 (TV tuner) Do not kink optical fiber. Otherwise it may be damaged.	AR82.85-P-7366RK
5	Unscrew nuts (10) and detach electrical lines (11, 12)	Nut, positive line to relay for additional battery	*BA54.15-P-1008-01A
6	Disconnect electrical connector (13)
7	Unscrew nuts (14) and remove relay on additional battery for ECO start/stop function (K114)
8	Install in the reverse order

FUSE AND RELAY BOX

Number	Designation			MODEL 231
BA54.15-P-1008-01A	Nut, positive line to relay for additional battery	M6	Nm	9