Antenna, Radio: Service and Repair
Satellite Tuner Antenna (R172)
Removing
- Switch off ignition, switch off all electrical consumers and remove ignition key.
- Remove the roof end strip and both C-pillar trim pieces.
- Lower the back of the headliner.
The satellite tuner antenna has 2 or 4 antenna wires, depending on the vehicle equipment level. These are mounted to the roof crossmember.
- Remove the foam pad - 5 -.
- Disconnect the connectors - 1 - through - 4 - and free up the antenna wires up to the satellite tuner antenna - 6 -.
- Remove the nut - 2 - (7 Nm) and then remove the satellite tuner antenna.
Installing
Install in reverse order of removal, noting the following:
- When inserting roof antenna, ensure gasket is properly seated. Both guide protrusions of gasket must be seated in the appropriate holes - arrows - in antenna base.
- When inserting roof antenna, make sure antenna wires - 1 - are routed correctly through the wire pass-through in the nut - 2 -.