Did they(dealer) connect a scanner & talk to the PSE/central locking control unit? That is what controls the alarm system. The window switch IS also a computer & is on a NETWORK with all of the interior componets(ECU's) along with the PSE pump!
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MERCEDES Benz Master Guild Technician (6 TIMES)
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190E 2.3 16V ITS SCCA race car (sold)
1986 190E 2.3 16V 2.5 (sold)
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