639 589 01 91 00 Test cap - WS20.00-N-3036B
WARNING: This page does not describe the selected car, but rather 33 other vehicles, including the 2016 Mercedes-Benz E63 S AMG, 2016 Mercedes-Benz E400, 2016 Mercedes-Benz E350, 2016 Mercedes-Benz E300, and 2016 Mercedes-Benz E250. However, it is still accessible from the selected car via links, so may be relevant.
ENGINES 629, 642
ENGINES 112, 272, 642, 646, 651 in MODEL 639
ENGINES 271, 272, 642, 646, 651 in MODEL 906
ENGINES 272, 646 in MODEL 636
FG 20/Set B
Use:
Test cap to check for leaks in the radiator cap together with the testing unit 124 589 24 21 00.