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E350 2011 coupe 92000miles

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E350 2011 coupe 92000miles

 
Old 10-23-2016, 10:24 AM
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Mercedes E350 coupe 2011
E350 2011 coupe 92000miles

Tick tick tick at idle .Any ideas why? One mention fuel injectors.
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Old 10-24-2016, 09:13 AM
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All my cars are blown! '11 E350 Diesel P2 Sport; '03 SL55 AMG Pano
It could be the injectors. I can hear them on my C32. Could also be a lifter, or even the emissions vacuum valve for the fuel system. Please state your engine type so we can help better.

Get an engine stethoscope for listening to the car for about $10 on eBay. Then touch the tip to everything that might be making that noise. Injectors, rockers covers, bearings for the belt pulleys, etc. You should be able to track down the area, if not the item.

Let us know what you find.
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Old 10-24-2016, 04:31 PM
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Mercedes E350 coupe 2011
Engine is V6. Thanks for your help
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Old 10-26-2016, 10:12 AM
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2015 ML350
I hear this a lot on used 2012+ C and E-class I test drove. I thought it was normal.
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Old 10-26-2016, 10:19 AM
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2018 E400 Coupe, 2012 SLK350
2012+ use M276 6 cylinder engines with direct injection. There is a distinct diesel-like noise for those. The OP's 2011 uses I believe M272 which does not have direct injection, or the noise you thought was normal.
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Old 10-27-2016, 08:46 AM
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Mercedes E350 coupe 2011
M272 I'm looking into this- thanks
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