alarm ecu

Hi, on my 1998 SL500 I'm having problems with the alarm. Last Sunday I unlocked with the remote, opened door, climbed in, but when I started the engine the alarm went off. Yesterday after setting the alarm with all doors/windows/bonnet/boot/hood closed the siren started beeping (less than one...

Hello, I have a 1995 W124 which has the remote cental locking with alarm and the green & red LED's on the drivers door and boot. I just wanted to know is the alarm connected to the ECU of the car that runs the engines ignition system or is it the other ECU that sits next to it? I need to know...