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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 fan for lamp unit - AR82.10-P-4742NKB

Remove/install fan for lamp unit - AR82.10-P-4742NKB

MODEL 246 with CODE 631 (Headlamps, LED, static, left-hand traffic) 

MODEL 246 with CODE 632 (Headlamps, LED, static, right-side traffic) 

Fig 1: Identifying Lamp Unit Fan Remove/Install Components
G10250632NOTESREMOVINGDANGERREFER TO SPECIAL TOOLSNOTESNOTESIMPORTANTINSTALLINGIMPORTANTNOTESCourtesy of MERCEDES-BENZ USA
NOTES Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
REMOVING Remove     
1 Remove left front lamp unit (E1) or right front lamp unit (E2)   AR82.10-P-4730NKB 
DANGER 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 open housing of left front lamp unit (E1) or right front lamp unit (E2) inside bar (arrow A), along notch Cap (4) is not installed.  
REFER TO SPECIAL TOOLS 000 588 03 84 00 Hot knife   WS82.00-P-0026B
NOTES
Carefully cut open housing of left front lamp unit (E1) or right front lamp unit (E2).
Otherwise components in housing of left front lamp unit (E1) or right front lamp unit (E2) may be damaged.
NOTES
Do not damage bar (arrow A).
Otherwise housing of left front lamp unit (E1) or right front lamp unit (E2) may be leaky.
 
2.2 Remove cap (4) Cap (4) is installed.
IMPORTANT Start by removing screw/bolts (3).
 
3 Disconnect electrical connector (1)    
4 Loosen mounting clamp (2) and remove left front lamp unit fan motor 1 (E1m4) or right front lamp unit fan motor 1 (E2m4)    
INSTALLING Install     
5 Install left front lamp unit fan motor 1 (E1m4) or right front lamp unit fan motor 1 (E2m4) IMPORTANT Ensure that mounting clamp (2) is seated correctly.  
6 Connect electrical connector (1)    
7 Place cap (4) on opening in housing of left front lamp unit (E1) or right front lamp unit (E2) and screw in place with screws/bolts (3). NOTES
The cap (4) must be positioned exactly on the bar (arrow A).
Otherwise, the housing of the left front lamp unit (E1) or the right front lamp unit (E2) may start to leak.
 
8 Install left front lamp unit (E1) and right front lamp unit (E2)   AR82.10-P-4730NKB