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

MODEL 211.2/6 with CODE (525) MB Audio 50 APS radio with CODE (526) COMAND (without navigation) with CODE (527) COMAND APS (with navigation) with CODE (528) HIGH Class USA

Shown on model 211.2

Fig 1: Identifying Radio Antenna Amplifier Components

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

MODIFICATION NOTES

15.1.04

"Disconnect/connect battery ground line" removed

	Remove/install
	Notes on avoiding damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
1.1	Remove paneling at top of rear-end door	Model 211.2	AR72.20-P-3520T
1.2	Remove existing paneling at rear-end door until the amplifier module 1, window antenna (A2/71) is accessible	Model 211.6 Whether paneling exists or what paneling versions are used depends on the vehicle equipment.
2	Open cable ties (3)	Installation: Replace cable ties (3).
3	Detach electrical connector (1, 2) on window antenna amplifier module 1 (A2/71)
4	Undo nut (4) and remove window antenna amplifier module 1 (A2/71)
5	Install in the reverse order