C-Class (W203) 2001-2007, C160, C180, C200, C220, C230, C240, C270, C280, C300, C320, C230K, C350, Coupe

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Old Dec 30, 2013 | 10:00 PM
  #1  
Jhguintu's Avatar
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From: American Canyon, CA
2002 Mercedes benz C240
Transmission

I have leak on my transmission and i want to change the fluid but i don't know the torque for the plug and the pan bolt. Does anyone know? Thanks in advance
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Old Dec 30, 2013 | 11:04 PM
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From: 1 hours drive north of Sydney Australia
2007 W204 220CDI Classic Sedan
Originally Posted by Jhguintu
I have leak on my transmission and i want to change the fluid but i don't know the torque for the plug and the pan bolt. Does anyone know? Thanks in advance
For 722.6 ATM .

Pan Bolt = 8 Nm.

Drain Plug = 20 Nm.

Cheers. JC.
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Old Dec 31, 2013 | 07:10 AM
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Stuka Bomber's Avatar
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2007 c280
Dealer rec. new bolts as well as the factory ones are stretch bolts.
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Old Dec 31, 2013 | 07:21 AM
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2017 GLA 250, 2011 C63 P31 (p30 w/ lsd) (in repair), 2005 C230 Sport Eurocharged, 2003 C320~sold
Originally Posted by Stuka Bomber
Dealer rec. new bolts as well as the factory ones are stretch bolts.
These aren't stretch bolts. I will pull the WIS instructions up to see what it says but I didn't change mine when I had to do it.
Stretch bolts that need replaced would be anything that would need an additional degree of turn after reaching the torque spec.

EDIT-- The WIKI had the instructions and it doesn't state to replace the bolts
https://mbworld.org/wiki/index.php/W203#722.6

Last edited by krazzdav; Dec 31, 2013 at 07:29 AM.
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Old Dec 31, 2013 | 07:55 AM
  #5  
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2017 GLA 250, 2011 C63 P31 (p30 w/ lsd) (in repair), 2005 C230 Sport Eurocharged, 2003 C320~sold
Originally Posted by Jhguintu
I have leak on my transmission and i want to change the fluid but i don't know the torque for the plug and the pan bolt. Does anyone know? Thanks in advance
Don't forget to get the measuring stick/dipstick, trans cap lock and TCU Connector. There are a lot of threads out there but this one had the TCU Connector PN# and good pics https://mbworld.org/forums/c-class-w...tf-4134-a.html
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Old Dec 31, 2013 | 08:50 AM
  #6  
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2007 c280
Originally Posted by krazzdav
These aren't stretch bolts. I will pull the WIS instructions up to see what it says but I didn't change mine when I had to do it.
Stretch bolts that need replaced would be anything that would need an additional degree of turn after reaching the torque spec.

EDIT-- The WIKI had the instructions and it doesn't state to replace the bolts
https://mbworld.org/wiki/index.php/W203#722.6
^Correct sir, i just looked, my 722.6 instructions were from an early w210 chassis. My bad.
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Old Dec 31, 2013 | 07:04 PM
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From: American Canyon, CA
2002 Mercedes benz C240
Thank you all for your reply. This will help me a lot. Have a safe and Happy New Year to all.
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