Look at following pictures which show some important procedure on how to replace ELV simulator with vvdi mb tool + MB EIS Test platform when Benz GLK ESL damage.
Tools to use:
MB EIS Test platform
Benz model for example:
Benz GLK 350
Procedure (with couple of pictures)
UOBDII All rights reserved Benz GLK ESL damage, replace ELV simulator with vvdi mb tool (with pics)