Repair procedures for Mercedes include...disassembly, reassembly and some diagnosis. Areas covered are suspension systems, front and rear axles, steering, driveshaft, wheels, brakes, brake power booster and vacuum pump, engine electrical, body and chassis electrical, detachable body components, doors, glass and windows, sunroof, seats, interior covers and linings, and central locking system. The engine sections cover crankcase and cylinder head, crankshaft, valve timing, fuel injection systems, air cleaner, belts, intake and exhaust manifolds, emission systems, engine electrical and ignition system, lubrication system, cooling system, motor mounts, throttle controls, fuel tank and lines, and exhaust system. The A/C section covers components, operation, diagnosis, removal and installation. The electrical section covers ABS brakes, electric antenna, central lock system, electrical component locations, cruise control, A/C climate control and approximately 60 other electrical components and systems as well as providing all electrical diagrams. Macromedia Shockwave FlashTM and Acrobat Reader are provided on the CD for Windows 95/98/NT . Minimum system configuration-Pentium 90 or better, 16MB ram or better, 4X CD-ROM drive, 8-bit color display at 800 x 600 pixels, Internet Web browser 3.0 or above. Recommended system configuration- Pentium 166 or better, Windows 95/98NT, 32MB RAM or better, 8X CD-ROM drive, 16 or 24 -bit color display at 1024 x 768 pixels, SoundBlaster compatible sound card, Internet Web browser 4.0 or above. For DVDs you must have a DVD ROM drive to access the information. Please note that CDs and DVDs are non-returnable.