2011 E350 Noisy sunroof drive

So far I have no complaints with the exception that my sunroof drive is noisy when the rear of the roof is raised or lowered.
The dealer tells me that it needs repair, something I prefer would not be happening. Generally I do my own repairs.
I am told that the drive assembly is located in the front roof center close to the rear view mirror.
Does anyone of you have an idea how to get to this assembly?
There are no repair manuals available yet.
Thank you, JK

Sunroofs tend to be tricky and I am not sure how qualified the dealer service is.
I was unable to find any service manuals. It is probably too early in the life of this model.

JK
Last edited by parker15555; Jun 9, 2011 at 06:59 AM.

But I found a 2010 E350 etc. parts manual on eBay under #370472700913 which I ordered.



