From: http://www.mercedesshop.com/shopforum/showpost.php?p=628012&postcount=20 Snap-on's new 2003 M-B cartridge for the MT-2500 addresses some of the aforementioned complaints. Improvements over the 2001 module include: * Automatic version coding for engine and transmission control module replacement * Additional Engine Management Systems: ME-SFI 2.7.5, 2.8.1 and SIM4/LE * Transmission Systems: EGS 5.2 (2002-2003) * Air Bag Systems: ZAE, AB2 * Electronic Shift Control Modules: EWM203, EWM210, & EWM220 * Climate Control Systems: KLA, TAU * Electronic Actuator, Cruise Control, Idle Speed Control Module (EA/CC/ISC) * ML Transfer Case: 1998 - 2003 An MT-2500 and 2003 M-B cartridge pack is available from M-B's SSEP Catalog (www.startekinfo.com) for $1611. This combination is not offered by Snap-on's retail dealers.