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Home >> Mercedes Benz >> 2016 >> C350e >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling System - 205 Chassis >> Testing & Repair >> Remove/Install Fan Unit - AR20.40-P-5050LWB

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

Engine 274.9, 276.8, 651 in model 205 

Shown on engine 651 

G13023074Courtesy of MERCEDES-BENZ USA
G13023075Courtesy of MERCEDES-BENZ USA

Shown on engine 651 

WARNING Risk of injury  due to fan starting unexpectedly Do not reach into the rotation or hazard area of the fan. Wear closed and close-fitting work clothes. AS20.40-Z-0001-01A 
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.  Moving parts can pinch, crush or, in extreme cases even sever extremities. No parts of the body or limbs should be within the operating area of mechanical components when moving components. AS00.00-Z-0009-01A
  Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
REMOVINGINSTALLING Remove/install     
1 Switch off ignition and store transmitter key outside of transmitter range (min. 2 m).    
2 Remove engine cover (1).    
3 Remove right engine compartment cover. Engine 274.9 in model 205.047/147/247  
4 Remove engine air intake duct upstream of air filter (2).    
5 Remove engine air intake duct downstream of air filter. Engine 651 in model 205 AR09.10-P-8130OLD
6 Remove cable for the hood catch from the cold air intake (3).    
7 Remove cold air intake (3) from reinforcement (4).    
8 Loosen front bumper. IMPORTANT Remove screws (5 pcs.) of the front bumper from the top basic carrier and release front bumper in the top area. AR88.20-P-2000LW
9 Remove reinforcement (4).   AR62.30-P-1570LW
10 Remove oil cooler for the automatic transmission from the fan unit (5) and place to one side with connected lines. Transmission 724.2 in model 205 with engine 274.9
Transmission 724.2 in model 205 with engine 651
AR27.55-P-1000RFH
    Transmission 722.9 in model 205 with engine 274.9
Transmission 722.9 in model 205 with engine 276.8
Transmission 722.9 in model 205 with engine 651
AR27.55-P-1000LW
    Engine 274.9 in model 205 with transmission 725.0
Engine 276.8 in model 205 with transmission 725.0
Engine 651 in model 205 with transmission 725.0
AR27.55-P-1000LWX
11 Unclip coolant hose from fan unit (5). Engine 274.9 in model 205.047/147/247  
12 Unclip switchover valve with mounting plate from cooler and place to one side with connected lines. Engine 274.9 in model 205.047/053/054/147/247/253  
13 Unclip retaining lugs (6) of the top air duct segment (7) from the fan unit (5) and place to one side.    
14 Disconnect electrical connector (8) from the fan unit (5). INSTALLATION IMPORTANT : Make sure that electrical connector (8) engages properly.  
15 Disconnect electrical connector of the radiator shutters actuator motor from the fan unit (5). Engine 274.9 in model 205 (except 205.047/053/054/147/247/253)  
16 Remove front and center section of lower engine compartment linings.   AR61.20-P-1105LW
17 Clip bottom air duct segment (11) out of both release tabs (10) of the fan unit (5) and bend downward at hinge function.    
18 Lower vehicle.    
19 Unhook fan unit (5) from cooler mounts and remove upward. NOTES
Do not damage coolant hoses.
Leaks can occur otherwise.
INSTALLATION IMPORTANT : Check for correct seating of the formings (9) in the cooler mount.
IMPORTANT Helper required.
 
20 Install in the reverse order.