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Kevin
Kevin, Master tech
Category: Mercedes
Satisfied Customers: 1427
Experience:  Diagnostic technician
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I have a 2011 Mercedes ML 350 Blutec. It is leaking oil from

Customer Question

I have a 2011 Mercedes ML 350 Blutec. It is leaking oil from a small hole in the block on the left side and draining down to make it look like the main seal is leaking. The mechanic is asking me to take it to the dealership for an internal leak within the motor. Is this common and what may it possibly be?
Thanks
Jason
Submitted: 2 months ago.
Category: Mercedes
Customer: replied 2 months ago.
I do have a very clear photo of the area where the leaks is coming from if I need to send for review. I am having a tough time understanding it has a serious internal oil leak with only 75 k on it.
Is this something that the dealer may consider handling in your opinion?
Expert:  Kevin replied 2 months ago.

Hi im kevin can you send me picture so i can see ? Do you have full service history with mercedes ?

Customer: replied 2 months ago.
What is the phone number or email I can send to
Expert:  Kevin replied 2 months ago.

You can attach it to this converation

Customer: replied 2 months ago.
Here they are.
Expert:  Kevin replied 2 months ago.

Looking at pictures it looks like leak is coming from higher up and running down transmission casing ?

Customer: replied 2 months ago.
It's coming from the small hole
On the side
Of the block inside of
The driver side front wheel. Dry as a bone
On the
Left side. It's
Literally leaking out of that small hole.
Customer: replied 2 months ago.
Dry as a bone on passenger side
Expert:  Kevin replied 2 months ago.

Ok if its leaking from block then as you know this is bad news .if you have full service with mercedes they may cover this or contribute to costs

Customer: replied 2 months ago.
Does that mean the motor is toast. How can that be with 76 k miles on it. What is that whole called on the side of the motor.
Expert:  Kevin replied 2 months ago.

Its difficult to see from pics but im not sure hole is supposed to be there

Customer: replied 2 months ago.
You telling me that hole
Is Not supposed to be there? My
Mechanic says that all the Mercedes have them. It's not like it got a hole
In it.
Expert:  Kevin replied 2 months ago.

Its hard to see il opt out see if another tech knows for sure

Customer: replied 2 months ago.
I just found out what it is and I am not a mechanic. It is leaking from the oil cooler as it showed very clearly on you tube. Please waive the 26 but I am fine with paying the 5. Thanks