Remove/Install Global Positioning System (GPS) Antenna - AR82.85-P-0002FR

Model 257, 290 

with code 270 (Aerial for GPS) 

Courtesy of MERCEDES-BENZ USA

Shown on model 257.### 1# 

Fig 1: Global Positioning System (GPS) Antenna Component Location - Model 257 With Code 270

Courtesy of MERCEDES-BENZ USA

Topical note	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
	Remove/install
1.1	Remove left outside mirror (M21/1).	Model 257.### 1#, 290.### 1# with code 270 (Aerial for GPS)	AR88.70-P-9000FR
1.2	Remove right outside mirror.	Model 257.### 2#, 290.### 2# with code 270 (Aerial for GPS)	AR88.70-P-9000FR
2.1	Remove trim at left outside mirror (M21/1).	Model 257.### 1#, 290.### 1# with code 270 (Aerial for GPS)	AR88.70-P-9040FR
2.2	Remove trim at right outside mirror.	Model 257.### 2#, 290.### 2# with code 270 (Aerial for GPS)	AR88.70-P-9040FR
3	Release telephone antenna and place to one side with line attached.	Model 257, 290 with code 270 (Aerial for GPS) with code 274 (Telephone antenna)	AR82.62-P-0011FR
4	Remove retainer (2) at plug housing (1) of electric line of GPS antenna (A2/23) using a suitable screwdriver (3) (arrow A).
5	Release plug housing (1) (arrow B) and remove (arrow C).
6	Unscrew screw (4).
7	Pull electric line of GPS antenna (A2/23) out of grommet (5) and left outside mirror (M21/1) or right outside mirror.	Check for correct routing of lines (arrow F).
8	Turn GPS antenna (A2/23) (arrow D) and remove (arrow E).
9	Install in the reverse order.