[Roberth6]

I ordered a new VAICO V30-4124 for my 2008 e350 4matic. I read where if you have a fair amount of oil in your intake that the PCV should be changed, Searched w211 PCV and this Vaico part came up.

It is nothing more than a housing with a hose port. Is there something else that makes up the PCV valve? In my day working at an auto parts store, PCV valves had a floating ball that acted as a check valve. I expected to see that in this part, but it is only a cover with a connection for a hose. Is this replacement part missing something?

 

[aquadump69]

Looks right to me. Here it is for $1.62 on Amazon.

 

[01blackhawk]

Here is a better one for you, just changed it yesterday on my 2011 E350, same engine.
Yes that’s the cover and also another part under the cover.
It is called Oil Drip Pan and there is the part number in my pics. I’d go with original parts, they are not that expensive.
Hope this helps.

 

[Witek_M]

It is an error in translation. Proper name of that part is centrifuge. Along with the cover it forms full load centrifugal oil separator.

 

[Roberth6]

Here is a better one for you, just changed it yesterday on my 2011 E350, same engine.
Yes that’s the cover and also another part under the cover.
It is called Oil Drip Pan and there is the part number in my pics. I’d go with original parts, they are not that expensive.
Hope this helps. View attachment 2803169 View attachment 2803170

THANK YOU!

 

[Witek_M]

This is an intro to M272 engine. Page 6 of 7 explains function of crankcase ventilation.

 

[tony1963tony]

Replacing the cover is almost always sufficient. Aftermarket ones are just fine.

 

[CetiAlpha5]

Replacing the cover is almost always sufficient. Aftermarket ones are just fine.

It's been mentioned in other threads that MB did update the cover part. The oil separator is cheap enough and it probably depends on how bad the old one is, easy enough to change them both out at the same time.

 

[tony1963tony]

Yes it is. I do not recall ever changing the centrifuge or oil separator. Plenty of covers got changed.

 

[CetiAlpha5]

Yes it is. I do not recall ever changing the centrifuge or oil separator. Plenty of covers got changed.

How many intake manifolds did you change?

 

[tony1963tony]

On the M112 and M113, probably 20 over 20 years. It was not a common item. I'd have to search the invoicing history to find out.

 

[CetiAlpha5]

On the M112 and M113, probably 20 over 20 years. It was not a common item. I'd have to search the invoicing history to find out.

How many intakes on the M272 engine? That part going is pretty common when oil gums up the flaps in the intake manifold.

 

[tony1963tony]

Very few. We didn't have a lot of failures with the M272 or M273. Being in Alabama, a hot climate, that probably helped things because I had nowhere near the issues that are commonly talked about in the forums.

On the M273 and M273, what I recall were the housing leaking oil in the rear and cam plugs. A few water pumps, a few coils, but basically a very solid engine.

 

[CetiAlpha5]

Very few. We didn't have a lot of failures with the M272 or M273. Being in Alabama, a hot climate, that probably helped things because I had nowhere near the issues that are commonly talked about in the forums.

On the M273 and M273, what I recall were the housing leaking oil in the rear and cam plugs. A few water pumps, a few coils, but basically a very solid engine.

You might not have had enough with enough mileage. Based on the reports on the forums the intake going seems to be from 80-140k or sometimes more. Probably changing the oil separator will get you closer to 140k than 80k.

 

[01blackhawk]

If you have a 272 or 73 under the hood, it’s not a matter of IF, it’s a question of WHEN!

 

[tony1963tony]

I believe that most were in the 60k to 120k mileage range. If they weren't clean we didn't buy them. As far as customer cars, I dont recall doing many of these.

 

[chriskbusch]

This is an intro to M272 engine. Page 6 of 7 explains function of crankcase ventilation.

Thank you very much for the diagram!