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Home >> Mercedes Benz >> 2021 >> Metris Van Cargo >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Electrical System -- Body (2 Of 6) -- 447 Chassis >> Testing & Repair >> Remove/Install Fan For Headlamp Unit - AR82.10-S-4742E

Remove/Install Fan For Headlamp Unit - AR82.10-S-4742E

Model 447, 448 

Fig 1: Fan For Headlamp Unit Components Location - Model 447
G16488452Courtesy of MERCEDES-BENZ USA

Shown on front left lamp unit (1) 

Notice  Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
REMOVING Remove     
1 Remove front lamp unit (1)   AR82.10-S-4730E 
CAUTION Risk of injury  caused by burns to skin and eyes, risk of poisoning caused by inhaling vapors when working with plastics Wear protective gloves and safety glasses. Ensure that the work area is adequately ventilated. AS00.00-Z-0001-02A
2.1 Use hot knife to cut open housing (1.1) on front lamp unit (1) within the groove (arrow A) If cap (1.2) is not installed.  
REFER TO SPECIAL TOOLS 000 588 14 84 00 Hot knife NOTES Cut open the housing (1.1) so that the web (arrow B) is not damaged. Leaks can occur otherwise.
NOTES Carefully cut open the housing (1.1). Otherwise, component parts in the front lamp unit (1) may be damaged.
IMPORTANT The web (arrow B) on housing (1.1) serves as the sealing surface for the cap (1.2).
WS82.00-P-0048B
2.2 Unscrew bolts (2) and remove cap (1.2) If cap (1.2) is installed.  
3 Deburr cut surface on front lamp unit (1) If necessary, after cutting open housing (1.1).
NOTES Make sure there are no plastic cuttings in the front lamp unit (1).
Soiling in the front lamp unit (1) may cause malfunctions.
 
4 Remove screws/bolts (5)    
5 Remove fan (4) far enough from front lamp unit (1) to gain access to the electrical connector (3)    
6 Disconnect electrical connector (3) and remove fan (4)    
INSTALLING Install     
7 Connect electrical connector (3) to fan (4)    
8 Insert fan (4) into front lamp unit (1) IMPORTANT The installation position of the fan (4) is defined by the hole pattern on the fan support (4).  
9 Screw bolts (5) tight    
10 Insert seal (1.3) with inscription facing upwards into the cap (1.2) For first time installation of cap (1.2).
IMPORTANT Note marking (arrow C) on cap (1.2): "L" for left front lamp unit (1), "R" for right front lamp unit (1).
 
11 Position cap (1.2) on front lamp unit (1) and tighten bolts (2)    
12 Install front lamp unit (1)   AR82.10-S-4730E