I have 2013 E350, that makes noise in rear while entering the garage. I have to go under the building complex to the garage, and it is a steep grade, and the noise seems like creaking noise, this happen 90% of the time. I asked the dealer and of course, they could not replicate it so I am stuck trying to figure out were this noise come from.

 

record a video for dealer.
does it happen when u brake? suspension component?

 

Do you have the pano roof?

 

Yeah, sounds like the pano roof. The bolts get loose, only happens when you go over a ramp at an angle so the body flexes. If you hit it straight on it doesn't make the noise. Someone had a DIY video on how to fix it. Use loctite on the bolts so they don't get loose again.

 

My 2013 has a pano roof. This noise does not happen when I brake.

 

Then it's probably the bolts in the pano roof. When turning into the garage, is it at a steep angle or is there a ramp? The body ends up flexing at that point, think of a box and twisting it. The flex makes noise when the bolts are loose. Happens when one wheel is higher than the other.

 

So what do I do, live with it, or can it be fixed?

 

I think someone fixed it.

https://mbworld.org/forums/e-class-w...ml#post7064544