Is this a power antennae? There is a chrome nut that hold the base that you will need to unscrew. The base is in the trunk. You will need to unscrew the antennae line going to the radio and unplug your electrical connection. If the antennae is broken off at the upright position you can buy just the antennae and not the motor unit. If this is the older non-automatic type, you can find a replacement at any of the Mercedes-Benz aftermarket dealers. Check the prices at performanceproducts.com.
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