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This is the Rubber O-Ring found on the cooling lines that route from the transmission to the radiator. Rubber O-rings should be replaced every time the lines are disconnected for a leak free seal.


The Mercedes 722.6 transmission or 5GTronic is one of the most popular Mercedes transmissions in operation used from 1996-2015. This transmission was used across various models from the C-Class up to the SLR McLaren supercar. In addition, it was also installed in various Porsche 996 models, supercharged Jaguars, and various Chrysler/Jeep/Dodge applications. This is an electronically controlled transmission and most common failures are electronic on these models. Shift modules which are integral to the shift lever assembly commonly fail when they are inadvertently exposed to soft drinks and coffee. Conductor Plates commonly fail when the speed sensors stop functioning. These failures typically lead to erratic shifting, a check engine light and a transmission stuck in limp mode.

The most common fluid leak is at the 13 PIN electrical connector, if left unattended, it is not uncommon for fluid to wick its way up to the transmission control module. Good practice is to change the fluid level every 40k miles, and periodically check for leaks. This transmission is not equipped with a dipstick and requires a special service tool to verify fluid level. When properly maintained, the transmission should last the life of the vehicle.

Fits These Cars:

2002 Mercedes-Benz C230 Auto Trans Cooling Hose O-Ring
2003 Mercedes-Benz C230 Auto Trans Cooling Hose O-Ring
2004 Mercedes-Benz C230 Auto Trans Cooling Hose O-Ring
2005 Mercedes-Benz C230 Auto Trans Cooling Hose O-Ring
2006 Mercedes-Benz C230 Auto Trans Cooling Hose O-Ring
2007 Mercedes-Benz C230 Auto Trans Cooling Hose O-Ring
2001 Mercedes-Benz C240 Auto Trans Cooling Hose O-Ring
2002 Mercedes-Benz C240 Auto Trans Cooling Hose O-Ring
2003 Mercedes-Benz C240 Auto Trans Cooling Hose O-Ring
2004 Mercedes-Benz C240 Auto Trans Cooling Hose O-Ring
2005 Mercedes-Benz C240 Auto Trans Cooling Hose O-Ring
2002 Mercedes-Benz C32 AMG Auto Trans Cooling Hose O-Ring
Engine base: 3.2L V6, Sub model: Base
2003 Mercedes-Benz C32 AMG Auto Trans Cooling Hose O-Ring
Engine base: 3.2L V6, Sub model: Base
2004 Mercedes-Benz C32 AMG Auto Trans Cooling Hose O-Ring
Engine base: 3.2L V6, Sub model: Base
2001 Mercedes-Benz C320 Auto Trans Cooling Hose O-Ring
2002 Mercedes-Benz C320 Auto Trans Cooling Hose O-Ring
2003 Mercedes-Benz C320 Auto Trans Cooling Hose O-Ring
2004 Mercedes-Benz C320 Auto Trans Cooling Hose O-Ring
2005 Mercedes-Benz C320 Auto Trans Cooling Hose O-Ring
2003 Mercedes-Benz CLK320 Auto Trans Cooling Hose O-Ring
Body type: Coupe, Engine base: 3.2L V6, Sub model: Base
2004 Mercedes-Benz CLK320 Auto Trans Cooling Hose O-Ring
Engine base: 3.2L V6, Sub model: Base
2005 Mercedes-Benz CLK320 Auto Trans Cooling Hose O-Ring
Engine base: 3.2L V6, Sub model: Base
2003 Mercedes-Benz CLK500 Auto Trans Cooling Hose O-Ring
