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Home >> Mercedes Benz >> 2013 >> GL63 >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Electrical System - Body - 166 Chassis - 2 Of 4 >> Testing & Repair >> Remove/Install Xenon Light Power Supply Module - AR82.10-P-4635GQ

Remove/Install Xenon Light Power Supply Module - AR82.10-P-4635GQ

MODEL 166 with CODE 615 (Bi-xenon headl. (LHD veh.) w. corn. function) 

MODEL 166 with CODE 621 (Intelligent Light System (left-hand traffic)) 

MODEL 166 with CODE 622 (Intelligent Light System (right-hand traffic)) 

Fig 1: Identifying Xenon Light Power Supply Module Remove/Install Components
G09983112Courtesy of MERCEDES-BENZ USA

Shown on the left front lamp unit 

DANGER Risk of death  due to high voltage in xenon headlamps. Risk of explosion/risk of fire  caused by highly flammable materials in the vicinity of damaged xenon bulbs. Risk of injury  caused by UV light, hot components at xenon headlamps and glass splinters produced by bursting xenon bulbs. Risk of poisoning  caused by inhalation of mercury vapors and by toxic salts and mercury compounds being ingested or coming into contact with skin Do not touch parts conducting high voltage. Persons with active electronic implants  (e.g. cardiac pacemakers) must never work on xenon headlamps. Switch off the entire lighting system. Wear insulated safety shoes, safety glasses and protective gloves. Remove highly inflammable materials from the hazard area. Ensure sufficient ventilation in the working area. AS82.10-Z-0001-01A
NOTES Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
REMOVINGINSTALLING Remove/install     
1 Carry out initial startup of left xenon light power supply module (E1n4) or right xenon light power supply module (E2n4) Only when replacing left xenon light power supply module (E1n4) or right xenon light power supply module (E2n4).  
REFER TO SELF-DIAGNOSTIC SYSTEMS Connect STAR DIAGNOSIS and read out fault memory AD00.00-P-2000-04A
2 Switch off ignition and remove transmitter key or KEYLESS-GO start/stop button from electronic ignition lock control unit    
3 Remove front section of fender liner in fender   AR88.10-P-1310GQ
4 Remove bolt (1)    
5 Remove left xenon light power supply module (E1n4) or right xenon light power supply module (E2n4) from lamp unit and disconnect electrical connector INSTALLATION IMPORTANT Ensure that seal (2) is seated correctly.  
6 Install in the reverse order