This tensioner idler timing belt kit is designed for 3.0L V6 and diesel engines, including vehicles equipped with the OM642 engine.The kit includes all necessary components for timing system maintenance and is engineered to meet specifications for proper fit and function.Compatible vehicles include: - CLS (C218) CLS 350 / d (218.323, 218.393) from Jan-11 to Aug-14 - Cherokee III (WH, WK) 3.0 CRD 4x4 from May-06 to Dec-10 - Sprinter 3.5-t Bus (906) 318, 319 / BlueTEC, 2500 variants from Feb-08 to Dec-09 and Mar-09 onward - Sprinter 3.5-t Van (906) 319 / BlueTEC 4x4 from Mar-09 - R-Class (W251, V251) R 350 4MATIC (251.023, 251.123) from Aug-10 to Dec-14 - C-Class (W204) C 300 4MATIC (204.092) from Jan-11 to Jan-14 and C 350 (204.023) from Jun-11 to Jan-14 - Vito / Mixto Van (W639) 122 from Sep-10 - Vito Bus (W639) 122 from Sep-10 - Viano (W639) 3.0 (639.811, 639.813, 639.815) from Jul-10 - V-Class (W639) 3.0 from Jul-10 - (W221) S 350 BlueTEC and S 350 BlueTEC 4MATIC (221.026, 221.126, 221.083, 221.183) from Apr-11 to Dec-13 - E-Class (W212) E 300 / BlueTEC (212.020, 212.021, 212.027) from Mar-11 to Dec-15 - E-Class Coupe (C207) E 350 (207.323) from Jun-11 to Jun-13 - GLK-Class (X204) 350 4MATIC (204.992) from Feb-10 to Jun-15 - G-Class (W463) G 350 and G 350 BlueTEC from Jul-11 - GL-Class (X164) GL 350 4MATIC (164.823) from Oct-10 to Aug-12 and GL 320 4MATIC (164.822) from Sep-06 to May-09 - M-Class (W164) ML 280 4MATIC (164.120) and ML 320 4MATIC (164.122) from Jul-05 to Jul-09 - E-Class (W211) E 280, E 320, and 4MATIC variants (211.020, 211.022, 211.084, 211.089) from Mar-05 to Dec-08 - E-Class T-Model (S211) E 280 T, E 320 T and 4MATIC versions (211.220, 211.222, 211.284, 211.289) from Mar-05 to Jul-09 - CLK (C209) 320 (209.320) from Jan-05 to May-09 - C-Class (W203) C 320 (203.020) from Jan-05 to Feb-07 and C-Class T-Model (S203) C 320 (203.220) from Jun-05 to Aug-07 - CLS (C219) CLS 320 (219.322) from Jan-05 to Dec-10 - 300C (LX, LE) 3.0 CRD from Sep-05 to Nov-12, including Touring variants up to Dec-10 - XK, XH 3.0 CRD 4x4 from Apr-06 to Dec-10 Components are built to match dimensions and performance standards, enabling direct replacement of worn or damaged factory parts.This kit supports of the engine timing system under normal service conditions.