C-Class (W204) 2008 - 2014: C180K, C200K, C230, C280, C300, C350, C200CDI, C220CDI, C320CDI

Checking Transmission Fluid

Old Feb 16, 2009 | 12:07 PM
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2019 GLC 300
Checking Transmission Fluid

Hello all,

Is there a dipstick to check the Tranny fluid on a 2008/2009 C300 ? I've looked all over, but I don't see one (or anywhere to add tranny fluid).

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Old Feb 17, 2009 | 10:56 AM
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C220CDI
Only the dealer can check

My dealer service center told me that it was something only they could check via a "hidden" dipstick! I'm not game enough to dismantle the engine just to find it
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Old Feb 17, 2009 | 01:46 PM
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Probably not. They come with 'lifetime tranny fluids' according to MB.
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Old Feb 17, 2009 | 02:49 PM
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2007 W204 220CDI Classic Sedan
Originally Posted by KA8
Probably not. They come with 'lifetime tranny fluids' according to MB.
Thats what Citroen said & their C5 transmissions had a disturbing failure rate.

The CDI 220 5 speed transmission does not have any servicing time /km mentioned in the service book but my trusted & practical service manager suggested to change my fluid every 60,000 km, which I will do.

If your MB service manager would give you the length of their dipstick you could make your own from woven wire or flexibe plastic.
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Old Feb 17, 2009 | 02:55 PM
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the new transmissions can only be checked by measuring the time it takes fluid to exit the pan ... after adding fluid with a special machine they remove the tool and watch how fast the fluid comes out ... after awhile the fluid will get to a point where they put the cap in the pan .. also sds can measure the amount of fluid in the transmission
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Old Feb 17, 2009 | 05:21 PM
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'08 C300 Lux Barolo Red Beige Leather P2 MM 18" wheels '84 944
Not this again

Originally Posted by KA8
Probably not. They come with 'lifetime tranny fluids' according to MB.
No, they do not. MB eliminated this claim in 2005 and since then they say change it at 40K miles.

Look in your owner's manual.
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