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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 >> Check Condition Of Battery - AR54.10-S-1129E

Check Condition Of Battery - AR54.10-S-1129E

Model 447, 448 

MODIFICATION NOTES

12.02.2020 Change of test method of auxiliary battery for park pawl emergency shift mode. Operation step 6  
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  Notes on battery   AH54.10-P-0001-01A
REMOVING Remove     
1 Remove battery to be checked. Remove on-board electrical system battery AR54.10-S-0005E 
    Remove the auxiliary battery Model 447 with code E28 (Additional battery for retrofitted consumers)
Model 447
with code EE8 (Battery 12V 100 Ah)		 AR54.10-S-0007E 
    Remove additional battery for emergency shift park pawl Model 447 with engine 780.701
except code G42 (7G-TRONIC PLUS)
except code G43 (9G-TRONIC)
except code MJ8 (ECO start/stop function)
Model 447 with engine 780.702
except code G42 (7G-TRONIC PLUS)
except code G43 (9G-TRONIC)
except code MJ8 (ECO start/stop function)
Model 447
with code G42 (7G-TRONIC PLUS)
except code MJ8 (ECO start/stop function)
Model 447
with code G43 (9G-TRONIC)
except code MJ8 (ECO start/stop function)		 AR54.10-S-0120E 
    Remove additional battery for ECO start/stop function Model 447
with code MJ8 (ECO start/stop function)
except code D50 (Full-length partition)
except code D51 (Entire partition with 1 window)
except code S23 (Co-driver's seat double seat)
Model 448		 AR54.10-S-0111E 
    Remove additional battery for ECO start/stop function Model 447
with code D50 (Full-length partition)
with code MJ8 (ECO start/stop function)
Model 447
with code D51 (Entire partition with 1 window)
with code MJ8 (ECO start/stop function)
Model 447
with code MJ8 (ECO start/stop function)
with code S23 (Co-driver's seat double seat)		 AR54.10-S-0111EE 
INSPECT Check     
2 Check battery for external leakages or damage via visual check. If a leakage or any damage is detected,
↓
replace battery and dispose of properly and in environmentally-compatible manner.		  
3 Check on-board electrical system battery using battery test device. When checking the on-board electrical system battery. AR54.10-S-1129-01E 
REFER TO SPECIAL TOOLS 000 588 27 19 00 Battery test device   WS54.00-P-0117B
4 Check auxiliary battery using battery test device. Model 447
with code E28 (Additional battery for retrofitted consumers)
Model 447
with code EE8 (Battery 12V 100 Ah)
When checking the auxiliary battery.		 AR54.10-S-1129-01E 
REFER TO SPECIAL TOOLS 000 588 27 19 00 Battery test device   WS54.00-P-0117B
5 Check auxiliary battery for ECO start/stop function using battery test device. Model 447
with code MJ8 (ECO start/stop function)
When checking the auxiliary battery for ECO start/stop function.		 AR54.10-S-1129-01E 
REFER TO SPECIAL TOOLS 000 588 27 19 00 Battery test device   WS54.00-P-0117B
6 Check auxiliary battery for park pawl emergency shift mode. When checking the auxiliary battery for park pawl emergency shift mode.  
REFER TO DESCRIPTION & OPERATION Service Information: Testing method for additional battery for park pawl emergency shift mode Model 447 with engine 780
except code G42 (7G-TRONIC PLUS)
except code G43 (9G-TRONIC)
Model 447
with code G42 (7G-TRONIC PLUS)
except code MJ8 (ECO start/stop function)
Model 447
with code G43 (9G-TRONIC)
except code MJ8 (ECO start/stop function)		 SI54.10-S-0050A
7 Reduce increased voltage of on-board electrical system battery after charging process. When checking the on-board electrical system battery, if the message "Surface voltage detected" is shown on the battery test device display. AR54.10-S-1129-03E 
REFER TO SPECIAL TOOLS 000 588 31 19 00 Load tester   WS15.00-P-0077B
8 Reduce increased voltage of auxiliary battery after charging process. Model 447
with code E28 (Additional battery for retrofitted consumers)
Model 447
with code EE8 (Battery 12V 100 Ah)
