What a buy! Nice looking vehicle. Thorough cleaning of interior makes sense, so does charcoal, but the stale smoke is all throughout the fresh air system, so I fear that unless you add cleaning out the heater core and replacing the A/C evaporator, it'll linger forever.

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1988 California version 260E (W124)
Anthracite Grey/Palomino
Owned since new and still going strong and smooth
MBCA member

Past Mercedes-Benz:
1986 190E Baby Benz
1967 230 Inherited from mom when she downsized
1959 220S Introduced me to the joys of keepin' 'em goin'

There are only 10 kinds of people in the world--those who understand binary and those who don't