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Home >> Mercedes Benz >> 2021 >> A220 Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Wiper/Washer Systems >> Electrical System - Body - 177 Chassis (2 Of 4) >> Testing & Repair >> Remove/Install Overhead Control Panel Control Unit - AR82.20-P-1000MFA
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Remove/Install Overhead Control Panel Control Unit - AR82.20-P-1000MFA

Model 118, 177, 243, 247 

Fig 1: Overhead Control Panel Control Unit Components Location - Model 177
G15492357REMOVINGINSTALLINGREFER TO SELF-DIAGNOSTIC SYSTEMSNOTESIMPORTANTCourtesy of MERCEDES-BENZ USA
Topical note  Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
REMOVINGINSTALLING Remove/install     
1 Perform commissioning of overhead control panel control unit (N70). When replacing the overhead control panel control unit (N70).  
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-06MFA
2 Switch off ignition and store transmitter key outside of transmitter range (min. 2 m).    
3 Insert a plastic card or similar object (approx. 2 mm think) between the arrows and unclip the overhead control panel control unit (N70) from the bracket (1).    
4 Fold down overhead control panel control unit (N70) in direction of arrow far enough to gain access to the electrical connectors. NOTES
Do not crush or kink or subject electric lines to tension.
This will result in damage to the electric lines and can impair their function.
 
5 Release and disconnect electrical connectors from overhead control panel control unit (N70) IMPORTANT The number of electrical connectors varies according to vehicle equipment.  
6 Remove overhead control panel control unit (N70).    
7 Install in the reverse order.