I just saw where you said he wants 2000. That's a bit high, especially with 225K, unless you can verify that the chain and guides have been redone recently. If so, and if everything else is in great shape, then 2000 would probably be fair.

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08 W251 R350
97 W210 E320
91 W124 300E
86 W126 560SEL
85 W126 380SE Silver
85 W126 380SE Cranberry
79 W123 250
78 W123 280E
75 W114 280