Date registered: Oct 2004
Vehicle: 2010 S550, 2005 S500 4-Matic (sold), 1978 450SL "Christine" (sold)
Location: Tampa, Florida
Mentioned: 3 Post(s)
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Quoted: 79 Post(s)
You didn't tell us where you live - information that can affect the market for the car.
However, entering kbb with my zip code, a car with that mileage is worth about $7600 in "fair" condition from a private seller - which is perhaps the best it would be rated now.
Plan on a minimum of $550 parts & labor to replace upper front strut seals, if that's all that's wrong. Arnott offers new replacement struts that have much better airbags and seals than OE - $800 each for new, $400 each for remanufactured. A new Airmatic pump is about $300, plus as much again for labor.
Since you are doing your own work, you could make the airmatic repairs yourself for between $150 (seals only) to $2,000 (remo) or $3500 (all new).
The exhaust system may need replacement - or just new hangers. $50 to $1500.
Check out the car's electronics! See if the COMAND and nav work; see if the audio system works. It's likely you'll need an entirely new phone retrofit (depending on what you have now, it could run from a $500 to $750 DIY). Check that control switches work (if none of the dashboard switches work, you're looking at replacing SAMs, $600 each and there are 3 of them). Check your window and seat controls (if they don't work, it's door control modules one per nonworking door, - around $300 each).
Add up the cost of problems, and subtract from $7600.
2005 S500 4-Matic
Last edited by Skylaw; 03-11-2010 at 07:06 AM.