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Home >> Mercedes Benz >> 2017 >> B250 Base >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Electrical System - Body - 246 Chassis - 1 Of 2 >> Testing & Repair >> Remove/install bulbs of headlamp unit >> Remove/install bulbs of headlamp unit - AR82.10-P-1201NKD

Remove/install bulbs of headlamp unit - AR82.10-P-1201NKD

MODEL 117, 176, 242, 246 with CODE 621 (Intelligent Light System (left-hand traffic)) 

without CODE 614 (Bi-xenon headlamp unit) 

without CODE 615 (Bi-xenon headlamp unit) 

without CODE 618 (Bi-xenon headlamps) 

without CODE 622 (Intelligent Light System (right-hand traffic)) 

MODEL 117, 176, 242, 246 with CODE 622 (Intelligent Light System (right-hand traffic)) 

without CODE 614 (Bi-xenon headlamp unit) 

without CODE 615 (Bi-xenon headlamp unit) 

without CODE 618 (Bi-xenon headlamps) 

without CODE 621 (Intelligent Light System (left-hand traffic)) 

Fig 1: Identifying Headlamp Unit Bulbs Remove/Install Components
G10250618Courtesy of MERCEDES-BENZ USA

Shown on the left front lamp unit (E1) 

DANGER Risk of injury  due to fan starting unexpectedly Do not reach into the rotation or hazard area of the fan. Wear closed and close-fitting work clothes. AS20.40-Z-0001-01A
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
REMOVINGINSTALLING Remove/install     
1 Switch off exterior lights    
2 Switch off ignition and remove transmitter key from electronic ignition lock control unit    
3 Open service flap in front axle fender liner, left and/or right    
4 Detach housing cover (1) When removing left xenon bulb with integrated ignition module (E1e10) or right xenon bulb with integrated ignition module (E2e10).  
5 Detach housing cover (2) When removing left cornering light (E1e9) or right cornering light (E2e9).  
6 Remove left cornering lights (E1e9) or right cornering lights (E2e9) When removing left cornering light (E1e9) or right cornering light (E2e9).
NOTES
Do not touch bulbs of left cornering light (E1e9) or right cornering light (E2e9) with your bare fingers; use a soft cloth free of oil and grease.
Otherwise the bulb will be damaged by overheating.
IMPORTANT Turn cornering lights socket (4) approx. 30° counterclockwise and remove.
Pull left cornering lights (E1e9) or right cornering lights (E2e9) out of cornering light socket (4).
 
7 Remove left xenon bulb with integrated ignition module (E1e10) or right xenon bulb with integrated ignition module (E2e10) When removing left xenon bulb with integrated ignition module (E1e10) or right xenon bulb with integrated ignition module (E2e10).
NOTES
Do not touch bulbs of left xenon bulb with integrated ignition module (E1e10) or right xenon bulb with integrated ignition module (E2e10) with your bare fingers; use a soft cloth free of oil and grease.
Otherwise the bulb will be damaged by overheating.
NOTES
Carefully pull left xenon bulb with integrated ignition module (E1e10) or right xenon bulb with integrated ignition module (E2e10) out of reflector.
Otherwise there is a risk of breakage of the bulb.
IMPORTANT Disconnect electrical connector (3) and turn left xenon bulb with integrated ignition module (E1e10) or right xenon bulb with integrated ignition module (E2e10) approx. 30° counterclockwise.
 
8 Install in the reverse order