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Strange bird/bug singing noise from dash

937 views 2 replies 3 participants last post by  tcp_ML500 
#1 ·
Hi,

Once a while in the pass 3 years, while driving my 99 ML320 generates bird/bug singing noise from dash. It happen once, even right after engine was turn off, the noise still last for few seconds. Most of time, it went away after few minutes each time. I believe it could be caused by some type of vacuum leak. The car still under extend warrenty. Can any one help?

Thanks in advance,

J.G.
 
#3 ·
Swizzles is right on, but it is accessible not under the dash, but in

the engine compartment.

Most of us have experienced this one, the infamous ebox cooling fan...

Check this out, courtesy Kenyee, by way of mickey.1430 when I experienced the problem...

goto
http://www.keysolutions.com/M-Class.nsf
and click on 'problems' in the left sidebar.
Near the top is an entry 'dirty ebox fan' which has detailed instructions.

FYI, a new fan is around $100.
 
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