Originally Posted by S-Class Guru

Guys, great thread.
But I still have some confusion/concerns about the alarm (old-timer's disease).

- Costanza had no alarm, so no issue for him.
- Crhenkel said the alarm will not be an issue, as long as the unit fires the
driver door unlock, the alarm will be disarmed.
- But Dacanes said he hooked a signal to the alarm to get it to disarm.
(what year/model was his car?)

It seems pretty clear that any vacuum system will need the DLS-V relays.

But, am I "alarm-safe" installing Contanza's system in a '91 126 with the vacuum system that unlocks all doors from the trunk?

Thanks a lot,
DG