272 589 00 91 00 Threaded adapter - WS01.00-P-0125B
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.
ENGINE 152, 156, 157, 159, 270, 271/951, 272/979, 273, 276, 278
ENGINE 274 in MODEL 204
FG 01/05 Set B
Purpose:
Threaded adapter with threaded terminal M10 1 inside to M12x1.25 outside for the pressure loss test equipment from Bosch.