Mercedes W211 all keys lost solution: VVDIprog + VVDI MB = Success! Xhorse engineer 5 years ago Done! mercedes W211 all keys lost – success! Steps: 1- read with vvdi prog 2- load dumb to vvdi Mb 3- prepare keys 4- write key 5- start the car No need to write back dump Images: credits to ameer Related posts: Mercedes W207 2012 All Keys Lost: Done with VVDI MB! VVDI2 VAG All Keys Lost Add New Key Success & Failure VVDI Prog and Mercedes Sprinter 1998: Success! 2006 R350 all keys lost: DONE with VVDIProg and VVDI MB