Engine base: 5.0L V8, Sub model: Base
2004 Mercedes-Benz CLK500 Auto Trans Cooling Hose O-Ring
Engine base: 5.0L V8, Sub model: Base
2005 Mercedes-Benz CLK500 Auto Trans Cooling Hose O-Ring
Engine base: 5.0L V8, Sub model: Base
2003 Mercedes-Benz CLK55 AMG Auto Trans Cooling Hose O-Ring
Engine base: 5.5L V8, Sub model: Base
2004 Mercedes-Benz CLK55 AMG Auto Trans Cooling Hose O-Ring
Engine base: 5.5L V8, Sub model: Base
2005 Mercedes-Benz CLK55 AMG Auto Trans Cooling Hose O-Ring
Engine base: 5.5L V8, Sub model: Base
2006 Mercedes-Benz CLK55 AMG Auto Trans Cooling Hose O-Ring
Engine base: 5.5L V8, Sub model: Base
2003 Mercedes-Benz E320 Auto Trans Cooling Hose O-Ring
2005 Mercedes-Benz E320 Auto Trans Cooling Hose O-Ring
2006 Mercedes-Benz E320 Auto Trans Cooling Hose O-Ring
2007 Mercedes-Benz E320 Auto Trans Cooling Hose O-Ring
2008 Mercedes-Benz E320 Auto Trans Cooling Hose O-Ring
2009 Mercedes-Benz E320 Auto Trans Cooling Hose O-Ring
2003 Mercedes-Benz E500 Auto Trans Cooling Hose O-Ring
2004 Mercedes-Benz E500 Auto Trans Cooling Hose O-Ring
2005 Mercedes-Benz E500 Auto Trans Cooling Hose O-Ring
2006 Mercedes-Benz E500 Auto Trans Cooling Hose O-Ring
2004 Mercedes-Benz E55 AMG Auto Trans Cooling Hose O-Ring
Engine base: 5.5L V8, Sub model: Base
2005 Mercedes-Benz E55 AMG Auto Trans Cooling Hose O-Ring
Engine base: 5.5L V8, Sub model: Base
2006 Mercedes-Benz E55 AMG Auto Trans Cooling Hose O-Ring
Engine base: 5.5L V8, Sub model: Base
2003 Mercedes-Benz E55 AMG Auto Trans Cooling Hose O-Ring
Engine base: 5.5L V8, Sub model: Base
2005 Mercedes-Benz SLK350 Auto Trans Cooling Hose O-Ring
Engine base: 3.5L V6, Sub model: Base
2006 Mercedes-Benz SLK350 Auto Trans Cooling Hose O-Ring
Engine base: 3.5L V6, Sub model: Base
2007 Mercedes-Benz SLK350 Auto Trans Cooling Hose O-Ring
Engine base: 3.5L V6, Sub model: Base
2008 Mercedes-Benz SLK350 Auto Trans Cooling Hose O-Ring
Engine base: 3.5L V6, Sub model: Base
2009 Mercedes-Benz SLK350 Auto Trans Cooling Hose O-Ring
Engine base: 3.5L V6, Sub model: Base
2010 Mercedes-Benz SLK350 Auto Trans Cooling Hose O-Ring
Engine base: 3.5L V6, Sub model: Base
2011 Mercedes-Benz SLK350 Auto Trans Cooling Hose O-Ring
Engine base: 3.5L V6, Sub model: Base
2005 Mercedes-Benz SLK55 AMG Auto Trans Cooling Hose O-Ring
Engine base: 5.5L V8, Sub model: Base
2006 Mercedes-Benz SLK55 AMG Auto Trans Cooling Hose O-Ring
Engine base: 5.5L V8, Sub model: Base
2007 Mercedes-Benz SLK55 AMG Auto Trans Cooling Hose O-Ring
Engine base: 5.5L V8, Sub model: Base
2008 Mercedes-Benz SLK55 AMG Auto Trans Cooling Hose O-Ring
Engine base: 5.5L V8, Sub model: Base
2009 Mercedes-Benz SLK55 AMG Auto Trans Cooling Hose O-Ring
Engine base: 5.5L V8, Sub model: Base
2010 Mercedes-Benz SLK55 AMG Auto Trans Cooling Hose O-Ring
Engine base: 5.5L V8, Sub model: Base
2006 Mercedes-Benz E350 Auto Trans Cooling Hose O-Ring
2007 Mercedes-Benz E350 Auto Trans Cooling Hose O-Ring
2008 Mercedes-Benz E350 Auto Trans Cooling Hose O-Ring
2009 Mercedes-Benz E350 Auto Trans Cooling Hose O-Ring
2006 Mercedes-Benz C280 Auto Trans Cooling Hose O-Ring
