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Home >> Mercedes Benz >> 2021 >> CLS450 4Matic >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Electrical System, Equipment & Instruments - 257 Chassis 3 Of 8 >> Testing & Repair >> Remove/Install Battery Sensor - AR54.10-P-0002FR

Remove/Install Battery Sensor - AR54.10-P-0002FR

Model 257 

Model 290 

MODIFICATION NOTES

07.07.2021 New operation step inserted. Step 5  

Shown on model 257 except code B01 (48V technology) 

Fig 1: Battery Sensor Component Location - Model 257 (Shown Except Code B01)
G14549060DANGERREMOVINGINSTALLINGIMPORTANTTORQUE SPECIFICATIONTORQUE SPECIFICATIONTORQUE SPECIFICATIONREFER TO SELF-DIAGNOSTIC SYSTEMSCourtesy of MERCEDES-BENZ USA
DANGER Risk of fire  /risk of explosion due to short circuit and escaping oxyhydrogen gas. Risk of (burn) injury caused by caustic burns to eyes, skin and mucous membranes from battery electrolyte/mist, short circuit and arcing. Risk of poisoning  caused by swallowing battery electrolyte or absorption of lead through the skin or body orifices. Risk of death  due to voltage U >= 30 V AC and U >= 60 V DC. No fires, sparks, open flames, or smoking.
Wear acid-resistant gloves, clothing, and glasses. Pour battery acid only into suitable and appropriately marked containers.
AS54.10-Z-0001-01A 
Notice Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
Notice Notes on battery   AH54.10-P-0001-01A
REMOVINGINSTALLING Remove/install     
1 Disconnect ground line (1) from on-board electrical system battery (G1).   AR54.10-P-0003FR 
2 Release and disconnect electrical connector (2).    
3 Detach nut (3) and remove ground line (1) with battery sensor (B95). IMPORTANT The ground line (1) and the battery sensor (B95) are one component and cannot be replaced individually.  
    TORQUE SPECIFICATION Rear on-board electrical system battery ground point *BA00.19-P-1036-02D 
    TORQUE SPECIFICATION Left on-board electrical system battery ground point *BA00.19-P-1035-02D 
    TORQUE SPECIFICATION Right on-board electrical system battery ground point *BA00.19-P-1034-02D 
4 Install in the reverse order.    
5 Commission battery sensor (B95). When replacing battery sensor (B95).  
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-06FR
GROUND POINTS

Number Designation Model 257 Model 290
BA00.19-P-1034-02D Right on-board electrical system battery ground point W10 Nm 16 16
GROUND POINTS

Number Designation Model 257 Model 290
BA00.19-P-1035-02D Left on-board electrical system battery ground point W10/1 Nm 16 16
GROUND POINTS

Number Designation Model 257 Model 290
BA00.19-P-1036-02D Rear on-board electrical system battery ground point W10/6 Nm 16 16