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Engine start up

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Old Jun 18, 2010 | 04:39 PM
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2008 Mercedes C300 W204
Engine start up

So I bought a used 08 C300 and the first few seconds after I start the car, the engine sounds a little rough and then the begins o get quiet. Has anyone else noticed this on the start up.

When I bought it, it was listed as a dealer car with 19k in mileage.
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Old Jun 18, 2010 | 05:51 PM
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2023 GLC 300 SUV, 2006 BMW Z4M Roadster, 2006 Lexus RX400h
My 2008 has done this from day one, this has been discussed already. Not to be mean but try search!
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Old Jun 18, 2010 | 06:09 PM
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Its not mean, Just a nice welcome to club!
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Old Jun 18, 2010 | 07:31 PM
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'08 C300 Lux Barolo Red Beige Leather P2 MM 18" wheels '84 944
Noises

Originally Posted by jeffyzf
So I bought a used 08 C300 and the first few seconds after I start the car, the engine sounds a little rough and then the begins o get quiet. Has anyone else noticed this on the start up.

When I bought it, it was listed as a dealer car with 19k in mileage.
Do you mean knock-knock-knock-knock as oil pressure comes up?
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Old Jun 18, 2010 | 07:52 PM
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That's sounds right, its just a few seconds of what sounds like rough idle and then it disappears and smooth's out. I just wasn't sure if it was and enginge issue.
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Old Jun 18, 2010 | 08:39 PM
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Like this, which seems to be exactly what I was asking about. Thanks RLE for giving me the item to look up!

https://mbworld.org/forums/c-class-w...ine-noise.html
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Old Jun 19, 2010 | 07:32 PM
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'08 C300 Lux Barolo Red Beige Leather P2 MM 18" wheels '84 944
Knock knock.......

Originally Posted by jeffyzf
Like this, which seems to be exactly what I was asking about. Thanks RLE for giving me the item to look up!

https://mbworld.org/forums/c-class-w...ine-noise.html
Now that you have read all those posts (including mine) going back two years plus, you can see that the noise is more than common and has caused no problems that have been reported.

So, forget it.

BTW, mine still makes the noise on most starts at 21K miles.
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