2012 ML350 Rear Hatch
Thread Starter
Member
Joined: May 2013
Posts: 115
Likes: 1
From: DFW Area
ML-350, Audi Q7, Ford Taurus
2012 ML350 Rear Hatch
new problem just now getting more frequent.
rear hatch won't open sometimes either thru remote or trunk handle. it would open for about an inch then either stops there or closes back up. I had to manually pull it all the way up for it to open then it will operate fine for awhile.
appointment made... anyone else experience this before?
rear hatch won't open sometimes either thru remote or trunk handle. it would open for about an inch then either stops there or closes back up. I had to manually pull it all the way up for it to open then it will operate fine for awhile.
appointment made... anyone else experience this before?
Super Member
Joined: Mar 2012
Posts: 619
Likes: 34
From: East part of Texas
2017 CLS550
My 2012 ML350 did this fairly early on and was corrected under warranty. I set the stop height so it would not hit my garage door opener rails while in the garage and all was well for the first few weeks. When I opened the hatch it went just so far and stopped right where I had set it. Then I noticed the same thing you have - opens about an inch and then closes or does not latch shut all the way.
I took it in and it was the right hatch shock that contains the memory which needed to be replaced. The mechanic said that the reason this happens is that once the memory height is set to memory, the hatch door must be opened and closed by either the button on the driver's door, the hatch button itself or via the remote. If the hatch is opened or closed manually it will screw up the memory because of the force placed on the door which messes up the memory. They don't usually reprogram the settings and just replace the shock itself. The problem is most dealers don't have them in stock and must order them, which usually takes a couple weeks. For the past three years since the repair I have never opened or closed the hatch manually, using only the buttons, and I have not had a bit of trouble since.
I took it in and it was the right hatch shock that contains the memory which needed to be replaced. The mechanic said that the reason this happens is that once the memory height is set to memory, the hatch door must be opened and closed by either the button on the driver's door, the hatch button itself or via the remote. If the hatch is opened or closed manually it will screw up the memory because of the force placed on the door which messes up the memory. They don't usually reprogram the settings and just replace the shock itself. The problem is most dealers don't have them in stock and must order them, which usually takes a couple weeks. For the past three years since the repair I have never opened or closed the hatch manually, using only the buttons, and I have not had a bit of trouble since.
Newbie
Joined: Jul 2015
Posts: 11
Likes: 0
2012 ML350 BlueTec
We had an issue with rear hatch not opening sometimes w/in 2 months of purchasing the car back in 2012. They replaced Drive Spindle on ours. Part No. 166-890-04-30.
Since yours probably is still under warranty I would get it checked out by dealer right away & have it fixed.
Thank you.
Since yours probably is still under warranty I would get it checked out by dealer right away & have it fixed.
Thank you.
Thread Starter
Member
Joined: May 2013
Posts: 115
Likes: 1
From: DFW Area
ML-350, Audi Q7, Ford Taurus
got the car back dealer said they couldn't find any error code, they did a reset of the software and hopefully that will fix the issue. for far, after a week... it's been good.
Banned
Joined: Apr 2015
Posts: 69
Likes: 8
Junior Member
Joined: Feb 2012
Posts: 69
Likes: 1
2012 C350 coupe; 2013 ML350
same issue with 2013 ML.....no code.. software update did the job for two days.
New control board after being in the shop 2 days....worked for one day.
Service is scratching their heads...I am urging them to engage an MB engineer, but they are hesitant.
New control board after being in the shop 2 days....worked for one day.
Service is scratching their heads...I am urging them to engage an MB engineer, but they are hesitant.
Newbie
Joined: Aug 2015
Posts: 2
Likes: 0
ML350 4Matic
My 2014 ML350 has similar issues. I have brought it to the dealership service department twice. Every time, they say no error code was found and the just update the firmware the to latest. But it haven't fixed the problems.
1. Sometimes it lost the member height limit previously set. It open up to the maximum and touch the ceiling of my garage.
2. Sometimes, when I press the hatch, the it open just a little (less than 1 inch) and stop.
3. Sometimes, when I press the hatch, the it open just half way, not to the limit I set.
1. Sometimes it lost the member height limit previously set. It open up to the maximum and touch the ceiling of my garage.
2. Sometimes, when I press the hatch, the it open just a little (less than 1 inch) and stop.
3. Sometimes, when I press the hatch, the it open just half way, not to the limit I set.
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Junior Member
Joined: Feb 2008
Posts: 54
Likes: 1
ML550, RS5
Id be happy if mine opened an inch. For the second time my tailgate wont open at all. Repaired under warranty first time and then crapped out again an hour before a road trip vacation. It will close fine.
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Junior Member
Joined: Feb 2012
Posts: 69
Likes: 1
2012 C350 coupe; 2013 ML350
My 2012 ML350 did this fairly early on and was corrected under warranty. I set the stop height so it would not hit my garage door opener rails while in the garage and all was well for the first few weeks. When I opened the hatch it went just so far and stopped right where I had set it. Then I noticed the same thing you have - opens about an inch and then closes or does not latch shut all the way.
I took it in and it was the right hatch shock that contains the memory which needed to be replaced. The mechanic said that the reason this happens is that once the memory height is set to memory, the hatch door must be opened and closed by either the button on the driver's door, the hatch button itself or via the remote. If the hatch is opened or closed manually it will screw up the memory because of the force placed on the door which messes up the memory. They don't usually reprogram the settings and just replace the shock itself. The problem is most dealers don't have them in stock and must order them, which usually takes a couple weeks. For the past three years since the repair I have never opened or closed the hatch manually, using only the buttons, and I have not had a bit of trouble since.
I took it in and it was the right hatch shock that contains the memory which needed to be replaced. The mechanic said that the reason this happens is that once the memory height is set to memory, the hatch door must be opened and closed by either the button on the driver's door, the hatch button itself or via the remote. If the hatch is opened or closed manually it will screw up the memory because of the force placed on the door which messes up the memory. They don't usually reprogram the settings and just replace the shock itself. The problem is most dealers don't have them in stock and must order them, which usually takes a couple weeks. For the past three years since the repair I have never opened or closed the hatch manually, using only the buttons, and I have not had a bit of trouble since.
Super Member
Joined: Mar 2012
Posts: 619
Likes: 34
From: East part of Texas
2017 CLS550
Glad it helped. Just remember not to open and close the hatch manually very often. Sometimes when store people are loading merchandise in the back end they will close the hatch manually so I always stand by to tell them just to load the back end and then I will close it. I'm sure a few closures by hand won't damage it but constantly doing so, especially after the memory is set, seems to be the culprit and common factor with every report the service dept. gets about this, at least that is what they tell me at the MB dealership I use.
Banned
Joined: Apr 2015
Posts: 69
Likes: 8
Glad it helped. Just remember not to open and close the hatch manually very often. Sometimes when store people are loading merchandise in the back end they will close the hatch manually so I always stand by to tell them just to load the back end and then I will close it. I'm sure a few closures by hand won't damage it but constantly doing so, especially after the memory is set, seems to be the culprit and common factor with every report the service dept. gets about this, at least that is what they tell me at the MB dealership I use.
