1990 Mercedes-Benz 420SEL Questions

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Both rear windows work fine. Sun roof also not working.
1990 mercedes 420 sel have power to dist cap to rotor no spark at plugs
My alarm randomly goes off at any time. Mostly during the night.
What seems to make the problem better or worse? Nothing, just decides to go off by itself
How long have you had this problem? Probably 6 months
How do you open the hood on a 1986 Mercedes 420 sel
Start ok but then black smoke, no acceleration stalling
My battery keeps running down due to constant static coming from radio car doesn't need to be started nor does key need to be in the ignition and radio is able to be turned on is this normal? ????
The problem just started but I notice for a few years when I first accelerate, it would race while shifting, but I thought that was only normal. How can you help by offering a diagnosis.
I have replaced the climate control switches, a/c compressor, mono valve, thermostat, I need help and or cost for repairs
I know that the ezl module controls the advanceing and retarding of the ignition not able to adjust the timing
which rims are better alloy or chrome plated?
dashboard gauges not working
The economy needle has gone from black all the way to red.
The car is locked and also the trunk and front of the car. Even still the alarm goes of at random times when the car is locked. How can i fix this issue?
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