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Home >> Mercedes Benz >> 2012 >> GL350 >> Repair and Diagnosis >> Electrical >> Gauges >> Electrical System, Equipment & Instructions - 164 Chassis - 2 Of 4 >> Testing & Repair >> Remove/install housing for fuse and relay box - AR54.15-P-1259GZA

Remove/install housing for fuse and relay box - AR54.15-P-1259GZA

MODEL 164 with ENGINE 156, 272, 273, 642, 629 

Fig 1: Identifying Fuse And Relay Box Housing Remove/Install Components - Shown On Model 164.1
G10117124Courtesy of MERCEDES-BENZ USA

Shown on model 164.1 with engine 642 

REMOVINGINSTALLING Remove/install     
DANGER Risk of explosion  caused by escaping oxyhydrogen gas. Risk of injury  caused by caustic burns to eyes, skin and mucous membranes from battery electrolyte (contains diluted sulfuric acid) or metal spatter due to short circuit. Risk of burn injuries  caused by short circuit. Risk of poisoning  caused by swallowing battery electrolyte (contains diluted sulfuric acid) or absorption of lead over the skin or orifices No fire, sparks, open flames or smoking. Wear acid-resistant gloves and clothing and safety glasses with side guards.
Do not place any conductive objects on the battery and avoid any short circuit from battery positive to ground.
Only fill liquid battery electrolyte (diluted sulfuric acid) into suitable and appropriately marked containers.
AS54.10-Z-0001-01A
1 Disconnect battery ground cable   AR54.10-P-0003GZ 
2 Detach lock (1) and remove the cover of the fuse and relay box (2) IMPORTANT Two locks in model 164 with engine 629.  
3 Pull off locking lug (4)    
4 Detach fuse and relay box (6) from mounts (arrows)    
5 Pull fuse and relay box (6) out of housing for fuse and relay box (7); when doing so, remove cable passage (3, 5) IMPORTANT Carefully place the fuse and relay box (6) to one side.  
6 Unscrew nut (8, 9)    
7.1 Remove housing for fuse and relay box (7) together with bracket IMPORTANT Modify the bracket if necessary.  
8 Install in the reverse order    
9 Perform basic programming   AR00.19-P-0200GZ