273 589 00 91 00 Adapter - WS09.00-P-0014B
FG 09/Set B
ENGINE 272, 273
Use:
Adapter for leaktightness testing of the charge air system.
NOTE:
Use only in combination with leak tester 611 589 02 21 00 and gasket A 272 094 00 80 of intake manifold.

Courtesy of MERCEDES-BENZ USA