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Home >> Mercedes Benz >> 2014 >> C250 Base >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel System - 204 C Class >> Testing & Repair >> Remove/install fuel level sensor - AR47.10-P-7000CW

Remove/install fuel level sensor - AR47.10-P-7000CW

MODEL 204 with ENGINE 156, 271, 272, 274, 276 

MODEL 207 with ENGINE 271, 272, 273, 274, 276, 278 

Fig 1: Identifying Fuel Level Sensor Remove/Install Components - Shown On Model 204 With Engine 272 (1 Of 2)
G10000246Courtesy of MERCEDES-BENZ USA

Shown on model 204 with engine 272 

Fig 2: Identifying Fuel Level Sensor Remove/Install Components - Shown On Model 204 With Engine 272 (2 Of 2)
G10000247Courtesy of MERCEDES-BENZ USA

Shown on model 204 with engine 272 

REMOVINGINSTALLING Remove/install     
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
1 Remove fuel pump MODEL 204.0/2 with ENGINE 156, 271, 272, 274, 276
MODEL 204.3 with ENGINE 156, 271, 276
MODEL 204.9 with ENGINE 272, 274, 276
MODEL 207 with ENGINE 271, 272, 273, 274, 276, 278
AR47.20-P-5710CW 
2 Remove upper frame (1) from swirl pot (2) Except engine 156
INSTALLATION NOTES
Do not get electrical feed lines caught in moving parts.
The feed lines can be damaged otherwise.
IMPORTANT Press notches simultaneously for upper frame (1) to the side on the swirl pot (2) and push upper frame (1) upwards.
 
3 Lead electrical feed lines for right fuel level indicator sensor (B4/2) out of retaining clip (arrow) on the upper frame (1)    
4 Unlatch locks (3) using a screwdriver and pull RH fuel level indicator sensor (B4/2) out of the swirl pot (2) NOTES
Handle the right fuel level indicator sensor (B4/2) with care.
The float linkage (4) can be deformed otherwise.
 
5 Install in the reverse order    
6 Pull fuel filter (5) with attached fuel lines out of left chamber of the fuel tank    
REFER TO MAINTENANCE   MODEL 204 with ENGINE 156, 271, 272, 274, 276 AP47.20-P-0780CWZ 
REFER TO MAINTENANCE   MODEL 207 with ENGINE 271, 272, 273, 274, 276, 278
NOTES
Handle fuel filter (5) with LH fuel level indicator sensor (B4/1) carefully.
The float linkage (4) can be deformed otherwise.
AP47.20-P-0780EW
7 Unlock and detach electrical connection for LH fuel level indicator sensor (B4/1) from fuel filter (5) INSTALLATION IMPORTANT
Do not get electrical feed lines caught in moving parts and ensure correct routing of the electrical feed lines.
Deflection of the float is impaired otherwise.
 
8 Disengage locks (7) and pull left tank fuel level indicator sensor (B4/1) out of the bracket    
9 Install in the reverse order