I put a 6' long or so dresser in (3 drawers per side, 2 side) into the back to haul to goodwill. Did it behind my seat even. I have also moved washer / dryer and I be you could get a fridge in there.

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1995 E420 Schwarz
1995 E300 Weiss
#1987 300D Sturmmachine
#1991 300D Nearly Perfect
#1994 E320 Cabriolet
#1995 E320 Touring
#1985 300D Sedan
OBK #42