Tag Archives: vvdi mb tool

How to Program Mercedes W166 ML250 Remote by VVDI MB

This is a write-up of how to use VVDI Mercedes key programmer to program a remote BGA key to Benz W166 ML250 .



Xhorse vvdi mb bga tool and a laptop to run vvdi mercedes software (here ver.2.1.1)

The steps of w166 key programming… Here you go.


run VVDI-MB Tool software

go to EIS Tools, then read and save EIS data

go to Password calculation for Data acquisition (5 minutes around)

in the process, it’s necessary to insert the key to EIS & VVDI MB Tool; just follow the pop-ups

finish data acquisition.

then Upload data to send acquisition data, and copy the key password for later use

back to EIS Tools

read EIS data and paste the key pass. as EIS key info, then save data

go to Prepare key file

first Load EIS file, then Prepare key file (select v051)

go to Read write key

here you should have a blank key to write data

writing data successfully

then do key identification, the key status is Unuse

inset the new key to the EIS to synchronize

insert the key and turn on for 2 times

try to start

wait for key initialisation

initialised successfully

test the remote… also ok


VVDI MB BGA Tool successfully programmed a key to Mercedes W166!


FAQ V2.0.8 VVDI Benz MB BGA Tool

Here are all frequently questions and answers about Mercedes key programmer – VVDI MB BGA Tool with 2.0.8 software by the Xhorse company, which is mainly used for key reading and writing, EIS tools, password calculation, key file preparing, ESL tools, ECU/Gearbox renew and many special functions


A: Where to get the latest Benz key tool software?

Q: obdii365.com offers the newest software for free.

Now, vvdi mb tool 2.0.8.rar with PASS:123456:




A: Sometimes when i working with software, the pc shows a blue screen then restart …
I tested on 3 pc and laptop with OS Xp and 7 (32bit)

Q: That’s driver issue,manually install driver or change another version driver try again.



A: Pinouts for ECU A271 153 23 91, where to get?

Q: connection diagram:
type 1(pin/name) ——–//———- type2 (pin/name)
B-2 / GND —————-//———— B-4 / GND
B-3 / +12V —————//———— B-1 / +12V
B-15 / +12V————–//————- B-52 / +12V
B-41 / CAN-H ————//————- B-42 / CAN-H
B-54/ CAN-L ————-//————- B-41 / CAN-L
B-41 AND B-54 connect 120R—//——B-42 AND B-41 connect 120R



A: Just make a W204 with benz vvdi with a BE key. everything went ok key is working and all.
only problem is that only the driverside door unlock when i lock the car with the key make by vvdi and if i push 2x the unlock button then all doors lock.(selective locking).
the Original key lock and unlock all doors by 1x push.

Q: hold open and close button until led lights



A: now vvdi mb tool cannot support write keyless go?

B: currently only support normal key, but it will support keyless go after a short time



A: Does it allso cost token for calculate older keys motorola nec key or is it only bga keys ?

Q: online calculation get password support all CAN line protocol EIS,about K line protocol cannot support online calculation.
about old Motorola EIS you should remove EIS get eeprom,load to VVDI MB TOOL then prepare key file.



A: Can I program new BGA Mercedes remotes with VVDI? can i renew ESL in W204 ?

Q: you can get password from BGA keys and renew ESL , ECU , ISM , Gear …. for free


A: what versions can NEC Key Adaptor support?
(Without soldering/ Without wire jumper/ Not need other adaptor)
Updating support more versions
Support v51 v57 get password directly
Support normal keys v28 v35 v40 v51 v57 renew on board
Support keyless go keys v03 v06 v07 v08 v09 v61 renew on board
Support normal keys v28 v35 v40 v51 v57 write key file by IR or on board
Support keyless go keys v03 v05 v06 v07 v08 v09 v59 v61 write key file by IR or on board
Notes: NEC Key Adaptor is optional,renew ESL adaptor under developing,will be released later.