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Home >> Mercedes Benz >> 2019 >> B250 Base >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Electrical System, Equipment & Instructions - 246 Chassis >> Testing & Repair >> Check condition of additional battery >> Check condition of additional battery - AR54.10-P-1128NKB

Check condition of additional battery - AR54.10-P-1128NKB

MODEL 117, 156, 246 up to model year 2015 with CODE B03 (ECO start/stop function) 

MODEL 176 up to model year 2015 with CODE B03 (ECO start/stop function) 

MODEL 242 with engine 270 up to model year 2015 with CODE B03 (ECO start/stop function) 

Shown on model 246 

Fig 1: Identifying Additional Battery Components - Shown On Model 246
G10251193Courtesy of MERCEDES-BENZ USA
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
REMOVINGINSTALLING Remove/install     
1 Move front passenger seat toward rear    
2 Switch off ignition and keep transmitter key at a location beyond transmitter range (at least 2 m)    
3 Fold back floor covering (1) in front passenger footwell    
4 Release locks (arrows A) and remove cover (3)    
5 Release locks (2.1) and remove cover (2) INSTALLATION IMPORTANT On the cover (2) the rear guides (arrows B) must be hooked-in first.  
6 Install in the reverse order    
INSPECT Check     
7 Visually inspect additional battery for ECO start/stop function (G1/13) for signs of external leaks In event of leakage to additional battery for ECO start/stop function (G1/13) ↓
Replace additional battery for ECO start/stop function (G1/13)
 
AR54.10-P-0007NKB 
8 Check additional battery for ECO start/stop function (G1/13)   AR54.10-P-1129-01A
REFER TO SPECIAL TOOLS 000 588 02 19 00 Battery tester   WS54.00-N-3006B 
Battery capacity 12 Ah *BE54.10-P-1017-01A 
Battery capacity 12 Ah *BE54.10-P-1001-01A 
9 Charge additional battery for ECO start/stop function (G1/13) directly at the battery terminals When "Charge and check" is shown on the battery tester display.  
REFER TO SPECIAL TOOLS 000 588 00 81 00 Charger   WS54.00-P-0037B 
10 Check additional battery for ECO start/stop function (G1/13) again    
REFER TO SPECIAL TOOLS 000 588 02 19 00 Battery tester   WS54.00-N-3006B 
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
TEST AND ADJUSTMENT VALUES FOR BATTERY

Number Designation Model all
BE54.10-P-1017-01A Battery capacity 12 Ah Cold cranking amps As per EN A 200