285 589 00 21 00 Cooler vacuum filling device - WS20.00-P-0030B
WARNING: This page is about a different car, the 2009 Mercedes-Benz E550 and 2008 Mercedes-Benz E550. However, it is still accessible from the selected car via links, so may be relevant.
FG 08/20/54/Set B
MODEL all
Use:
Vacuum-type cooling system filler for cooling circuits (bubble-free), with integrated leak test.
NOTE:
On model 639 with code MA0 (E-CELL 60 kW) in combination with 450 589 07 21 07 Adapter and 639 589 00 91 00 Tester cap