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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 >> Charge Battery - AR54.10-P-1130GZ

Charge Battery - AR54.10-P-1130GZ

MODEL 164, 166, 292 

Shown on model 166.873 with installed on-board electrical system battery 

Fig 1: Identifying Engine Compartment Pre-Fuse Box, Cover And Ground Terminal Point - Shown On Model 166.873
G09982591Courtesy 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
INSPECT Check     
1 Check condition of on-board electrical system battery Not with active transport mode.  
AR54.10-P-1129GZ 
  Charging     
2 Connect charger to on-board electrical system battery With on-board electrical system battery removed.
NOTES Do not reverse polarity.
There is a risk of short circuit otherwise.
 
3 Open engine compartment prefuse box (3) by moving cover (2) With on-board electrical system battery installed.  
4 Connect positive terminal of charger (4) to charging terminal point of engine compartment prefuse box (3) and ground terminal of charger (5) to ground terminal point (1) With on-board electrical system battery installed.
NOTES Do not reverse polarity.
There is a risk of short circuit otherwise.
 
5 Charge on-board electrical system battery    
REFER TO SPECIAL TOOLS     WS54.00-P-0037B
    IMPORTANT Charge the on-board electrical system battery using an approved charger.
IMPORTANT The charging period depends on the charge level of the on-board electrical system battery.
The battery is sufficiently charged when the charging current reading is < 25 A.
 
6 Disconnect battery charger NOTES Switch off charger beforehand.
There is otherwise a risk of spark formation.
 
INSPECT Check     
7 Check condition of on-board electrical system battery   AR54.10-P-1129GZ