Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

903519 Removing and installing gateway control unit


WM 903519 Removing and installing gateway control unit

Technical values





Preliminary work

1. Remove rear left part of C-pillar trim.-> 706819 Removing and installing C-pillar trim - section on "Removing" 706819 Removing and installing C-pillar trim

Removing gateway control unit

1. Loosen the two fastening nuts -1- on the gateway control unit and remove the control unit.





Removing gateway control unit

2. Release electric plug connection -a- and pull it off the control unit.





Pulling off electric plug connection

Installing gateway control unit

1. Connect the electrical plug, pressing on until it clicks into place.





Connecting electrical plug connection

2. Position the control unit and secure with the two fastening nuts -1-.=> Tightening torque: 2 Nm (1.5 ftlb.)





Installing gateway control unit

Subsequent work

1. Install rear left part of C-pillar trim. -> 706819 Removing and installing C-pillar trim panel - section on "Installing" 706819 Removing and installing C-pillar trim