The 4-cylinder W202 are noisy, and I think they get only marginally better fuel economy.

Here's a nice one and it's local to us. http://cgi.ebay.com/ebaymotors/Cars-Trucks___1998-MERCEDES-C280-ONE-OWNER-NEW-CAR-IMMACULATE_W0QQitemZ150317413900QQddnZCarsQ20Q26Q20TrucksQQddiZ2282QQcmdZViewItemQQptZUS_Cars_Trucks ?hash=item150317413900&_trksid=p4506.c0.m245&_trkparms=65%3A-2|39%3A1|240%3A1318

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'94 E320 with 272,000 miles. '92 500SEL 133,000 miles.
Mods to the '94: TomTom GPS in place of ash tray, Auto Dimming Mirror ,Memory seat, DEI 545T Auto lamps, DEI 530T Auto Up/Down Windows, DEI Remote Start, Motorola Bluetooth® Car Kit, Built in phone charger using factory phone wiring, RainTracker Rain sensing wiper, Keyless Entry, Ambient lighting of center storage compartment. Soon: factory heated seats, REST
Mercedes-Benz is my addiction of choice.
http://www.youtube.com/vanwiek