I could not find discussions on the Tele Aid antenna most MBZ come with over the last decade or so. I have not researched this but I think that is the antenna that is located on the roof of the car, and it is essentially a cell phone that can do the following -

-Receive information
-Send information

Implications

-Tracking everywhere you go
-Collecting data on how fast you drive and your driving habits.
-If interfaced with the car's computer - having the ability to record conversations in your own car.
-Exposing you to possibly escessive EMF radiation
-Possibly allows remote changes to your cars computer remotely via a back door. These changes can cause anything like non running car, settings that damage the engine faster or cause it to consume more/less fuel. In other words changes made without your consent or knowledge.
- I am sure there are many, many, many other implications of this system, almost all of them bad.

Good to know that MBZ has likely been tracking hundreds of thousands of drivers without their knowledge or conscent for at least a decade now.

F. That. How can this thing be disabled? I imagine a person could unscrew the cover, cram a 1lb of aluminum foil inside then put the cover back on. I would rather just disable it it though. Has anyone done this?

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1996 E320
2000 C230 Kompressor
1988 190e 2.3 - 225K miles, owned for 7 years. I cannot say enough good things about this car. Very well built, even at 225 it ran like new.