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Home >> Mercedes Benz >> 2016 >> CLS550 Base >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Electrical System - Body - 218 Chassis - 3 Of 5 >> Testing & Repair >> Remove/install headlamp control unit - AR82.10-P-4660EL

Remove/install headlamp control unit - AR82.10-P-4660EL

MODEL 218 as of model year 2015 with CODE 631 (LED high-performance headlamps) 

MODEL 218 as of model year 2015 with CODE 632 (Headlamps, LED, static, right-side traffic) 

MODEL 218 as of model year 2015 with CODE 640 (Full LED USA incl. ACTIVE MULTIBEAM LED) 

MODEL 218 as of model year 2015 with CODE 641 (Headlamps, LED, dynamic, left-side traffic) 

MODEL 218 as of model year 2015 with CODE 642 (Headlamps, LED, dynamic, right-side traffic) 

MODEL 218 up to model year 2015 with CODE 621 (Intelligent Light System (left-hand traffic)) 

MODEL 218 up to model year 2015 with CODE 622 (Intelligent Light System) 

Up to model year 2015, shown on left front lamp unit (E1) 

Fig 1: Identifying Headlamp Control Unit Remove/Install Components
G10004554Courtesy of MERCEDES-BENZ USA

As of model year 2015, shown on left front lamp unit (E1) 

Fig 2: Identifying Headlamp Control Unit Remove/Install Components
G10004555NOTESREMOVINGINSTALLINGREFER TO SELF-DIAGNOSTIC SYSTEMSINSTALLATION IMPORTANTIMPORTANTIMPORTANTINSTALLATION IMPORTANTCourtesy of MERCEDES-BENZ USA
NOTES Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
REMOVINGINSTALLING Remove/install     
1 Perform initial startup of left headlamp control unit (E1n9) or right headlamp control unit (E2n9) When replacing left headlamp control unit (E1n9) or right headlamp control unit (E2n9).  
REFER TO SELF-DIAGNOSTIC SYSTEMS AD00.00-P-2000-04A
INSTALLATION IMPORTANT Note character string of "LAM number" or "DataMatrix CODE" on left front lamp unit (E1) or right front lamp unit (E2).
2.1 Switch off ignition and remove transmitter key from electronic ignition lock control unit MODEL 218 except CODE 889 (KEYLESS-GO)  
2.2 Switch off ignition and remove transmitter key or KEYLESS-GO start/stop button from electronic ignition lock control unit MODEL 218 with CODE 889 (KEYLESS-GO)  
3.1 Remove left front lamp unit (E1) or right front lamp unit (E2) MODEL 218
up to model year 2015
with CODE 621 (Intelligent Light System (left-hand traffic))
MODEL 218
up to model year 2015
with CODE 622 (Intelligent Light System)
 
AR82.10-P-4730EL 
3.2 Remove fender liner front section from left or right front fender MODEL 218
as of model year 2015
with CODE 631 (LED high-performance headlamps)
MODEL 218
as of model year 2015
with CODE 632 (Headlamps, LED, static, right-side traffic)
MODEL 218
as of model year 2015
with CODE 640 (Full LED USA incl. ACTIVE MULTIBEAM LED)
MODEL 218
as of model year 2015
with CODE 641 (Headlamps, LED, dynamic, left-side traffic)
MODEL 218
as of model year 2015
with CODE 642 (Headlamps, LED, dynamic, right-side traffic)
 
AR88.10-P-1300ELX
4 Remove screws/bolts from left headlamp control unit (E1n9) or on the right headlamp control unit (E2n9) IMPORTANT The left headlamp control unit (E1n9) or the right headlamp control unit (E2n9) is fastened using four screws/bolts.  
5 Remove left headlamp control unit (E1n9) or right headlamp control unit (E2n9) far enough from the left front lamp unit (E1) or the right front lamp unit (E2) until the electrical connections are accessible MODEL 218
as of model year 2015
with CODE 631 (LED high-performance headlamps)
MODEL 218
as of model year 2015
with CODE 632 (Headlamps, LED, static, right-side traffic)
MODEL 218
as of model year 2015
with CODE 640 (Full LED USA incl. ACTIVE MULTIBEAM LED)
MODEL 218
as of model year 2015
with CODE 641 (Headlamps, LED, dynamic, left-side traffic)
MODEL 218
as of model year 2015
with CODE 642 (Headlamps, LED, dynamic, right-side traffic)
 
6.1 Detach left headlamp control unit (E1n9) or right headlamp control unit (E2n9) from left front lamp unit (E1) or right front lamp unit (E2) MODEL 218
up to model year 2015
with CODE 621 (Intelligent Light System (left-hand traffic))
MODEL 218
up to model year 2015
with CODE 622 (Intelligent Light System)
IMPORTANT The electrical connection on the left headlamp control unit (E1n9) or right headlamp control unit (E2n9) is automatically separated when detached.
INSTALLATION IMPORTANT Connect electrical connector. Check for correct seating of seal when doing so.
 
6.2 Disconnect electrical connectors and remove left headlamp control unit (E1n9) or right headlamp control unit (E2n9) MODEL 218
as of model year 2015
with CODE 631 (LED high-performance headlamps)
MODEL 218
as of model year 2015
with CODE 632 (Headlamps, LED, static, right-side traffic)
MODEL 218
as of model year 2015
with CODE 640 (Full LED USA incl. ACTIVE MULTIBEAM LED)
MODEL 218
as of model year 2015
with CODE 641 (Headlamps, LED, dynamic, left-side traffic)
MODEL 218
as of model year 2015
with CODE 642 (Headlamps, LED, dynamic, right-side traffic)
 
7 Install in the reverse order