E-Class (W212) 2010 - 2016: E 350, E 550
Sponsored by:
Sponsored by: CARiD

E350 2011 Sunroof leak

Old Dec 17, 2018 | 02:36 PM
  #1  
candellara's Avatar
Thread Starter
Newbie
 
Joined: Dec 2007
Posts: 14
Likes: 0
W212 E350 + R230 SL55
E350 2011 Sunroof leak

Hi Guys

Need your help please.

I've some water ingress on the NSF of the sunroof which is making the headliner damp. The car has a pan roof and i suspect the drainage holes are blocked at the front of the sunroof

Problem is that i can't see where the drainage holes are in order to stick an air line through them

Has anyone got a picture or could show me where the front sunroof drainage holes are - or any other advice

It'd be much appreciated

Thanks

Jason (UK)
Reply
Old Dec 17, 2018 | 03:02 PM
  #2  
RA72825's Avatar
Banned
 
Joined: Oct 2005
Posts: 4,957
Likes: 1,640
There are several posts on sunroof leaks in the forum. Here is one, and the solution is to modify the end of the drain hose to stop future clogging. I would not recommend you go after the drain with any kind of high pressure device. You may do more damage than being helpful. Poke the drain with weed wacker string until clear.

https://mbworld.org/forums/e-class-w...6-e-class.html
Reply
Old Dec 18, 2018 | 12:00 PM
  #3  
candellara's Avatar
Thread Starter
Newbie
 
Joined: Dec 2007
Posts: 14
Likes: 0
W212 E350 + R230 SL55
Thanks. But both threads don't detail exactly where the drains are located.

It's really not at all obvious when you look inside where the sunroof tracks are. Unless mine is different? Panoramic sunroof as opposed to regular?
Reply
Old Dec 18, 2018 | 01:25 PM
  #4  
RA72825's Avatar
Banned
 
Joined: Oct 2005
Posts: 4,957
Likes: 1,640
The drain holes are in the front quadrant area, so the pickup hose(s) can be attached and routed down the A-pillar. You will need to poke around from the front of the sunroof and back a few inches around the track. Get some plastic weed string and start poking. Be resourceful.
Reply
Old Aug 24, 2019 | 10:13 PM
  #5  
Luddyludwick's Avatar
Member
5 Year Member
Liked
Loved
Community Favorite
 
Joined: Aug 2019
Posts: 85
Likes: 36
From: Birmingham, Alabama
'11 E350 4Matic Wagon
Didn't want to start a new thread, but my 2011 pano wagon has gone through the car wash fine, etc., etc. Today, very heavy rain for an hour. The A pillar, driver's side, is damp. I haven't checked the drains yet, but any ideas? Footwells and all seemed fine (I checked there first). Didn't notice until this evening when my wife was going out in it. Will have another look in the AM.

So, from what people say above, a moderate strength air puff (like that of compressed air duster for electronics) isn't a good idea?
Reply

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 

Thread Tools
Search this Thread
Rate This Thread
Rate This Thread:
You have already rated this thread Rating: Thread Rating: 0 votes,  average.


All times are GMT -4. The time now is 04:57 PM.

story-0
6 Mercedes Models That Did NOT Age Well (But Are Somehow Still Cool)

Slideshow: Not every Mercedes design becomes timeless, some feel stuck in the era they came from.

By Verdad Gallardo | 2026-05-12 18:09:07


VIEW MORE
story-1
Manual Mercedes? 6 Times Sindelfingen Let Drivers Have All The Fun

Slideshow: Yes, Mercedes built manual cars, and some of them are far more interesting than you'd expect.

By Verdad Gallardo | 2026-05-02 12:36:58


VIEW MORE
story-2
Mercedes SLR McLaren 722 S Is Extremely Rare Example Modified by McLaren

Slideshow: A one-of-one U.S.-spec Mercedes-Benz SLR McLaren Roadster became even rarer after a factory-backed transformation at McLaren's headquarters.

By Verdad Gallardo | 2026-04-29 11:19:28


VIEW MORE
story-3
8 Classic Boxy Mercedes Designs That Have Aged Like Fine Wine

Slideshow: Before curves took over, Mercedes mastered the art of the straight line, and some of those shapes still look right today.

By Verdad Gallardo | 2026-04-25 12:05:49


VIEW MORE
story-4
Flawlessly Restored Mercedes 190E Evo II Heads to Auction

Slideshow: The 190E Evolution II shows how a homologation necessity became a six-figure collector icon.

By Verdad Gallardo | 2026-04-22 17:53:47


VIEW MORE
story-5
Electric Mercedes C-Class Unveiled: 11 Things You Need to Know

Slideshow: Mercedes is turning one of its core nameplates electric, and the details show just how serious this shift is.

By Verdad Gallardo | 2026-04-21 13:58:06


VIEW MORE
story-6
Mercedes EQS Gets A Major Update: Everything You Need to Know

Slideshow: Faster charging, longer range, and a controversial steer-by-wire system define the latest evolution of Mercedes-Benz EQS.

By Verdad Gallardo | 2026-04-15 10:35:34


VIEW MORE
story-7
5 Underrated Mercedes-Benz Models That Don't Get the Love They Deserve

Slideshow: These overlooked Mercedes-Benz models never got the spotlight, but they quietly delivered more than most remember.

By Verdad Gallardo | 2026-04-13 19:35:45


VIEW MORE
story-8
Mercedes 300D Has Pushed Well Past 1 Million Miles and It Ain't Stopping

Slideshow: A well-used 1991 Mercedes-Benz 300D with more than one million miles is now looking for a new owner, and it still appears ready for more.

By Verdad Gallardo | 2026-04-10 10:05:15


VIEW MORE
story-9
10 Most Reliable Mercedes-Benz Models You Can Buy Used

Slideshow: From bulletproof sedans to surprisingly tough SUVs, these Mercedes models proved that the three-pointed star can go the distance.

By Verdad Gallardo | 2026-04-08 09:55:49


VIEW MORE