to follow up... when he got the car there were different tires on the front and back. same size but the fronts were new and the backs were pretty worn out. not a lot of tread left on he back.

Since getting new tires on the back this problem has not returned.

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Current fleet
2006 E320 CDI
1992 300D - 5speed manual swapped

former members
1984 300D "Blues Mobile"

1978 300CD "El Toro"