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| G-AMG G-Class DIY Host Date registered: May 2006 Location: South Texas Vehicle(s): '04 G55, '80 280GE, '99 S420, '98 E320, 2011 E350  | 722.6X Tranny Service Greets, I just wanted to share some info with all of you. For years now, I've been trying to get my local dealer to change the Tranny fluid/filter on my cars, but since they all have the 722.6X trans (Sealed for "Life", whatever that is!!), they refuse to touch it, threaten me with Warranty Void, yah-die yah. Well, I decided to call an aquaintance who is the Lead Tech at "The Main" MB Dealership in "One of the Largest Cities" in the US. Well, I couldn't get a black and white proof of the change in Mantra in the form of a Service Bulletin, but I did get it in email form from him. To me, it as close to the "horse's mouth" as I've found, and I trust this guy. Anyway, here's his speil: "As to trans fluid changes, The factory now calls for a one time oil and filter change at 40k for the 722.6 ( 39k for the 722.9) as of model year 2006 so they would appear to have changed their stance on trans service. We still use the 722.6 on AMG and V-12 vehicles and the service is basically drop the pan and filter for about a 4-5qt change. Earlier vehicles like your 140 and 210 will probably have a torque convertor drain for an additional 3-4 qts.If the vehicle has over 50K and exibits a torque convertor "shudder" then the proceedure is to flush with 10 qts (cooler hose diconnected) due to the fact there is no T/C drain. If the trans exibits no problems then a oil/filter change should be fine. There is a specific fluid that costs an arm and a leg although a high qaulity synthetic ATF seems to work well. We have been using this for the older cars (722.6) and have not seen any failures. Tell the degenerated belt material guy there are no belts or bands in that trans, only clutches. " I notice it says "One Time" change. What has everybody been doing with their cars?? | ||
| #68524 |
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| lkchris Veteran Date registered: Nov 2006 Location: Albuquerque Vehicle(s): '07 GL320CDI, '06 E320CDI Posts: 144  | RE: 722.6X Tranny Service On my 2001 E320 wagon, I had dealer change fluid right after I purchased it last October. No arguments. On wife's 2006 E320CDI, will wait until 39K miles for first change. | ||
| #68617 - in reply to #68524 |
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| Darkmann Date registered: Dec 1899 Location: Vehicle(s): | RE: 722.6X Tranny Service I had a tranny leak a few weeks ago (at that darn sensor) and requested a tranny service. During the discussion the master tech basically said what you posted. Yes, MB had made an about face regarding the "lifetime" thing. He did said for my car (01 430), MB now calls for tranny oil change between 60 and 100K. They replced the oil and filter and, frankly, the car runs quieter and does shift a bit smoother. Not that there was any problems before, but it just seems to sound and feel smoother. And this easter weekend, I also saw a whopping increase in MPG. I will post that story later. | ||
| #69635 - in reply to #68524 |
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| 247hoopsfan Date registered: Dec 1899 Location: Vehicle(s): | RE: 722.6X Tranny Service I never believed the "sealed for life" bull. I had my indie change my fluid and filter at 60K. Tranny shifts perfect. I will probaly do it again at 120k. | ||
| #71330 - in reply to #69635 |
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| rmeneses Member Date registered: Mar 2007 Location: Redondo Beach California Vehicle(s): 2007 E350 2010 Honda CR-V (I work for Honda R& D) Posts: 22 | Re: 722.6X Tranny Service My 02 E320 has about 68k, still under extended factory warranty, do you think they'll do mine without any threats of warranty voidance? | ||
| #71496 - in reply to #68524 |
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