I'll sell you my 85 380SE, w/105K, for $5500. No cuts ,cracks, stains on seats or dash. One tiny dent on drivers door. All service history since new, etc, etc.
Used as my daily driver--solid quiet and uses regular gas.

My daughter lives in The Woodlands and I'll drive it down. There is no way I would buy the W140 in condition you mentioned. My long history in buying cars is that cosmetic condition generally predicts over all care.

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95 E420 ( 76K) SOLD
85 380SE(125k)
95 SL500(72k)