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Remove/install fuel pressure sensor - AR07.04-P-0030EW

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ENGINE 271, 272, 273, 274 in MODEL 212 

ENGINE 274 in MODEL 218 

Shown on MODEL 212.003 

Fig 1: Fuel Pressure Sensor Remove/Install Components - Shown On Model 212.003
G09974632Courtesy 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
NOTES Notes on avoiding damage through contamination and foreign objects   AH00.00-P-5000-01A
REMOVINGINSTALLING Remove/install     
1 Switch off ignition and remove transmitter key    
2 Unscrew fuel filler flap, unscrew tank lid and close them again IMPORTANT in order to relieve pressure in the fuel tank.  
3 Remove seat cushion in the rear ENGINE 274 in MODEL 218.9 AR91.12-P-1020ELX
    ENGINE 274 in MODEL 218.3 AR91.12-P-1020EL
    ENGINE 271, 272, 273, 274 in MODEL 212 without CODE 224 (Rear individual seat design) AR91.12-P-1020CW
    ENGINE 271, 272, 273, 274 in MODEL 212 with CODE 224 (Rear individual seat design) AR91.12-P-1020EW
4 Remove cover for the left service opening   AR47.10-P-4100-02EW
    INSTALLATION IMPORTANT Carry out leak test before installing the cover.  
    TORQUE SPECIFICATION Screw/bolt, cover to vehicle floor *BA47.10-P-1005-01M 
5 Release and disconnect electrical connection (1) on pressure sensor (B4/7)    
6 Pry out clamp (2) with screwdriver in direction of vehicle front    
7 Pull fuel pressure sensor (B4/7) out of fuel filter (3) INSTALLATION IMPORTANT Replace O-ring (4) and apply lubricant paste.  
    Antifriction paste, rubber parts 2.5 kg, DBL 6867.00 *BR00.45-Z-1002-06A 
8 Install in the reverse order    
DANGER Risk of accident  from vehicle starting off by itself when engine running. Risk of injury  (bruises and burns) resulting from working on the engine while it is being started or when it is running. Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. AS00.00-Z-0005-01A
9 Start engine and check fuel system for leaktightness    
FUEL TANK

Number Designation MODEL 212 MODEL 218
BA47.10-P-1005-01M Screw/bolt, cover to vehicle floor Nm 3 3
REPAIR MATERIALS

Number Designation Order number
BR00.45-Z-1002-06A Antifriction paste, rubber parts 2.5 kg, DBL 6867.00 A 000 989 01 60