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Home >> Mercedes Benz >> 2019 >> S450 Base >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Electrical System, Equipment & Instruments - 222 Chassis (05 Of 10) >> Testing & Repair >> Disconnect/Connect Battery Ground Line - AR54.10-P-0003LF

Disconnect/Connect Battery Ground Line - AR54.10-P-0003LF

Model 217, 222 

Show on model 222.004 

G15370395Courtesy 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 
WARNING Risk of injury.  Moving parts can pinch, crush or, in extreme cases even sever extremities. No parts of the body or limbs should be within the operating area of mechanical components when moving components. AS00.00-Z-0009-01A
Topical note  General information on handling vehicles with high-voltage on-board electrical system and/or lithium-ion battery and/or gaseous-fuel drive system   AH00.00-Z-0300-01A
Topical note  Notes on battery   AH54.10-P-0001-01A
  Notes on HANDS-FREE ACCESS   AH80.61-P-0001-01A
REMOVINGINSTALLING Remove/install     
1 Switch off all electrical consumers, and disconnect charger and vehicle diagnosis system. If electrical consumers are active, a charger or a vehicle diagnosis system is connected.  
REFER TO SELF-DIAGNOSTIC SYSTEMS   NOTES Switch off all electrical consumers.
Risk of damage to consumers when disconnecting/connecting ground line.
AD00.00-P-2000-04B
2 Switch off ignition and store transmitter key outside of transmitter range (min. 2 m).    
3 Open hood. Model 222.004/057/104/157/163/173
IMPORTANT Opening the hood deactivates the pre-entry climate control via the contact switch.
This ensures that no currents are flowing in the 12 V on-board electrical system.
 
4.1 Remove load compartment well. Model 222 AR68.30-P-4600LF
4.2 Remove front partition trim or trunk lining. Model 217  
    Model 217.4 AR68.30-P-4602LCA
    Model 217.3 AR68.30-P-4600LC
5 Disconnect ground cable. Model 217.4 AR54.10-P-0003-04LCA
    Model 222.004/057/077/104/157/177/178/179/187/188
Model 222.058/059/060/158/159/160/169/969
Model 222.083/086/183/186/983/986
except code 811 (High-End sound system)
Model 222.176
except code Z07 (B7 armoring on special protection version)
AR54.10-P-0003-04LF 
    Model 217.3
Model 222.020/021/032/033/034/035/064/066/067/082/085/120/121/123/132/133/134/135/150/155/162/163/164/165/166/167/173/182/184/185
Model 222.083/086/183/186/983/986
with code 811 (High-End sound system)
Model 222.176
with code Z07 (B7 armoring on special protection version)
Model 222.964/967/976/980/982/984/985
IMPORTANT Model 222.058/059/060/158/159/160/169 The 48 V on-board electrical system automatically switches off 12 V on-board electrical system support 10 s after disconnection of the ground line.
AR54.10-P-0003-04LFA 
    TORQUE SPECIFICATION Model 217, 222 Nut, charging cable to negative terminal/positive terminal of on-board electrical system battery *BA54.10-P-1003-01J 
    TORQUE SPECIFICATION Model 222 Battery ground point *BA00.19-P-1012-01C 
    TORQUE SPECIFICATION Model 217.4 Ground point (starter battery) *BA00.19-P-1012-01J 
6 Slide cover (5) to the side and remove cover above coolant expansion reservoir. Model 222.004/057/104/157/163/173  
7 Test voltage. Model 217.364/382/384/385
Model 222 (except 222.077/176/177/178/179/187/188/980)
except code B01 (48V technology)
 
    Model 222.004/057/104/157/163/173
except code B01 (48V technology)
AR54.10-P-0003-05LFA 
    Model 217.364/382/384/385
Model 222 (except 222.004/057/077/083/086/104/157/163/173/176/177/178/179/183/186/187/188/980/983/986)
except code B01 (48V technology)
except code Z07 (B7 armoring on special protection version)
AR54.10-P-0003-05LF 
8 Install in the reverse order    
GROUND POINTS

Number Designation Model 222 up to model year 2018 Model 222 as of model year 2018
BA00.19-P-1012-01C Battery ground point W10 Nm 16 16
GROUND POINTS

Number Designation Model 217 up to model year 2018 Model 217 as of model year 2018
BA00.19-P-1012-01J Ground point (starter battery) W10 Nut (aluminum) Nm 7 7
Bolt (steel) Nm 16 16
BATTERY

Number Designation Model 217 Model 222
BA54.10-P-1003-01J Nut, charging cable to negative terminal/positive terminal of on-board electrical system battery Nm 6 6