6440 Air Conditioning Service Tool - for Mercedes-Benz
Mercedes-Benz air conditioning service tool, used to remove and refit the receiver/dryer cartridge in the air conditioning condenser - an essential tool when servicing or opening up the A/C system.
- Applications include: Mercedes-Benz W203 (2001 - 2007, C-class), W209 (2003 - 2009 CLK-class) and R171 (2005 - 2011 SLK-class).
- Equivalent to OEM 203 589 001 000.
- 1/2” x 27mm external Hex.
- Equipped with a detente hole for a more secure fit on the wrench.
- The receiver dryer cartridge should be replaced every couple of years on all cars but particularly when the A/C system has been opened up or is about to be refilled.