Laser 6440 Air Conditioning Service Tool for Mercedes Benz

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