The following are resources I've used and been happy with their level of customer services and competitive prices. Mercedes SLK230 SLK Tech Manual - Manual with pictures showing various mechanic components. SLK Parts List - Parts diagrams with part numbers Mercedes C230 Kompressor Coupe ASP Racing - Makes pulley kits for many cars at reasonable prices. Ask for Lee. D2 Technic - Installed Eibach springs in my car in 1 hour while I waited, nice showroom, lots of wheels, mufflers, etc. In Alahambra, CA. Ask for Dee. Eurosport - ITG airfilters - ask for Josh GIAC - Chip tuning Takakaira - Blow Off Valve for C-Coupe Hoehn Mercedes - Wholesale prices on MB parts. Ask for the wholesale parts counter. OBDII Scan Tool - OBD-2 scanning software for your Windows laptop. Click here to see all the possible codes for MB. German Ebay - Great source of MB stuff not available in the U.S. like the MB Audio 10. Use babelfish.altavista.com to translate the webpage. To search for the Audio 10 CD just enter that in the search box. For the current body C-class make sure the radio is for the W203 and has a roundish look like your factory radio and not the squarish one used in other MB models. Also, ask the seller ahead of time if they speak english and if they will ship to the U.S. Most do even though they say Germany only on their auction. Speed Toys - Porterfield brake pads at discount prices and drop shipped from Porterfield. Ask for Geof Mohler. Mercedes Forums BenzForum BenzWorld BnzSport MBWorld Digital Cameras BuyDig - Excellent prices, quick shipping. Davro - Best Photoshop tutorials Digi Photo - Best local lab, great prints DPReview - Digital camera reviews and great forums. Steve's Digicams - Digital camera reviews. etc... Froogle Google - Low price search Google Language Tools - Foriegn lanuage translator Techbargains - Daily updates on the best hi-tech bargains RightWay - Homeowners Association Property Management