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Home >> Mercedes Benz >> 2021 >> Metris Van Cargo >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Electrical System, Equipment & Instruments (07 Of 11) -- 447 Chassis >> Testing & Repair >> Remove/Install Battery - AR54.10-S-0005E

Remove/Install Battery - AR54.10-S-0005E

Model 447, 448 

MODIFICATION NOTES

16.03.2022 Use the diagnostic system to confirm the battery change in the SAM control unit in the "Actuations" menu item, added. Operation step 10  
16.03.2022 Perform redocumentation in VeDoc, added. Operation step 11  
G16482826Courtesy 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  General information on vehicles with high-voltage on-board electrical system and/or lithium-ion battery and/or gaseous-fuel drive system as well as personal protective equipment Model 447 with engine 780 AH00.00-Z-0300-01A
Notice  Notes on carrying out repair work in the vehicle interior   AH68.00-D-0001-01KOS
Notice  Notes on battery   AH54.10-P-0001-01A
REMOVINGINSTALLING Remove/install     
1 Disconnect ground line (4) from on-board electrical system battery (G1).   AR54.10-S-0003E 
2 Unscrew screws (1) and remove bracket (2).    
3 Detach vent hose (3) from on-board electrical system battery (G1). INSTALLATION NOTES
Check that vent hose (3) is correctly seated. Otherwise escaping battery acid mist can cause damage to the vehicle.
 
4 Pull on-board electrical system battery (G1) out of guide under right seat base (6) and place onto door sill trim (7).    
5 Remove positive terminal cover.    
6 Disconnect positive line (5) of on-board electrical system battery (G1). INSTALLATION NOTES
Before being connected, the positive line (5) must be aligned with the on-board electrical system battery (G1), as shown (arrow).
Otherwise a short circuit can be caused through contact of the positive line (5) with the right seat base (6).
TORQUE SPECIFICATION Bolt, positive line to positive terminal of on-board electrical system battery/additional battery
*BA54.10-Z-1002-01KOF 
INSPECT Check     
7 Check for absence of voltage of 12 V on-board electrical system. Model 447
with code ME0 (Electric motor 85 kW)
Model 447
with code ME4 (Electric motor 145 kW)
 
REFER TO DESCRIPTION & OPERATION Service Information: Determine absence of voltage of 12 V on-board electrical system after removing the ground or positive line of the on-board electrical system battery   SI54.10-S-0072A
REFER TO SPECIAL TOOLS 000 588 07 19 00 Measuring instrument IMPORTANT The engine hood must be closed. Observe the Service Information. WS54.00-Z-3005KOB
8 Remove on-board electrical system battery (G1). INSTALLATION IMPORTANT When installing a new on-board electrical system battery (G1), note down the 24-digit identification number of the on-board electrical system battery (G1).  
9 Install in the reverse order.    
10 Use the diagnostic system to confirm battery change in the SAM control unit in the "Actuations" menu item. If the on-board electrical system battery (G1) was replaced.  
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-S-2000-04E
11 Perform redocumentation in VeDoc. If the on-board electrical system battery (G1) was replaced.  
REFER TO DESCRIPTION & OPERATION Service Information: Notes on safety-relevant components subject to redocumentation requirements IMPORTANT Observe noted-down 24-digit code number. SI00.10-S-0033A
BATTERY

Number Designation Model 447, 448
BA54.10-Z-1002-01KOF Bolt, positive line to positive terminal of on-board electrical system battery/additional battery Nm 5