E-Class (W211) 2003-2009

transmission oil change interval--100k mi?

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Old Dec 26, 2008 | 06:51 PM
  #1  
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2004 E500 CLK320
transmission oil change interval--100k mi?

Does anyone know the transmission oil change interval for the 2004 E500? The manual has no info on this matter. The MB service advisor says 100k mi. However, another MB service advisor from another dealer says the oil change interval is 40k mi for the 2004 CLK320. I think the service interval should be the same for both cars.
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Old Dec 26, 2008 | 07:08 PM
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07 E63 06 CLK55 Cab 03 P-car C4S
don't know, but FYI my 2006 R500 says 39k to change transmission oil.
also, apparently advisors are not beginning to reco changing them as preventive maintenance since the downside is so high vs. the simple costs of changing them. particularly i hear the 7 sp could be much more demanding on the transmission/oil.
Patrick
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Old Dec 26, 2008 | 08:53 PM
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'71 Pinto
Originally Posted by SZMB
Does anyone know the transmission oil change interval for the 2004 E500? The manual has no info on this matter. The MB service advisor says 100k mi. However, another MB service advisor from another dealer says the oil change interval is 40k mi for the 2004 CLK320. I think the service interval should be the same for both cars.
MBUSA recommends ATF and filter change every 39000 miles. Furthermore, only ATF 4134 or 134 is to be used for 7-speed transmissions (3353 is only to be used for 5-speed transmissions).
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Old Dec 27, 2008 | 04:01 AM
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Originally Posted by SZMB
Does anyone know the transmission oil change interval for the 2004 E500? The manual has no info on this matter. The MB service advisor says 100k mi. However, another MB service advisor from another dealer says the oil change interval is 40k mi for the 2004 CLK320. I think the service interval should be the same for both cars.
Every 3rd service.
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Old Dec 27, 2008 | 10:53 AM
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2011 E350 Sport 4Matic - P2 & Drivers Assist / 2010 C300 Sport 4Matic - P2 / 2013 Porsche Cayenne S
I vaguely recall that the transmission fluid is never supposed to be changed. Its good for the entire lifetime of the car that is why its not in the manual. I'll try to remember/find the link where I saw this.
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Old Dec 27, 2008 | 11:24 AM
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03 E500 and Corvette
I have an 03 500 with the 5 speed. I changed fluid and filter at 70,000 miles.

Did the job myself. Not that difficult on the 5 speed don't know about the 7 speed. But I did use the MB transmission fluid and filter. I do not substitute for mb parts.
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Old Dec 27, 2008 | 12:48 PM
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06 E350
Originally Posted by LaicepsYdobon
I vaguely recall that the transmission fluid is never supposed to be changed. Its good for the entire lifetime of the car that is why its not in the manual. I'll try to remember/find the link where I saw this.
I heard this as well.
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Old Dec 27, 2008 | 04:53 PM
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All Diesel Fleet !1983 240d stick,2005 E320 CDI Midnight blue, 2005 E320 CDI, Desert Silver, Kubota
Find a BG Flush Machine

Some dealers have them, others not. On my 05 E320 CDI, I bring 16 quarts of MB Tranny Fluid in. They completely change the fluid, including what is in the torque converter. I do it at 35,000 mile intervals. I would never dare go 70 or 100,000 miles before changing. Any idea what a new tranny costs?
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Old Dec 27, 2008 | 05:34 PM
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Originally Posted by LaicepsYdobon
I vaguely recall that the transmission fluid is never supposed to be changed. Its good for the entire lifetime of the car that is why its not in the manual. I'll try to remember/find the link where I saw this.
This is not true. MB changed after there were many transmission failures.
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Old Dec 27, 2008 | 05:52 PM
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I reiterate every 39000 miles...
Attached Files
File Type: pdf
servicesheet.pdf (26.3 KB, 742 views)
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Old Dec 27, 2008 | 10:58 PM
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2006 E350
Originally Posted by LaicepsYdobon
I vaguely recall that the transmission fluid is never supposed to be changed. Its good for the entire lifetime of the car that is why its not in the manual. I'll try to remember/find the link where I saw this.
I think only BMWs tranny fluid is lifetime as I have owned 2 already.
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Old Dec 27, 2008 | 11:53 PM
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2004 E500 CLK320
I bought this CPO last spring. It had 43k mi back then, apparently it never had the transmission oil changed. If MB recommends ATF change every 39k mi, i wonder why didn't the dealer change it in order to qualify it as a CPO. When did MB start recommending the 39k interval for the 04 E500? I wonder why the service rep was not aware of this. I need to call him up again.
My car now has 58k mi, i should have the ATF changed soon.

BMW had the life time ATF for their 98-02 cars, but all post 02 models now have a 100k ATF change interval. I'm not sure why BMW changed their requirement, but I think many people have complained about this lifetime fluid as a nonsense or just a marketing thing.
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Old Dec 28, 2008 | 08:18 AM
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03 E500 and Corvette
Originally Posted by SZMB
I marketing thing.
Yes sounds like marketing. Change the fluid or change the transmission. oops sounds like an old commercial.

Mine had 70,000 miles on the first fluid change but once I found MB changed their recommendation I changed the fluid.
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Old Dec 28, 2008 | 12:28 PM
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1999 E320 & 2008 S550 Designo
Had my 1st transmission oil replaced at around 60K. Dealer now recommend doing it roughly every 40K.
It is worth doing if you want to keep the Benz running for a long time.
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