Water in my gear transmission oil
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2012 Glk 350
Water in my gear transmission oil
My gear transmission oil cooler in the radiator ruptured opened and water mixed with the transmission oil which I didn't notice on time. I was advised to drain flush it after fixing the ruptured cooler.
I have flushed it twice yet the gear keep skipping, Now it disengages on its own while on motion.
please any one with such experience from this forum and what I can do next.?
Is a 2012 GLK350 4matic
I have flushed it twice yet the gear keep skipping, Now it disengages on its own while on motion.
please any one with such experience from this forum and what I can do next.?
Is a 2012 GLK350 4matic
MBWorld Fanatic!
Joined: Jul 2012
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From: WI
GLK 250
Yikes, that stinks. I'd say short of a transmission rebuild, which is $$$$, maybe look at getting a used replacement from a junkyard or eBay?
You probably need a good Indy shop that specializes in Euro cars, that'd be my next stop to ask about options.
Also, your post says 2012 GLK350 but your profile says 2011. Don't know if there are differences in the transmissions between model years 2011 and 2012, but you'd be going by part number anyway.
Good luck.
You probably need a good Indy shop that specializes in Euro cars, that'd be my next stop to ask about options.
Also, your post says 2012 GLK350 but your profile says 2011. Don't know if there are differences in the transmissions between model years 2011 and 2012, but you'd be going by part number anyway.
Good luck.
Thread Starter
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Joined: Nov 2019
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2012 Glk 350
Yikes, that stinks. I'd say short of a transmission rebuild, which is $$$$, maybe look at getting a used replacement from a junkyard or eBay?
You probably need a good Indy shop that specializes in Euro cars, that'd be my next stop to ask about options.
Also, your post says 2012 GLK350 but your profile says 2011. Don't know if there are differences in the transmissions between model years 2011 and 2012, but you'd be going by part number anyway.
Good luck.
You probably need a good Indy shop that specializes in Euro cars, that'd be my next stop to ask about options.
Also, your post says 2012 GLK350 but your profile says 2011. Don't know if there are differences in the transmissions between model years 2011 and 2012, but you'd be going by part number anyway.
Good luck.
About my profile, thanks for the observation that was an error on my side I have corrected it.
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2013 glk 350
I feel bad for you, I’m curios , you dropped the pan, pulled the torque converter plug, rotated and drained the torque converter, put the plug back in, put on the pan, brought it to temp to check the level while the motor is running. (My 13 is done this way) And you say you did this , the flush twice?
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2012 Glk 350
I feel bad for you, I’m curios , you dropped the pan, pulled the torque converter plug, rotated and drained the torque converter, put the plug back in, put on the pan, brought it to temp to check the level while the motor is running. (My 13 is done this way) And you say you did this , the flush twice?
At first after the flushing, during gear shifting the engine RPM goes from 1000-3000RPM before the gear smoothens out. But now the gear disengages completely and wont going back, you will have to turn off the Engine and start it back before the gear will engage and drive for another few minutes.
Thanks for your reply
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From: New Hampsha
'17 GLS450, '14 GLK250, Grandpa's Roadster
Is the fluid still contaminated? If so, you should keep draining and flushing it until all the contaminants are out. You might want to inquire of a transmission specialist if there's anything you can add that will help purge the coolant from the system.
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2012 Glk 350
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Thread Starter
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2012 Glk 350
But do i have to replace the filter each time I flush the transmission?
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2013 glk 350
I know really nothing about the transmission but from what I’ve viewed I think the issue is in the valve body which can be removed and cleaned - rebuilt . It’s not simple or cheap,
There is a mb ebay video of it being done. I think you could find a qualified answer from a qualified rebuilder from the ebay videos . Or go to other areas of this forum . Your not finding a pro here at Glk 350.
There is a mb ebay video of it being done. I think you could find a qualified answer from a qualified rebuilder from the ebay videos . Or go to other areas of this forum . Your not finding a pro here at Glk 350.
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2010 GLK350 4Matic
Transmission is toast. Flushing is not going to make any difference now the damage has been done. You should start searching for a replacement and mechanic that is willing to pull your old one out and put the new one in. My GLK 2010 had a trans shop rebuild the trans at 53,000 miles, and at 58,000 a new trans was installed, dealership. At 90K miles,new deep pan, filter, fluid AND Lucas brand trans additive. Lucas is a great product for oil, trans, fuel injectors.
Hope you can find a good trans deal. It sort of stinks as getting one is not going o be cheap, and then having a mechanic toss it in for you, more money. I had a source for trans that had a five year warranty but not sure they are still around with this covid crud. I will look and if I find then I will put the info here.
