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Home >> Mercedes Benz >> 2012 >> S63 >> Repair and Diagnosis >> Electrical >> Body Electrical >> Electrical System, Equipment & Instructions - 221 Chassis - 4 Of 9 >> Testing & Repair >> Remove/install additional battery relay - AR54.15-P-2000SX

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

MODEL 216, 221 with CODE (B03) ECO start/stop function 

Fig 1: Identifying Additional Battery Relay Remove/Install Components - Shown On Model 216
G10111150Courtesy of MERCEDES-BENZ USA

Shown on model 216 

REMOVINGINSTALLING Remove/install     
1 Detach ground line of on-board electrical system battery   AR54.10-P-0003SX
2 Detach ground line from additional battery for ECO start/stop function (G1/13)   AR54.10-P-0007SXS
3 Unscrew nuts (2) and remove relay for ECO start/stop function (K98)    
4 Take off cover (3)    
5 Unscrew nuts (4) and remove electrical line (6)    
6 Unscrew nuts (5) and remove electrical line (7)    
7 Disconnect electrical connector (8)    
8 Remove relay for ECO start/stop function (K98)    
9 Install in the reverse order