Within two days of one another my '86 300SDL and '87 560SEL, alarm systems have gone nuts. Same problem both cars. Doors locked, system operates, umlock either front door or trunk and the alarm sounds continuosly. Alarm system cannot seem to be disarmed. Only remedy is to remove the fuse, which renders several other systems non-functional. Any ideas as to what's going on?


'86 300SDL 202,000
'87 560SEL 126,000

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jcciem
'94 SL5000 60,000
'91 350SDL 545,000
'91 350SD 197,000
'00 E55 AMG 77,000