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Home >> Mercedes Benz >> 2021 >> CLS450 Base >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel System - 257 Chassis >> Testing & Repair >> Remove/Install Fuel Tank - AR47.10-P-4100MSA

Remove/Install Fuel Tank - AR47.10-P-4100MSA

Model 213, 238, 257, 290 with engine 256.9 

Model 257 with engine 264 

MODIFICATION NOTES

12.05.2020 Document completely revised.    
G14549036Courtesy of MERCEDES-BENZ USA
G14549037Courtesy of MERCEDES-BENZ USA
  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 
CAUTION Risk of injury  caused by scraping or cutting Always wear protective gloves when working AS00.00-Z-0017-01A
  body parts on sharp vehicle parts on or near sharp and non-deburred vehicle parts.
Deburr repair panels.
 
Notice Notes on self-locking nuts and bolts   AH00.00-P-0001-01KOA
Notice Notes on avoiding damage through contamination and foreign objects   AH00.00-P-5000-01A
Notice Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
REMOVINGINSTALLING Remove/install     
1.1 Empty fuel tank (1) with fuel pump. Model 213, 238, 257, 290 with engine 256.9 If fuel pump is intact. AR47.10-P-4001MSA 
1.2 Empty fuel tank (1) using fuel transfer pump. Model 213, 238, 257, 290 with engine 256.9 With defective fuel pump. AR47.10-P-4000MSA 
1.3 Empty the fuel tank (1). In the case of a defective and intact fuel pump
Model 257 with engine 264
AR47.10-P-4001OLC
2 Release and disconnect electrical connector o fuel pump. Where fuel tank (1) is emptied using fuel transfer pump.  
    Model 213, 238, 257, 290 with engine 256.9 AR47.20-P-5710MSA 
    Model 257 with engine 264 AR47.20-P-5710OLC
3 Remove rear axle. Model 238 with engine 256.9 AR35.10-P-0010LWO
    Model 290 with engine 256.9 AR35.10-P-0010FRX
    Model 213 (except 213.088/089/288/289) with engine 256.9 AR35.10-P-0010LWE
    Model 257 with engine 256.9, 264 AR35.10-P-0010FR
4 Remove propeller shaft. Model 290 with engine 256.9 AR41.10-P-0050MNI
    Model 213, 238 with engine 256.9 AR41.10-P-0050LW
    Model 257 with engine 256.9, 264 AR41.10-P-0050MSA
5 Remove the right rear fender liner. Model 213, 238 with engine 256.9 AR88.10-P-1300LWE
    Model 257, 290 with engine 256.9, 264 AR88.10-P-1302FR
6 Remove tank filler recess. Model 213, 238 with engine 256.9 AR88.60-P-2001LWE
    Model 257, 290 with engine 256.9, 264 AR88.60-P-2001FR
7 Remove screw (9). TORQUE SPECIFICATION Screw/bolt, filler neck bracket to body *BA47.10-P-1003-01P 
8 Unscrew screw (12); remove washer (13) and heat shield (11). INSTALLATION IMPORTANT Insert pulley (13) between fuel tank filler pipe (10) and body.  
    TORQUE SPECIFICATION Screw/bolt, filler pipe to body *BA47.10-P-1002-01P 
9 Remove nut and remove ground line (14). TORQUE SPECIFICATION M6X1 *BA00.10-P-1002-04A 
10 Remove hose from activated charcoal Model 290 with engine 256.9 AR47.30-P-8212MNI
  canister. Model 213, 238, 257 with engine 256.9 AR47.30-P-8212MSA 
    Model 257 with engine 264 AR47.30-P-8212MRD
11 Seal openings using protective cover. SPECIAL TOOL Set of protective caps Fig 1
12 Clean fuel lines in the area of the separating points (2). Assembly cleaner *BR00.45-Z-1028-04A 
13 Release and disconnect fuel lines from separating points (2), seal openings with, SPECIAL TOOL Record plug Fig 2
  suitable stop plugs, and collect escaping fuel in a suitable container.    
14 Support fuel tank (1).    
REFER TO SPECIAL TOOLS 000 588 11 62 00 Major assembly mount   WS01.00-P-0092B
REFER TO SPECIAL TOOLS 000 588 10 62 00 Support plate   WS26.00-P-3309B
15 Remove cap from heat shield (3).    
16 Remove screws (6) and remove tensioning straps (8). TORQUE SPECIFICATION Screw/bolt, fuel tank/tensioning strap to vehicle floor *BA47.10-P-1001-01P 
17 Lower fuel tank (1) slowly and remove.    
REFER TO SPECIAL TOOLS 000 588 11 62 00 Major assembly mount   WS01.00-P-0092B
REFER TO SPECIAL TOOLS 000 588 10 62 00 Support plate IMPORTANT Aid of helper required. WS26.00-P-3309B
18 Remove right fill level sensor. When replacing the fuel tank (1).  
    Model 213, 238, 257, 290 with engine 256.9 AR47.50-P-0110MSA 
    Model 257 with engine 264 AR47.50-P-0110MND
19 Remove purge line from fuel tank (1). When replacing the fuel tank (1).  
20 Remove heat shield (3) from fuel tank (1). When replacing the fuel tank (1).  
21 Install in the reverse order.    
22 Read out and delete fault memory.    
    Model 238 with engine 256.9 AD00.00-P-2000-06LWO
REFER TO SELF-DIAGNOSTIC SYSTEMS   Model 213 with engine 256.9 AD00.00-P-2000-04B
REFER TO SELF-DIAGNOSTIC SYSTEMS   Model 257 with engine 264
Model 257, 290 with engine 256.9
AD00.00-P-2000-06FR
WARNING 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
23 Perform an engine test run; when doing so, check the engine for proper operation and the fuel system for leaks.    
METRIC SCREWS/BOLTS AND NUTS AS PER MBN 10 105, 10 143

Number Designation 8.8 10.9
BA00.10-P-1002-04A M6X1 Nm 9 13
FUEL TANK

Number Designation Model 213 Model 238
BA47.10-P-1001-01P Screw/bolt, fuel tank/tensioning strap to vehicle floor Nm 25 25
FUEL TANK

Number Designation Model 257 Model 290
BA47.10-P-1001-01P Screw/bolt, fuel tank/tensioning strap to vehicle floor Nm 25 25
FUEL TANK

Number Designation Model 213 Model 238
BA47.10-P-1002-01P Screw/bolt, filler pipe to body Nm 15 15
FUEL TANK

Number Designation Model 257 Model 290
BA47.10-P-1002-01P Screw/bolt, filler pipe to body Nm 15 15
FUEL TANK

Number Designation Model 213 Model 238
BA47.10-P-1003-01P Screw/bolt, filler neck bracket to body Nm 15 15
FUEL TANK

Number Designation Model 257 Model 290
BA47.10-P-1003-01P Screw/bolt, filler neck bracket to body Nm 15 15
Fig 1: Identifying Set Of Protective Caps (001 589 00 91 00)
G12079434Courtesy of MERCEDES-BENZ USA
Fig 2: Identifying Record Plug (129 589 00 91 00)
G11065549Courtesy of MERCEDES-BENZ USA
REPAIR MATERIALS

Number Designation Order number
BR00.45-Z-1028-04A Assembly cleaner A 000 986 56 01