When checking the auxiliary battery, if the message "Surface voltage detected" is shown on the battery test device display.		 AR54.10-S-1129-03E 
REFER TO SPECIAL TOOLS 000 588 31 19 00 Load tester   WS15.00-P-0077B
9 Reduce increased voltage of auxiliary battery for ECO start/stop function after charging process. Model 447
with code MJ8 (ECO start/stop function)
When checking the auxiliary battery for ECO start/stop function, if the "Surface voltage detected" message is shown on the battery test device display.		 AR54.10-S-1129-03E 
REFER TO SPECIAL TOOLS 000 588 31 19 00 Load tester   WS15.00-P-0077B
10 Check on-board electrical system battery again using battery test device. When checking the on-board electrical system battery, if an increased voltage was reduced after the charging process. AR54.10-S-1129-01E 
REFER TO SPECIAL TOOLS 000 588 27 19 00 Battery test device   WS54.00-P-0117B
11 Check auxiliary battery again using battery test device. Model 447
with code E28 (Additional battery for retrofitted consumers)
Model 447
with code EE8 (Battery 12V 100 Ah)
When checking the auxiliary battery if an increased voltage was reduced after the charging process.		 AR54.10-S-1129-01E 
REFER TO SPECIAL TOOLS 000 588 27 19 00 Battery test device   WS54.00-P-0117B
12 Check auxiliary battery for ECO start/stop function again using battery test device. Model 447
with code MJ8 (ECO start/stop function)
When checking the auxiliary battery for ECO start/stop function, if an increased voltage was reduced after the charging process.		 AR54.10-S-1129-01E 
REFER TO SPECIAL TOOLS 000 588 27 19 00 Battery test device   WS54.00-P-0117B
13 Charge on-board electrical system battery. When checking the on-board electrical system battery, if the "Charge and check" message is shown on the battery test device display. AR54.10-S-1130E 
14 Charge auxiliary battery. Model 447
with code E28 (Additional battery for retrofitted consumers)
Model 447
with code EE8 (Battery 12V 100 Ah)
After checking the auxiliary battery, if the message "Charge and check" is shown on the battery test device display.		 AR54.10-S-1130E 
15 Charge auxiliary battery for ECO start/stop function. Model 447
with code MJ8 (ECO start/stop function)
After checking the auxiliary battery for ECO start/stop function, if the message "Charge and check" is shown on the battery test device display.		 AR54.10-S-1130E 
16 Fill out test sheet.    
REFER TO FORMS Test sheet for on-board electrical system batteries, starter batteries and support batteries, form   OF54.10-P-3000-02B
INSTALLING Install     
17 Install battery. Install on-board electrical system battery AR54.10-S-0005E 
    Install additional battery Model 447
with code E28 (Additional battery for retrofitted consumers)
Model 447
with code EE8 (Battery 12V 100 Ah)		 AR54.10-S-0007E 
    Install additional battery for emergency shift park pawl Model 447 with engine 780.701
except code G42 (7G-TRONIC PLUS)
except code G43 (9G-TRONIC)
except code MJ8 (ECO start/stop function)
Model 447 with engine 780.702
except code G42 (7G-TRONIC PLUS)
except code G43 (9G-TRONIC)
except code MJ8 (ECO start/stop function)
Model 447
with code G42 (7G-TRONIC PLUS)
except code MJ8 (ECO start/stop function)
Model 447
with code G43 (9G-TRONIC)
except code MJ8 (ECO start/stop function)		 AR54.10-S-0120E 
    Install additional battery for ECO start/stop function Model 447
with code MJ8 (ECO start/stop function)
except code D50 (Full-length partition)
except code D51 (Entire partition with 1 window)
except code S23 (Co-driver's seat double seat)
Model 448		 AR54.10-S-0111E 
    Install additional battery for ECO start/stop function Model 447
with code D50 (Full-length partition)
with code MJ8 (ECO start/stop function)
Model 447
with code D51 (Entire partition with 1 window)
with code MJ8 (ECO start/stop function)
Model 447
with code MJ8 (ECO start/stop function)
with code S23 (Co-driver's seat double seat)
IMPORTANT The batteries must never be mixed up.		 AR54.10-S-0111EE 
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