Sounds broke to me... could be the alarm system, could be the k38 starter lock out relay, could be the ignition switch or steering lock, could be the starter. Or it could be any of the connections inbetween. But if it isn't intermittant, your technician shouldn't have much trouble figuring it out.

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Steve Brotherton
Continental Imports
Gainesville FL
Bosch Master, ASE Master, L1
33 years MB technician