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

Pls help to clarify if this is a missing part (photo inside)?

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Old Jan 10, 2012 | 01:03 PM
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R-500 2006
Pls help to clarify if this is a missing part (photo inside)?

Hi everybody,

Recently I've bought R-500 MY06 and I'm very happy with it :-) Everything is fine, but when I opened the hood to add 1 liter of oil (after polite request from the car :-), I've discovered strange "place" in the engine bay, it is circled on the photo. It looks like something is supposed to be there, at least it looks like fitting for some missing part...

Please help me to identify, what is that, and if I need to add it there.

Many thanx in advance :-)
Attached Thumbnails Pls help to clarify if this is a missing part (photo inside)?-photo.jpg  
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Old Jan 10, 2012 | 01:45 PM
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2011 GL450, '06 R500 traded, '08 ML350 sold
Nope. It looks good.
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Old Jan 10, 2012 | 02:59 PM
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R-500 2006
Originally Posted by aggst1
Nope. It looks good.
Wow, that was fast so this is "as designed"

Thank you very much!
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Old Jan 13, 2012 | 10:37 PM
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2006 R500 Red w/Tan interior
That area is for some electronic thing for the diesel version of the car I believe. I have a 2006 R500 and it looks the same way
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Old Jan 13, 2012 | 10:37 PM
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2006 R500 Red w/Tan interior
By the way my R500 drinks about 1 qt of oil every 3000 miles, dealer stated consumption was within normal tolerances
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Old Jan 14, 2012 | 02:14 AM
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R-500 2006
Originally Posted by rgood10921
By the way my R500 drinks about 1 qt of oil every 3000 miles, dealer stated consumption was within normal tolerances
Thanx for the info on missing part as for the oil - my R500 asks for adding 1 liter of oil every 1000 kilometers, and my mechanic says it's OK, as the car has 130,000 km now.
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Old Jan 21, 2012 | 11:04 AM
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Yikes, 1 liter per 1000 kilometers is not OK. I have always heard 1000 miles is the minimum.
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Old Jan 23, 2012 | 07:27 AM
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2005 E320 CDI (sold); 2007 R320 CDI (sold); 2008 ML320 CDI; 2014 ML350 Bluetec
Originally Posted by vorozhbyt
Thanx for the info on missing part as for the oil - my R500 asks for adding 1 liter of oil every 1000 kilometers, and my mechanic says it's OK, as the car has 130,000 km now.
Check for intake turbo seal ...I got similar answer (it's normal ) until I spent more time and found about above problem. When you have a problem with seal, you cannot see any leak due to oil is burning around turbo ...

my 0.02 ...
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Old Jan 23, 2012 | 07:29 AM
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R-500 2006
Thank you, will do it asap!
Originally Posted by zemun1234
Check for intake turbo seal ...I got similar answer (it's normal ) until I spent more time and found about above problem. When you have a problem with seal, you cannot see any leak due to oil is burning around turbo ...

my 0.02 ...
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Old Jan 23, 2012 | 07:31 AM
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R-500 2006
Thanx! Will check it again to make sure the engine is OK.
Originally Posted by gforaker
Yikes, 1 liter per 1000 kilometers is not OK. I have always heard 1000 miles is the minimum.
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