Interestingly, the pdf references the 380, 420, 560, and 600 Mercedes engines as alusil, yet I've never heard of this problem with MBZ before. My 560SEL experience has been pretty bulletproof, same with 380SE - I'm on my second one now. Has anyone out there had any issues with this on their MBZ engine?

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08 W251 R350
97 W210 E320
91 W124 300E
86 W126 560SEL
85 W126 380SE Silver
85 W126 380SE Cranberry
79 W123 250
78 W123 280E
75 W114 280