2007 Mercedes-Benz C280 Auto Trans Cooling Hose O-Ring
2006 Mercedes-Benz C350 Auto Trans Cooling Hose O-Ring
2007 Mercedes-Benz C350 Auto Trans Cooling Hose O-Ring
2006 Mercedes-Benz CLK350 Auto Trans Cooling Hose O-Ring
Engine base: 3.5L V6, Sub model: Base
2007 Mercedes-Benz CLK350 Auto Trans Cooling Hose O-Ring
Engine base: 3.5L V6, Sub model: Base
2008 Mercedes-Benz CLK350 Auto Trans Cooling Hose O-Ring
Engine base: 3.5L V6, Sub model: Base
2009 Mercedes-Benz CLK350 Auto Trans Cooling Hose O-Ring
Engine base: 3.5L V6, Sub model: Base
2006 Mercedes-Benz SLK280 Auto Trans Cooling Hose O-Ring
Engine base: 3.0L V6, Sub model: Base
2007 Mercedes-Benz SLK280 Auto Trans Cooling Hose O-Ring
Engine base: 3.0L V6, Sub model: Base
2008 Mercedes-Benz SLK280 Auto Trans Cooling Hose O-Ring
Engine base: 3.0L V6, Sub model: Base
2007 Mercedes-Benz CLK63 AMG Auto Trans Cooling Hose O-Ring
2008 Mercedes-Benz CLK63 AMG Auto Trans Cooling Hose O-Ring
2009 Mercedes-Benz CLK63 AMG Auto Trans Cooling Hose O-Ring
2007 Mercedes-Benz CLS63 AMG Auto Trans Cooling Hose O-Ring
Engine base: 6.3L V8, Sub model: Base
2008 Mercedes-Benz CLS63 AMG Auto Trans Cooling Hose O-Ring
Engine base: 6.3L V8, Sub model: Base
2009 Mercedes-Benz CLS63 AMG Auto Trans Cooling Hose O-Ring
Engine base: 6.3L V8, Sub model: Base
2010 Mercedes-Benz CLS63 AMG Auto Trans Cooling Hose O-Ring
Engine base: 6.3L V8, Sub model: Base
2011 Mercedes-Benz CLS63 AMG Auto Trans Cooling Hose O-Ring
Engine base: 6.3L V8, Sub model: Base
2007 Mercedes-Benz E63 AMG Auto Trans Cooling Hose O-Ring
Engine base: 6.3L V8, Sub model: Base
2008 Mercedes-Benz E63 AMG Auto Trans Cooling Hose O-Ring
Engine base: 6.3L V8, Sub model: Base
2009 Mercedes-Benz E63 AMG Auto Trans Cooling Hose O-Ring
Engine base: 6.3L V8, Sub model: Base
2007 Mercedes-Benz CLK550 Auto Trans Cooling Hose O-Ring
Engine base: 5.5L V8, Sub model: Base
2008 Mercedes-Benz CLK550 Auto Trans Cooling Hose O-Ring
Engine base: 5.5L V8, Sub model: Base
2009 Mercedes-Benz CLK550 Auto Trans Cooling Hose O-Ring
Engine base: 5.5L V8, Sub model: Base
2007 Mercedes-Benz CLS550 Auto Trans Cooling Hose O-Ring
Engine base: 5.5L V8, Sub model: Base
2008 Mercedes-Benz CLS550 Auto Trans Cooling Hose O-Ring
Engine base: 5.5L V8, Sub model: Base
2009 Mercedes-Benz CLS550 Auto Trans Cooling Hose O-Ring
Engine base: 5.5L V8, Sub model: Base
2010 Mercedes-Benz CLS550 Auto Trans Cooling Hose O-Ring
Engine base: 5.5L V8, Sub model: Base
2011 Mercedes-Benz CLS550 Auto Trans Cooling Hose O-Ring
Engine base: 5.5L V8, Sub model: Base
2007 Mercedes-Benz E550 Auto Trans Cooling Hose O-Ring
2008 Mercedes-Benz E550 Auto Trans Cooling Hose O-Ring
2009 Mercedes-Benz E550 Auto Trans Cooling Hose O-Ring
Product match fitment

Mercedes Auto Trans Cooling Hose O-Ring (C230 C240 E500) - Genuine Mercedes 0199975745

Brand:
Genuine mercedes logoGenuine Mercedes
SKU #:
MER-0199975745
Part:
Auto Trans Cooling Hose O-Ring
OE Numbers:
A0199975745
FCP ID:
421378
$4.19 MSRP: $5.09
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