Remove/install radio antenna amplifier - AR82.62-P-8301RT

MODEL 251 

Fig 1: Identifying Radio Antenna Amplifier Remove/Install Components

Courtesy of MERCEDES-BENZ USA

	Remove/install
	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
1	Switch off ignition and remove transmitter key from EIS control unit	On vehicles with Keyless Go, code 889: Press Keyless Go start/stop button repeatedly until the ignition is switched off. Remove transmitter key from vehicle and store it in a location beyond its transmission range (at least 2 m).
2	Remove rear-end door lining (1)		AR72.20-P-3520RT
3	Separate electrical connectors (2)
4	Unscrew nut (3)
5	Remove FM rear window antenna amplifier (A2/19)	Ensure correct seating of guide on FM rear window antenna amplifier (A2/19) in the corresponding opening in the rear-end door.
6	Install in the reverse order