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Home >> Mercedes Benz >> 2023 >> GLS450 >> Repair and Diagnosis >> Electrical >> Body Electrical >> Electrical System - Body - 167 Chassis (2 Of 3) >> Testing & Repair >> Remove/Install Fan For Headlamp Unit - AR82.10-P-4742ME

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

Model 167 

Shown on headlamp With Code 640 (SAE dynamic LED headlamp, right-hand traffic), With Code 641 (Dynamic LED headlamp, left-hand traffic), With Code 642 (Dynamic LED headlamp, right-hand traffic) 

G14792120Courtesy of MERCEDES-BENZ USA

Shown on headlamp With Code 632 (Static LED headlamp, right-hand traffic) 

G14792121Courtesy of MERCEDES-BENZ USA

Shown on headlamp With Code 632 (Static LED headlamp, right-hand traffic) with cover (2) 

G14792122Courtesy of MERCEDES-BENZ USA
Topical note  Note on damage to lamp unit   AH82.10-P-0002-00LW
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 (E1 or E2) and lay down on suitable base.   AR82.10-P-4733ME 
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 housing (1) of front lamp unit (E1 or E2) along the embossing (arrows A) with the hot knife. Model 167 with code 632 (Headlamps, LED, static, right-side traffic)
If the cover (2) is not installed.
 
REFER TO SPECIAL TOOLS 000 588 03 84 00 Hot knife NOTES Avoid cutting too deep.
Otherwise electric lines will get damaged.
INSTALLATION IMPORTANT Order new cover (2).
WS82.00-P-0026B
2.2 Remove cover (2). Model 167 with code 632 (Headlamps, LED, static, right-side traffic)
If the cover (2) is installed.
 
2.3 Remove front LED matrix lamp unit control unit (E1n11 or E2n11). Model 167 with code 640 (SAE dynamic LED headlamps right-hand traffic)
Model 167 with code 641 (Dynamic LED headlamps, left-hand traffic)
Model 167 with code 642 (Dynamic LED headlamps, right-hand traffic)
AR82.10-P-2025ME 
3 Remove screws (3) and remove front lamp unit fan motor 1 (E1m4 or E2m4) from front lamp unit (E1 or E2) until the electrical connector (4) is accessible.    
4 Release and disconnect electrical connector (4) and guide front lamp unit fan motor 1 (E1m4 or E2m4) out of housing (1).    
INSTALLING Install     
5 Insert front lamp unit fan motor 1 (E1m4 or E2m4) into housing (1) and tighten screws (3).    
6 Connect electrical connector (4) to front lamp unit fan motor 1 (E1m4 or E2m4) and route wiring harness.    
7.1 Install cover (2). Model 167 with code 632 (Headlamps, LED, static, right-side traffic)  
7.2 Install front LED matrix lamp unit control unit Model 167 (E1n11 or E2n11). with code 640 (SAE dynamic LED headlamps right-hand traffic)
Model 167 with code 641 (Dynamic LED headlamps, left-hand traffic)
Model 167 with code 642 (Dynamic LED headlamps, right-hand traffic)
AR82.10-P-2025ME 
8 Install front lamp unit (E1 or E2).   AR82.10-P-4733ME