Both AK500+ and AK500 Pro are popular Mercedes Benz Key Programmer. Then Buy AK500+ with SKC Calculator or buy Mercedes AK500 Pro,which better ? Given to this problem,today, AUTOCARDIAG.com official blog will make a comparison between these two key programmers to help users better pick up right tool for Mercedes Benz cars. About AK500+ AK500+ Key Programmer with EIS SKC Calculator and can support most Benz before year 2009. About AK500 Pro Super Mercedes Benz Key Programmer AK500 Pro is a powerful and professional key programmer for Mercedes Benz.As you maybe known,currently,Mercedes AK500 Pro is also the only machine in the world that have KEY-LESS go writing function and Support calculating key only need EIS data,no need to remove ESL/ESM/ECU and an supports Mercedes Benz cars to 2011. Mercedes Benz Key Programmer AK500+ VS AK500 Pro The Commons : 1.Professional key programmers for Mercedes Benz. 2.Computer system requires: XP system 3.Need to close anti-virus on computer before using. 4. Updated by CD/Email The Different : 1.Used different PCB,see pix show 2There is no 8-pin EEPROM adapter holder in AK500+ with SKC, it only needs to read out EIS data and send the data to SKC calculator to calculate so…