Retrofitting global positioning system (GPS) antenna - AN82.61-P-7474-04H

Model 210.0 

1. Mark dimension (h = 100 mm) (from center high-mounted stop lamp) in center of rear shelf (in installed state) for antenna hole (21).
   Fig 1: Identifying Mark Dimension In Center Of Rear Shelf For Antenna Hole

   Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
2. Mark dimension x = 15 mm from antenna hole (21) for antenna cable hole (b).
3. Expand antenna hole (21) to 15 mm dia. with right angle drill.
4. Drill antenna cable hole (b) with 6 mm dia. bit.
5. Cut out antenna base plate (23) from sheet metal panel (approx. 1 mm thick) with size of approx. 100 cm² and adapt to antenna hole pattern.
   Fig 2: Drilling Antenna Cable Hole

   Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
6. Slide antenna base plate (23) below rear shelf from trunk.
7. Screw antenna (20) onto rear shelf together with antenna base plate (23).
8. Connect antenna extension wire (11) and glue connector (24) below rear shelf with felt (26).
   Fig 3: Connecting Antenna Extension Wire And Glue Connector

   Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
9. Route antenna extension wire (11) to navigation processor (A2/30) as shown in figure and fasten with felt strips (26).

   Tie back excessive length below rear shelf.

   Fig 4: Identifying Navigation Processor

   Courtesy of MERCEDES-BENZ OF NORTH AMERICA.