The antenna masts are easy to do.

Have someone turn it on and off to help. Search this site using "replacing antenna".

Here is a good one: My Antenna!

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'03 E320 Wagon-Sold
'95 E320 Wagon-Went to Ex
'93 190E 2.6-Wrecked
'91 300E-Went to Ex
'65 911 Coupe (#302580)