Door lock chirp
#1
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S500, LEXUS GS 350 FSPORT, LEXUS CT 200H
Door lock chirp
I am searching if there should be a sound when i press lock. I have an 04 s500 and all that happens is that the lights flash. Can this be reset to here a chirp or sound? Thanks
#3
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2005 S500 4-Matic, 1978 450SL
Default mode with the original alarm is no chirp. Some folks who have replaced the alarm unit when its battery failed report that it chirps after replacement.
#5
Senior Member
I love how my e350 honks the horn when I lock the doors. I wish there is an option to make the s class honk the horn or something when I lock the door, because the lock actuators are so quiet and the lights can't really be seen clearly in the daytime.
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#8
Senior Member
Sparky, was your siren from the dealer OEM? Or was it an aftermarket unit. I can't wait for my siren to fail, its been 12 years.
#9
I replaced the original siren about 2 years ago due to battery drain.
Its a common problem when the internal horn sirens back up battery breaks down and leaks, thus creating a short circuit condition that can drain the cars main battery over night.
I remember that the original unit has been upgraded, and has a new Mercedes part number for the siren which also emits a chirp when arming disarming with the vehicle along with flashing indicators.
The old unit (before it failed) just flashed the indicators with no chirp.