R-Class (W251) Produced 2006-2013: R320CDI, R350, R420CDI, R500

How to enable alarm chirp

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Old Dec 4, 2010 | 12:42 AM
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vectorz's Avatar
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2005 clk320 cabriolet
How to enable alarm chirp

Both of my benz have never chirped when enabling alarm. How the heck does one enable the alarm chirp, when arming it?
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Old Dec 4, 2010 | 02:20 AM
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2008 R350 & 2008 C300
To my knowledge, none of the American made Benz's (R,ML,GL)have had alarms that chirp. The more recent German built cars (07+) seem to have different alarm systems and chirp when armed.
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Old Dec 4, 2010 | 02:48 PM
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2011 R350 BlueTec
The dealer said the same thing to me when I asked.

"Chilledbenz" is correct that there are different alarm systems.
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Old Dec 5, 2010 | 03:24 PM
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The door locks make a really loud CLUNK, which could be louder than a chirp.
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Old Dec 5, 2010 | 08:46 PM
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08 R350, 12 Mercedes R350
Originally Posted by lkchris
The door locks make a really loud CLUNK, which could be louder than a chirp.
Yes, I can hear all doors lock loud from outside besides all visual turn signal lights.
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Old Dec 6, 2010 | 08:39 AM
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Back in the day, the W203's (C-Class) could programmed via the Star Diag. to country code "Netherlands" which would enable "chirp". I don't know if any such programming exists today.
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