(18-01-2019) Free download VVDI MB Tool V4.7.0 for Mercedes W164 W221 W251 all keys lost:
Password: 123456
Date: 2019-01-18
Version: 4.7.0
Firmware requirement: VVDI MB V4.5.0
Highlight: VVDI MB new release V4.7.0 can do as of now
W164 M/ML-Class and W221 S-Class W251 R-Class all key lost
Released notes:
1. This update no need update the firmware
- Password calculation for ALL KEY LOST:
Support W164/W251(-2009), W221 calculate password when all key lost:
a. Support W164/W251(-2009) get key password with slow method (All KEY LOST, 25minutes-1.5hour)
b. Support W221 get key password with VVDIMB Power Adapter (All KEY LOST, no need re-insert IR, 15minutes)
c. Support W221 get key password with slow method (All KEY LOST, 25minutes-1.5hour)
EIS (FBS3) list: all keys lost
VVDIMB support all key lost EIS type (FBS3) as listed below
W166, W197, W212, W218, W246,W172, W204, W207,W216
W164, W251 (-2009)
W164, W251 (2009-)
W169, W209, W211
W202, W208, W210
W203, W463, W639
W639(2009-)W906
W221
VVDI MB car list: all keys lost (full, updated 19-01-2019)
VVDI MB supports the following models all keys lost and can program new keys without soldering:
W166 W197 W212 W218 W246
W172 W204 W207
W216
W164 W251 (-2009)
W164 W251 (2009-)
W221
W169 W209 W211
W202 W208 W210 W203 W463 W639
W639 (2009-)
W906
Test: Tested Successfully by one of customers
VVDI MB V4.7.0 confirmed MB W221 AKL All Keys Lost tested successfully by one of our prominent customers here in Libya 
This perhaps could be the 1st W221 In the world 
