i am going to take a stab at this and say no. i think they are different engines. the 240D has a OM616.912 and the 300SD has a OM617.950.

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-Trevor

OBK #12
1980 300SD 333,XXX miles - Totaled
1986 Mazda RX-7 212,XXX miles - impounded and auctioned off
2005 Jeep Liberty CRD Limited 33,000- SEGR, Provent, Fumoto