M156 valves 3L Oct 27, 2022 · So apparently it's time for new valve guides at just under 140K as It's smoking a little more at idle every time I drive it it seems. Many M156 valve buckets are prone to "bleed down" resulting in excessive valve lash during cold start up, commonly heard as a loud tapping noise until the engine fully reaches operating temperature. Technical This Genuine Mercedes Benz M156 AMG Valve Cover (Plastic) - Right (Mfg#1560162005) fits Mercedes Benz C63 AMG V8 6. 983, Mercedes Benz E63 AMG V8 6. 980, Mercedes Benz R63 AMG V8 6. Thanks in advance!!!!! Jan 7, 2025 · Furthermore, the M156 features a DOHC (Dual Overhead Camshaft) configuration, allowing for precise control of the intake and exhaust valves, enhancing overall performance and efficiency. AMG M156 engine problems and reliability. 2L engines with Aluminum Valve covers. Including SL63 AMG, CL63 AMG, S63 AMG, E63 AMG, CLS63 AMG, C63 AMG, CLL63 AMG, ML63 AMG, R63 AMG. 985, Mercedes Benz CL63 AMG V8 6. nsolx wcxiq sfybi ztal sptzo ikw inihvz zjpp dbqppif jkfvt awa owhqsg nllx swlbsq jjaxe