CLK-Class (W209) 2003 on: CLK 270 CDI, CLK 200K, CLK 200 CGI, CLK 240, CLK 320, CLK 350, CLK 500, CLK 550 [Coupes & Cabriolets]

ATF

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Old Apr 23, 2013 | 02:14 PM
  #1  
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2004 CLK320
ATF

I read that Shell ATF-134 is in the MB arproved list.

For my transmission service last time, I bought the 236.14 ATF from the dealership for $26 CAN per liter. I read here that some of you can get Shell ATF for much lower price.

I am wondering if MB ATF and Shell ATF are comparable products (one is just as good as the other)? Also, does anyone know who makes the MB ATF?

Last edited by mis3; Apr 23, 2013 at 02:17 PM.
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Old Apr 23, 2013 | 05:15 PM
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From: Llandudno, Cape Town, South Africa
late 2009 CLK 350 Coupe Elegance, '65 Jaguar S Type wires
Shell ATF-134 is approved. It is as good as any other approved product. Shell makes the new Blue 236.15 product for the 722.9 Plus transmission. A number of companies have produced the Genuine fluid in the past including Fuchs.
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Old Apr 23, 2013 | 07:13 PM
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If Shell-134 is as good as MB branded ATF, I would try get Shell locally. All US online stores I tried do not ship to Canada, something to do with no fluid across the border.

How about mixing MB ATL with Shell-134? I ask because I do only pan-flush. So, I will mixing MB ATL and Shell ATL.

In fact, I did the last pan flush exactly a year ago. I would like to go for another pan flush but it has only been 16k miles. I miss how smooth the car was after the last pan flush.

Last edited by mis3; Apr 24, 2013 at 09:43 AM.
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Old Apr 24, 2013 | 11:11 PM
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Is it OK to mix MB ATF with Shell 134?

I would guess it should be fine because for my last transmission (722.6) service, I did 2 pan flushes (3k miles apart) in a row to push in more 236.14 fluid. So, I have both 236.10 and 236.14 fluids in my transmission currently.
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Old Apr 25, 2013 | 07:34 AM
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From: Llandudno, Cape Town, South Africa
late 2009 CLK 350 Coupe Elegance, '65 Jaguar S Type wires
Yes it's fine. They are designed to be fungible & miscible. There is only one additive system approved never mind who you buy it from.

Only the new blue 236.15 fluid is not reverse compatible.
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Old Apr 25, 2013 | 08:23 PM
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I know the recommendation is every 39k miles. How often do you guys change your ATF?

As I mentioned before, my last pan flush was just 16k miles ago. I am anxious for another pan flush.
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Old Apr 25, 2013 | 10:35 PM
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I think every 16K is overkill, maybe every 30K would be a good plan for "severe service" conditions.
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Old May 13, 2013 | 09:57 PM
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I think I am going to get Shell ATF134 locally. Shell is about 25% of the MB branded ATF.

ATF for my 722.6 is now a mixture of MB branded 236.10 and 236.14 (mostly 236.14 because I did 2 pan-flushes last year). Shell ATF134 would be a 3rd fluid, kind of. Sure hope all these fluids would work well together.

The reason I am going with Shell because of my friend's car. She has a 2006 C230 Sport Sedan and never had transmission service done on the car. Her transmission should be 722.6 as well so going with Shell would save me a lot of money.
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