W124: Flex disks can look great from the outside. Once you unbolt them you wonder how it was still staying together.

W210: Replace the tank actuator, it is leaking (well make sure the hose isn’t leaking first). Note that the PSE will set a fault code (only readable with HHT or the emulator in Xentry) for pump overrun.

__________________
The OM 642/722.9 powered family
Still going strong
2014 ML350 Bluetec (wife's DD)
2013 E350 Bluetec (my DD)

both my kids cars went to junkyard in 2023
2008 ML320 CDI (Older son’s DD) fatal transmission failure, water soaked/fried rear SAM, numerous other issues, just too far gone to save (165k miles)
2008 E320 Bluetec (Younger son's DD) injector failed open and diluted oil with diesel, spun main bearings (240k miles)

1998 E300DT sold to TimFreeh
1987 300TD sold to vstech