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Remove/install fan unit - AR20.40-P-5050CW

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ENGINES 156, 271, 272, 276, 642, 646, 651 in MODEL 204 

ENGINES 271, 272, 273, 276, 278, 642, 651 in MODEL 207 

Shows model 204.041 

Fig 1: Identifying Fan Unit Remove/Install Components (1 Of 2)
G07539597Courtesy of MERCEDES-BENZ USA

Shows model 204.041 

Fig 2: Identifying Fan Unit Remove/Install Components (2 Of 2)
G07539598Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
1 Open engine hood and raise to vertical position Model 204
Model 207		 AR88.40-P-1000EW
2.1 Remove engine air intake duct (2) Engines 271.9, 646, 651  
2.2 Remove air guide between air filter housing and turbocharger Engine 271.8  
2.3 Remove front engine cover and engine intake air ducts upstream of air filter housing Engines 156, 272, 273, 276  
2.4 Remove engine cover and engine intake air ducts upstream of air filter housing Engine 642
IMPORTANTInstallation  : Ignition switched off.		  
3 Remove cold air intake (1) IMPORTANT Pull unlocking catch (16) (arrow A) and press unlocking catch (15) (arrow A).
IMPORTANT Model 204.9:
Unclip rubber seal in the area of middle reinforcement (6) and set aside.		  
4 Remove radiator grille Model 204 with engine 156 AR88.40-P-4001CW
5 Remove covers (3) for lamp units Except model 207 with engine 272, 642
IMPORTANT Only if fitted.		  
6 Remove holder (4) to radiator Except model 207 with engine 272, 642  
7 Remove bolts (5, 7, 8) and remove middle reinforcement (6) Except model 207 with engine 272, 642
TORQUE SPECIFICATION		 *BA62.30-P-1003-02G 
    TORQUE SPECIFICATION *BA62.30-P-1004-02G 
8 Unclip retaining lug (12) for upper air ducting (11) from fan unit (10)    
9 Remove engine compartment paneling Model series 204 with series 156 engine, model series 207 with series 278 engine AR61.20-P-1105EW
10 Disconnect electrical connector (9) on fan unit (10)    
11 Unclip electrical wiring harness on fan unit (10) and place to one side IMPORTANTInstallation:  Install new cable ties.  
12 Detach vacuum hose from the radiator shutters adjuster IMPORTANT Only if fitted.  
13 Disconnect electrical connector at the radiator shutters adjuster IMPORTANT Only if fitted.  
14 Remove coolant line holder from the front cover on left cylinder head Model 207 with engine 273  
15 Press unlocking fishplates (14) apart (arrows) and unclip lower air ductings (13) on the left and right from the fan unit (10)    
16 Remove bolt for transmission oil cooling lines to fan unit (10) Vehicles with automatic transmission  
17 Unhook fan unit (10) from radiator mount and pull out upwards    
18 Install in the reverse order    
FRONT END ASSEMBLY WITH FRONT REINFORCEMENT

Number Designation   Model 204 Model 207.3
BA62.30-P-1003-02G Bolt for attaching striker Nm 10 10
BA62.30-P-1004-02G Bolt, outer reinforcement to fender bracket Nm 10 10
FRONT END ASSEMBLY WITH FRONT REINFORCEMENT

Number Designation   Model 207.4
BA62.30-P-1003-02G Bolt for attaching striker Nm 10
BA62.30-P-1004-02G Bolt, outer reinforcement to fender bracket Nm 10
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