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Detach/attach filler neck on fuel tank - AR47.10-P-7542GWB

MODEL 463 with ENGINE 157, 273 as of model year 2013 

MODEL 463 with ENGINE 176, 279 

Shown on fuel tank (6) of the model 463 with engine 157/facelift 2012 

Fig 1: Bracket, Hose Clamp, Filler Neck, Fuel Tank And Vent Pipe - Shown On Fuel Tank (6) Of Model 463 With Engine 157/Facelift 2012
G10780876Courtesy of MERCEDES-BENZ USA
DANGER Risk of explosion  caused by fuel igniting, risk of poisoning caused by inhaling and swallowing fuel as well as risk of injury to eyes and skin caused by contact with fuel. No fires, sparks, open flames or smoking. Pour fuels into suitable and appropriately marked containers only.
Wear protective clothing when handling fuel.
AS47.00-Z-0001-01A
REMOVINGINSTALLING Remove/install     
1 Remove right rear wheel well cover    
2 Detach activated charcoal canister and place with attached lines to one side Model 463 with engine 176, 279  
  AR47.30-P-8212GW 
3 Detach ground line at filler neck (4) Model 463 with engine 176, 279  
4 Loosen hose clamp (3) INSTALLATION IMPORTANT Replace hose clamp (3).  
5 Unfasten hose clamp (2) INSTALLATION IMPORTANT Replace hose clamp (2).  
6 Detach hose from vent pipe (7) and check hose of the vent pipe (7) for damage If damage is present
↓
Replace hose on vent pipe (7).
 
7 Remove hose between filler neck (4) and filler neck (5) and check hose between filler neck (4) and filler neck (5) for damage INSTALLATION NOTES Ensure correct seating of hose between filler neck (4) and filler neck (5).
Fuel or fuel vapors can escape otherwise.
If damage is present
↓
Replace hose between filler neck (4) and filler neck (5).
 
8 Seal opening on filler neck (5)    
9 Remove screw/bolt (1) on bracket    
10 Remove tank filler cap    
11 Remove filler neck (4)    
12 Install in the reverse order