Preparations:- Disassemble the plastic entrance covers with the standard illuminated entrance panels front/ rear left & right.If the vehicle also is equipped with a rear door entrance panel perform the assembly according to the specific installation guide, parallel to the assembly of the door entrance panels.- Disassemble the glove box according to Mercedes workshop instructions (WIS).- Disassemble the left and right lower dashboard cover. Loosen the left and right lower b-pillar trims.