SLK 230 (170.449) L4-2.3L SC (111.983) (2001)
Camshaft Bearing: Application and ID
Identification of Camshaft Bearing Caps
When installing the camshaft bearing caps, pay attention to the numbering and re-install the camshaft bearing caps at the same point.
The camshaft bearings are numbered consecutively with the digits 1 -10, beginning at the front of the exhaust camshaft.
The digits are stamped in the bearing caps with embossed numbers and cast in the cylinder head.