Hope you can find a good trans deal. It sort of stinks as getting one is not going o be cheap, and then having a mechanic toss it in for you, more money. I had a source for trans that had a five year warranty but not sure they are still around with this covid crud. I will look and if I find then I will put the info here.
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From: New Hampsha
'17 GLS450, '14 GLK250, Grandpa's Roadster
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2010 GLK350 4Matic
The filters in GLK350 trans are flat multilayered. However if you even started your GLK with water/anti freeze running through it, you have destroyed the transmission. No amount of new fliud or filters can fix it. Please search for a rebuilt, repair shop, or low milage replacement. Stop wasting time and money on fluid.
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From: New Hampsha
'17 GLS450, '14 GLK250, Grandpa's Roadster
Eternal optimists! (They may be right, but fluid is cheap compared to replacing the transmission.) How far did you drive it with coolant in the trans? How did you discover there was a problem?
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2010 GLK350 4Matic
True but the reality is with all the internals on the GLK 350 trans have, water or any other invading fluid not made to circulate in the trans, spells doom. There was a place that offered 5 year warranty on trans remanufactured, but I can't find them now so covid must have shut them down. Sad as they were priced at $2650.00 plus shipping, the reviews were A1 on their product. Now I find used for that price range and you never know what you will be getting. Not sure what a shop will charge to rebuild, and then again you can pay for crummy work to be done and fight with the shop to try to get it right. Guess I would try to boneyard lowest mileage trans and pay mechanic to install. It just stinks to have any major problem with a car. Too bad they never made a manual 6 speed for our GLK!
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2021 GLB250 FWD, 2023 GLA250 FWD, 2013 C250, 2015 GLK350, 2005 ML350SE, 2003 E320
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From: WI
GLK 250
The powertrain options never allowed a manual GLK for the U.S. market, but in Europe it was quite common to get this 4-cyl OM651 engine mated to a 6-spd manual gearbox in the C class cars.
You may have to search Europe's used car part depots but you will find a manual MB tranmission for this engine, and it can be made to work but you need someone knowledgeable on both sides of the pond to make sure you have everything you need (mounts, electronic components, etc.)
You may have to search Europe's used car part depots but you will find a manual MB tranmission for this engine, and it can be made to work but you need someone knowledgeable on both sides of the pond to make sure you have everything you need (mounts, electronic components, etc.)
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I would have been more than happy with a smaller V-6 Gasser with 225 hp (along with better fuel economy) and a six speed manual. A high-ish top speed and 0 to 60 in 6.5 is silly, to me, in a vehicle like this. In retrospect I also should have gone with RWD only. Of course then you can't get certain other options you want. Hate those "package games" the car manufacturers play.
The powertrain options never allowed a manual GLK for the U.S. market, but in Europe it was quite common to get this 4-cyl OM651 engine mated to a 6-spd manual gearbox in the C class cars.
You may have to search Europe's used car part depots but you will find a manual MB tranmission for this engine, and it can be made to work but you need someone knowledgeable on both sides of the pond to make sure you have everything you need (mounts, electronic components, etc.)
You may have to search Europe's used car part depots but you will find a manual MB tranmission for this engine, and it can be made to work but you need someone knowledgeable on both sides of the pond to make sure you have everything you need (mounts, electronic components, etc.)
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From: WI
GLK 250
My previous MB before the GLK250 was a C-class, W204 body. Flame red, sport package, 6spd manual gearbox (that's right!) with the M272 6cyl 3.0L gas engine.
The shifting quality wasn't what I'd call snickity-clickety but it felt nice to be rowing my own gears, and I'm sure it would've been quite a theft-deterrent if someone broke in.
The ESL failed on that car, as on most C-class cars, along with the rotary knob for the COMAND system, but everything else worked perfectly for 3 years and 56k miles.
The shifting quality wasn't what I'd call snickity-clickety but it felt nice to be rowing my own gears, and I'm sure it would've been quite a theft-deterrent if someone broke in.
The ESL failed on that car, as on most C-class cars, along with the rotary knob for the COMAND system, but everything else worked perfectly for 3 years and 56k miles.
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2010 GLK350 4Matic
I would have been more than happy with a smaller V-6 Gasser with 225 hp (along with better fuel economy) and a six speed manual. A high-ish top speed and 0 to 60 in 6.5 is silly, to me, in a vehicle like this. In retrospect I also should have gone with RWD only. Of course then you can't get certain other options you want. Hate those "package games" the car manufacturers play.
Would love a 6 speed for my GLK, oh well! LOL
