C 230 (202.023) L4-2.3L (111.974) (1998)
Camshaft: Specifications
Camshaft Timing
Camshaft Timing Specifications
Camshaft Code Number And Allocation
Engine 111.973 (Supercharged Engine)
Inlet .......................................................................................................................................................................................... Camshaft Code: 18
Exhaust .................................................................................................................................................................................... Camshaft Code: 34
Engine 111.974 (Normally Aspirated)
Inlet .......................................................................................................................................................................................... Camshaft Code: 30
Exhaust .................................................................................................................................................................................... Camshaft Code: 31
Camshaft Timing
Engine 111.973 (Supercharged Engine)
Timing of inlet valve with 2 mm valve lift and new timing chain
Opens after TDC °CA ............................................................................................................................................................................ 20±2°
Closes after BDC °CA ......................................................................................................................................................................... 29.5±2°
Timing of exhaust valve with 2 mm valve lift and new timing chain
Opens before BDC °CA ...................................................................................................................................................................... 29.3±2°
Closes before TDC °CA ......................................................................................................................................................................... 14±2°
Engine 111.974 ((Normally Aspirated)
Timing of inlet valve with 2 mm valve lift and new timing chain
Opens after TDC °CA ............................................................................................................................................................................ 30±2°
Closes after BDC °CA ......................................................................................................................................................................... 26.5±2°
Timing of exhaust valve with 2 mm valve lift and new timing chain
Opens before BDC °CA ........................................................................................................................................................................ A4±2°
Closes before TDC °CA ......................................................................................................................................................................... 10±2°