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Home >> Mercedes Benz >> 2008 >> S450 >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel System - 221 Chassis >> Testing & Repair >> Empty fuel tank on systems with faulty fuel pumps - AR47.10-P-4000SX

Empty fuel tank on systems with faulty fuel pumps - AR47.10-P-4000SX

MODEL 216 with ENGINE 156, 157, 273, 275, 278 

MODEL 221 with ENGINE 156, 157, 272, 273, 275, 276, 278, 629, 642 

Fig 1: Identifying Faulty Fuel Pumps/Tank Systems Components (1 Of 2)
G10110755Courtesy of MERCEDES-BENZ USA
Fig 2: Identifying Faulty Fuel Pumps/Tank Systems Components (2 Of 2)
G10110756Courtesy of MERCEDES-BENZ USA
  Drain     
DANGER Risk of explosion  caused by fuel igniting, risk of poisoning  caused by inhaling and swallowing fuel and risk of injury  to eyes and skin caused by contact with fuel No fire, sparks, open flames or smoking.
Only pour fuels into suitable and appropriately marked containers.
Wear protective clothing when handling fuel.
AS47.00-Z-0001-01A
DANGER Risk of death caused by vehicle slipping or toppling off of the lifting platform. Align vehicle between columns of vehicle lift and position four support plates at vehicle lift support points specified by vehicle manufacturer. AS00.00-Z-0010-01A
  Drain right chamber (4) of fuel tank (1)     
1 Open fuel filler flap and remove filler cap    
2 Open latch (2) and remove IMPORTANT If the fuel tank (1) is completely full a small amount of fuel will escape.  
3 Pump fuel out of the fuel tank (1) from the right chamber (4) using an extraction hose in a safety container NOTES To prevent electrostatic charging, the extraction device must be grounded!
IMPORTANT Only the right chamber (4) of the fuel tank (1) will be emptied!
IMPORTANT Observe manufacturer's operating instructions and notes.
 
FLUID SPECIFICATION
Decanting gasoline/diesel delivery pump
*BF47.10-P-1001-01H 
  Drain left chamber (3) of fuel tank (1)     
4 Remove fuel pump Vehicles with diesel engine AR47.20-P-5710SXI 
Vehicles with gasoline engine AR47.20-P-5710SX 
5 Move extraction hose (5) through the right chamber (4) forward into the left chamber (3) of the fuel tank (1) NOTES Handle extraction hose (5) carefully in order to avoid damage to the components installed in the fuel tank (1).  
6 Pump fuel out of the fuel tank (1) from the right chamber (4) using a safety container NOTES To prevent electrostatic charging, the extraction device must be grounded!
IMPORTANT Observe manufacturer's operating instructions and notes.
 
FLUID SPECIFICATION
Decanting gasoline/diesel delivery pump
*BF47.10-P-1001-01H 
7 Mount hook catch (2)    
8 Install fuel pump Vehicles with diesel engine AR47.20-P-5710SXI 
Vehicles with gasoline engine AR47.20-P-5710SX 
  Fill     
9 Pump fuel through filler neck into fuel tank (1) NOTES To prevent electrostatic charging, the extraction device must be grounded!  
10 Mount filler cap and close fuel filler flap    
INSPECT Checking     
DANGER Risk of accident  caused by vehicle starting off by itself when engine is running. Risk of injury  caused by contusions and burns during starting procedure or when working near the engine as it is running Secure vehicle to prevent it from moving by itself.
Wear closed and snug-fitting work clothes.
Do not touch hot or rotating parts.
AS00.00-Z-0005-01A
11 Carry out an engine test run and check fuel system for leaks with engine running    
FUEL TANK

Number Designation Model 216.317/376/386 Model 216.373/394 Model 216.374/377/379
BF47.10-P-1001-01H Fuel tank capacity Total filling capacity Liters 90 83 90
Reserve capacity Liters 11 11 14
FUEL TANK

Number Designation Model 221.022/028/054/056/070/071/080/084/086/087/095/122/128/154/156/170/171/176/180/184/186/187/195 Model 221.003/026/057/073/082/083/094/103/126/157/173/182/183/194 with code 830 Model 221.003/026/057/073/082/083/094/103/126/157/173/182/183/194 without code 830
BF47.10-P-1001-01H Fuel tank capacity Total filling capacity Liters 90 83
Reserve capacity Liters 11 11
FUEL TANK

Number Designation Model 221.074/077/174/177/179
BF47.10-P-1001-01H Fuel tank capacity Total filling capacity Liters 90
Reserve capacity Liters 14