No it doesn’t. MB229.5 doesn’t have LSPI test and all current engines use MB229.51/52 if FE oils are not satisfactory like MB229.71 and MB229.61.Mercedes Benz does not have problems with high saps oils used in their DI engines. They offer the best engine protection - in 229.5, engine protection takes precedence over exhaust treatment equipment protection.
Also, yes MB also has CBU issues.