Glavni valj (Dajalnik), sklopka izdelek od proizvajalca TRW. Izdelek s številom TECDOC PND274
A-CLASS, B-CLASS Sports Tourer, C-CLASS, C-CLASS T-Model, CLA, CLA Shooting Brake, E-CLASS, E-CLASS T-Model, GLA-CLASS, GLK-CLASS
2042900012, A2042900012