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Home >> Mercedes Benz >> 2017 >> E300 Base >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling System - 213 Chassis >> Testing & Repair >> Remove/Install Fan Unit >> Remove/Install Fan Unit - AR20.40-P-5050MSA

Remove/Install Fan Unit - AR20.40-P-5050MSA

Engine 256.9 in Model 213, 238, 257, 290 

Shown on Model 257 

Fig 1: Fan Unit Components Location - Engine 256.9 In Model 213 (Shown On Model 257)
G13745192Courtesy of MERCEDES-BENZ USA
G13745193Courtesy of MERCEDES-BENZ USA
CAUTION Risk of injury  caused by scraping or cutting body parts on sharp vehicle parts Always wear protective gloves when working on or near sharp and non-deburred vehicle parts.
Deburr repair panels.
AS00.00-Z-0017-01A
WARNING Risk of injury  to skin and eyes suffering scalding from contact with hot coolantspray. Risk of poisoning  from swallowing coolant. Do not open cooling system unless coolant temperature is below 90°C. Open cap slowly and release the pressure. Do not pour coolant into beverage containers.
Wear protective gloves, protective clothing and safety glasses.
AS20.00-Z-0001-01A 
  Notes on avoiding damage through contamination and foreign objects   AH00.00-P-5000-01A
  Notes on self-locking nuts and bolts   AH00.00-N-0001-01A
REMOVINGINSTALLING Remove/install     
1 Switch off ignition and store transmitter key outside of transmitter range (min.2 m).    
2 Remove upper engine cover (2).   AR01.10-P-2405MSA
3 Remove engine air intake duct (3).    
4 Remove cold air intake (4).    
5 Drill out rivets of supporting plates (9). Engine 256.9 in Model 257 IMPORTANTCommercially available devices/tools  drill riveter IMPORTANT Remove drilling chips.  
6 Remove supporting plates (9). TORQUE SPECIFICATION M6x1 *BA00.10-P-1002-04A 
7 Remove screws (5) and remove/crossmember (6). TORQUE SPECIFICATION Bolt, lock striker to cross member/front-module carrier *BA62.30-P-1008-01H 
TORQUE SPECIFICATION M6x1 *BA00.10-P-1002-04A 
TORQUE SPECIFICATION M8x1 *BA00.10-P-1004-04A 
8 Release and disconnect electrical connector from fan unit (1).    
9 Drain off coolant.   AR20.00-P-1142MSA 
10 Unclip bracket (7) from fan unit (1) and radiator and place to one side.    
11 Unclip coolant line (8) from fan unit (1).    
12 Remove upper cold air guide from fan unit (1).    
13 Remove bleed line from cooler and seal openings with suitable stop plugs. SPECIAL TOOL Record plug Fig 3
14 Remove coolant hose (10) from cooler and seal openings with protective covers.   AR20.20-P-7441-01RQ 
SPECIAL TOOL Set of protective covers Fig 2
15 Remove fan unit (1).    
16 Install in the reverse order.    
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
METRIC SCREWS/BOLTS AND NUTS AS PER MBN 10 105, 10 143

Number Designation 8.8 10.9
BA00.10-P-1004-04A M8x1 Nm 23 33
CROSS MEMBER AND FRONT REINFORCEMENT

Number Designation Model 213 Model 238
BA62.30-P-1008-01H Bolt, lock striker to cross member/front-module carrier Nm 10 10
CROSS MEMBER AND FRONT REINFORCEMENT

Number Designation Model 257 Model 290
BA62.30-P-1008-01H Bolt, lock striker to cross member/front-module carrier Nm 10 10
Fig 2: Identifying Set Of Protective Covers (001 589 01 91 00)
G12079431Courtesy of MERCEDES-BENZ USA
Fig 3: Identifying Record Plug (129 589 00 91 00)
G13745195Courtesy of MERCEDES-BENZ USA