Mercedes Key Programmer AK500+ or AK500 Pro?

As for Mercedes-Benz key programming, which one should you take? Ak500 key programmer or Ak500 pro key machine?

Products AK500+ key programmer AK500 Pro key programmer
Figure Mercedes Key Programmer AK500+ or AK500 Pro? Mercedes Key Programmer AK500+ or AK500 Pro?
Read & write EIS Yes, no issues on HC705/HC908/HC912/9S12 Yes, no issues on HC705/HC908/HC912/9S12
MB original factory key calculator No Yes
Remove ESL/ESM/ECU Yes, it needs to remove ESL/ESM/ECU to synchronize data No need to remove ESL/ESM/ECU

Support calculating key only need EIS data

Write old model big keys No, it doesn’t support infrared write old model
big key (Motorola CPU)
Yes, it supports infrared write old model big key
(Motorola CPU)
Program infrared keys Yes, it program infrared keys for Mercedes Benz from1998 to 2005 Yes, it program infrared keys for all Mercedes from 1998 to 2011
Program W203 W211 keys No Yes, it supports MB W203/W211 key programming with
ECU flash 29F400 and 29F800
Read & write “Key-less go” Key  No Yes, it supports reading and writing “Key-less go” key
Reset SBC computer Yes, but not via OBD to read and write SBC EEPROM Yes, it can read and write SBC EEPROM via OBD.
Support EGS No, it doesn’t support EGS which is 722.9 type
of gearbox computer
Yes, it supports EGS which is 722.9 type of gearbox computer
Need database Yes, it needs 320G database to support ESL fast unlocks No need database and supports ESL fast unlocks


In sum,


1) AK500 with SKC (SK110) has no 8PIN EEPROM adapter holder, because AK500+ with SKC only needs to read out EIS data and send the data to SKC calculator to calculate, then complete key matching;
The old version AK500 has 8PIN EEPROM adapter holder to help read and write ESM data, because AK500 needs to de-solder EIS, ESM and ESL ECU when it makes Mercedes Benz key.

2) AK500 with SKC (SK110) support more car models than old version AK500.

3) AK500 pro can’t make key if without SKC calculator; while old version AK500 pro can make key.

4) AK500 pro with SKC calculator doesn’t contain external EEPROM (M95xxx), so it does not need to deal with M95xxx, because AK500+ pro contains SKC calculator, after ak500+ read out EIS data and send it to SKC calculator to calculate, the key data is acquired; The old version AK500 key Pro contains 95XXX, AK500 need to remove chip 95XXX and weld it on the 95XXX adapter.

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