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Remove/Install Front Led Matrix Headlamp Unit Control Unit - AR82.10-P-2025MFA

Model 118, 177, 247 with code 640 (SAE dynamic LED headlamps, right-hand traffic) 

Model 118, 177, 247 with code 641 (Dynamic LED headlamps, left-hand traffic) 

Model 118, 177, 247 with code 642 (Dynamic LED headlamps, right-hand traffic) 

MODIFICATION NOTES

03.12.2019 Remove left front lamp unit (E1) and/or right front lamp unit (E2). Operation step 1.  

Shown on model 177.0 with code 642 (Dynamic right-hand traffic LED headlamp) 

G14689886Courtesy of MERCEDES-BENZ USA

Shown on model 247.0 with code 642 (Dynamic right-hand traffic LED headlamp) 

Fig 1: Front Led Matrix Headlamp Unit Control Unit Components Location - Model 247 With Code 640; 641; 642 (Shown On Model 247.0 With Code 642)
G14689887Courtesy of MERCEDES-BENZ USA
G14689888Courtesy of MERCEDES-BENZ USA

Shown on model 177.0 with code 642 (Dynamic right-hand traffic LED headlamp) 

Topical note  Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
REMOVINGINSTALLING Remove/install     
1 Remove left front lamp unit (E1) and/or right front lamp unit (E2). Model 118, 247.0 with code 640 (SAE dynamic LED headlamps right-hand traffic)
Model 118, 247.0 with code 641 (Dynamic LED headlamps, left-hand traffic)
Model 118, 247.0 with code 642 (Dynamic LED headlamps, right-hand traffic)
 
      AR82.10-P-4733MFA 
2.1 Remove left fender liner at front. Model 177, 247.6/7 with code 640 (SAE dynamic LED headlamps right-hand traffic)
Model 177, 247.6/7 with code 641 (Dynamic LED headlamps, left-hand traffic)
Model 177, 247.6/7 with code 642 (Dynamic LED headlamps, right-hand traffic)
When removing the left front LED matrix lamp unit control unit (E1n11).
 
      AR88.10-P-1301MFA
2.2 Loosen right fender liner at front until the right front LED matrix lamp unit control unit (E2n11 is accessible. Model 177, 247.6/7) with code 640 (SAE dynamic LED headlamps right-hand traffic)
Model 177, 247.6/7 with code 641 (Dynamic LED headlamps, left-hand traffic) Model 177, 247.6/7 with code 642 (Dynamic LED headlamps, right-hand traffic)
When removing the right front LED matrix lamp unit control unit (E2n11).
 
      AR88.10-P-1301MFA
3 Remove windshield washer system washer fluid reservoir (2) until the left front LED matrix lamp unit control unit (E1n11) is accessible and secure windshield washer system washer fluid reservoir (2) against falling down. Model 177, 247.6/7 with engine 260, 282, 608, 654 with code 640 (SAE dynamic LED headlamps right-hand traffic)
Model 177, 247.6/7 with engine 260, 282, 608, 654
with code 641 (Dynamic LED headlamps, left-hand traffic)
Model 177, 247.6/7 with engine 260, 282, 608, 654
with code 642 (Dynamic LED headlamps, right-hand traffic)
When removing the left front LED matrix lamp unit control unit (E1n11).
 
    IMPORTANT Aid of helper required. AR82.35-P-6000MFA 
4 Remove screws from left front LED matrix lamp unit control unit (E1n11) or right front LED matrix lamp unit control unit (E2n11).    
5 Remove left front LED matrix lamp unit control unit (E1n11) or right front LED matrix lamp unit control unit (E2n11) until the electrical connectors are accessible. INSTALLATION IMPORTANT Ensure gasket is correctly installed.  
6 Release and disconnect electrical connectors.    
7 Install in the reverse order.    
8 Commission front left LED matrix lamp unit control unit (E1n11) or front right LED matrix lamp unit control unit (E2n11). When replacing left front LED matrix lamp unit control unit (E1n11) or right front LED matrix lamp unit control unit (E2n11).  
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-06MFA
    SPECIAL TOOL 2D Hand scanner Fig 2
Fig 2: Identifying 2D Hand Scanner (000 589 08 63 00)
G14689889Courtesy of MERCEDES-BENZ USA