Carson,

I have a similar question:

Is the 126 820 11 11 a similar part of the alarm on my 92 SL?
If it is, would it be a sensor to determine if the hood has been opened, or would it be a "tow" sensor?

It is in the hood just by the Hinge on the driver's side (USA).

I am searching to see what would be causing my alarm to sound for no reason when I park the car in the sun...

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02 S500
92 500SL
92 400E (Sold)
87 300E (Sold)
83 300D Turbo (Sold)
75 300D (Sold)
74 240D (Sold after 20 years)