Odd noise on my Benz...

[PGT]

noticed this tonight after the car was parked for a few hours. Just after, you can hear capacitors...like the sound of shock paddles.

What gives?? The voltage regulator was replaced in February, under warranty.

http://www.youtube.com/watch?v=iDkd5uTNtI4[/video]

[Sabre]

lol, sounds like a band saw to me!

Seriously though, is that a DI engine? If so, my first thought is that is it priming the fuel system (since they run such high fuel pressures)... past that, I have no clue

[PGT]

but, its turned off and had been for four hours. its not supposed to do anything

it seriously is a capacitor discharge noise. I'm thinking coilpack

[Sabre]

Oh, for some odd reason I thought it was when the key was turned... lol, sorry, guess I was just tired.

That is REALLY odd. Definitely call MB! There is no way a coil pack should be getting charged with the key not in the ignition!

[complacent]

that is frigging weird!

[thermobox]

Airmatic system equalizing?

[Raven]

And this is why I refuse to buy any modern German cars.

[PGT]

Airmatic system equalizing?

might be a viable answer if this car had that system; it does not. active suspension instead.

as for "modern German" car....well, at least the dealer fixes things under warranty and the first time in (unlike 95% of Subaru dealers).