I submitted my receipts for an SBC pump replacement that was done at an indy and MB refunded the full amount. In the end, MB paid less than what it would have cost at the dealership.

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1986 300E (3/2002) Rear ended and totaled (10/2009)
2000 Xterra (5/2000)
1992 400E (11/2009) -Sold
1986 300E (12/2009) - Sold
2004 E500 Wagon (6/2013) - Sold