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Home >> Mercedes Benz >> 2014 >> GL550 >> Repair and Diagnosis >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Electrical System, Equipment & Instructions - 166 Chassis - 3 Of 5 >> Testing & Repair >> Check Condition Of Additional Battery - AR54.10-P-1128W

Check Condition Of Additional Battery - AR54.10-P-1128W

MODEL 166, 172 with CODE B03 (ECO start/stop function) 

MODIFICATION NOTES

6.3.13 Battery Capacity 12 Ah   BE54.10-P-1001-01A
Fig 1: Identifying ECO Start/Stop Function Additional Battery
G09982590Courtesy of MERCEDES-BENZ USA
REMOVING Remove     
DANGER Risk of explosion  from explosive gas. Risk of poisoning  and caustic burns from swallowing battery electrolyte. Risk of injury  through burns to skin and eyes from battery acid or when handling damaged lead-acid batteries No fires, sparks, open flames or smoking. Wear acid-resistant gloves, clothing and glasses. Only pour battery acid into suitable and appropriately marked containers. AS54.10-Z-0001-01A
NOTES Notes on battery   AH54.10-P-0001-01A
IMPORTANT Notes on AGM battery   AH54.10-P-0002-01A
1 Expose ECO start/stop function additional battery (G1/13) MODEL 172 AR54.10-P-0007W
MODEL 166.8 AR54.10-P-0007GQX 
MODEL 166.0 AR54.10-P-0007GQA
INSPECT Check     
2 Check ECO start/stop function additional battery (G1/13) for external leakage If leaks found, replace additional battery for ECO start/stop function (G1/13).

Remove/install additional battery
 
MODEL 172 AR54.10-P-0007W
MODEL 166.8 AR54.10-P-0007GQX 
MODEL 166.0 AR54.10-P-0007GQA
3 Check additional battery for ECO start/stop function (G1/13)   AR54.10-P-1129-01A
IMPORTANT Use the Midtronics battery tester for testing.  
Battery capacity 12 Ah *BE54.10-P-1001-01A 
4 Reduce increased voltage after charging process For an ECO start/stop function additional battery (G1/13) that is disconnected from the on-board electrical system and if the message "Surface voltage" is in the display of the Midtronics battery tester.  
Check battery
IMPORTANT If the voltage increases after removal, check the additional battery for the ECO start/stop function (G1/13) again.
AR54.10-P-1129-01A
5 Charge additional battery for ECO start/stop function (G1/13) With the test code "Charge and check" on the Midtronics battery tester.  
MODEL 172 AR54.10-P-1130V
MODEL 166 AR54.10-P-1130GZ 
INSTALLING Install     
6 Install remaining parts MODEL 172 AR54.10-P-0007W
MODEL 166.8 AR54.10-P-0007GQX 
MODEL 166.0 AR54.10-P-0007GQA
TEST AND ADJUSTMENT VALUES FOR BATTERY

Number Designation MODEL ALL
BE54.10-P-1001-01A Battery capacity 12 Ah Cold cranking amps As per EN A 170