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Remove/Install KEYLESS-GO Antenna On Underbody - AR80.61-P-0016MFA

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Model 118, 177, 243, 247 

with code 889 (KEYLESS-GO) 

Shown on model 177.0 with code 889 (KEYLESS-GO) 

G16053253Courtesy 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 Switch off ignition and store transmitter key outside of transmitter range (min. 2 m).    
2 Remove left or right underfloor paneling. Model 118, 177, 247 with code 889 (KEYLESS-GO) AR61.30-P-1001MFA
    Model 243 with code 889 (KEYLESS-GO) AR61.30-P-1001EQA
3 Release and disconnect electrical connector (2) at left or right underbody KEYLESS-GO antenna (A2/38, A2/40).    
4 Remove nuts (1) from stud bolts and remove left or right underbody KEYLESS-GO antenna (A2/38, A2/40).    
5 Install in the reverse order.