New Joint Kit, drive shaft - suitable for MERCEDES-BENZ R-CLASS (W251, V251) R 350 CDI 4-matic (251.022, 251.122) (07/2009-12/2012). ITEM SPECIFICS: Fitting Position : transmission side Fitting Position : Front Axle Right Weight [kg] : 4,44 Outer teething differential side : 37 Int. VEHICLE SPECIFICS: MAKE : MERCEDES-BENZ MODEL : R-CLASS (W251, V251) BADGE : R 350 CDI 4-matic (251.022, 251.122) Power Kw : 165 Horsepower : 224 Engine CC's : 2987.