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Home >> Mercedes Benz >> 2021 >> CLS53 AMG >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Electrical System - Body - 257 Chassis 3 Of 8 >> Testing & Repair >> Remove/Install Fan For Headlamp Unit - AR82.10-P-4742FR

Remove/Install Fan For Headlamp Unit - AR82.10-P-4742FR

Model 257 

with code P35 (Light Package) 

Model 290 

Fig 1: Headlamp Unit Fan Component Location - Model 257 With Code P35
G14549545Courtesy of MERCEDES-BENZ USA

Shown on right front lamp unit, without cap 

Topical note Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
REMOVING Remove     
1 Remove front lamp unit.   AR82.10-P-4733FR 
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 Cut out housing (1) of lamp unit along imprinted broken line using the hot knife. If the cap is not installed.  
REFER TO SPECIAL TOOLS 000 588 03 84 00 Hot knife NOTES
Carefully cut out the housing (1).
Otherwise, the component parts in the housing (1) may be damaged.
WS82.00-P-0026B
2.2 Remove bolts from cap. If the cap is installed.  
3 Remove section of housing (1) or cap far enough until the lamp unit fan motor 1 (E1m4, E2m4) is accessible.    
4 Disconnect electrical connector (2) from lamp unit fan motor 1 (E1m4, E2m4).    
5 Unclip electrical wiring harness (3) (arrow A). SPECIAL TOOL Dismantling tool Fig 2
6 Release cover (4) from catch hook (arrows B), remove it then remove the lamp unit fan motor 1 (E1m4, E2m4).    
INSTALLING Install     
7 Insert lamp unit fan motor 1 (E1m4, E2m4) into cap and install the cover (4). NOTES
Make sure that the cover (4) latches properly into place.
Otherwise, the lamp unit fan motor 1 (E1m4, E2m4) may be damaged.
 
8 Clip electrical wiring harness (3) onto cap (arrow A).    
9 Connect electrical connector (2) to fan motor 1 of lamp unit (E1m4, E2m4).    
10 Position and tighten the cap.    
11 Install front lamp unit.   AR82.10-P-4733FR 
Fig 2: Identifying Dismantling Tool (000 589 95 63 00)
G12619044Courtesy of MERCEDES-BENZ USA