Loosening Main Wire Harness In Luggage Compartment At The Right
NOTIFICATION
Incorrect handling of main wire harness
- Risk of damage to lines
→ The main wire harness contains all airbag lines, antenna lines and optical waveguides.
→ The main wire harness must not be separated and is always replaced as a complete wire harness when carrying out extensive repairs.
→ If individual lines are damaged, shut off these lines and install new lines. Lay the new lines along the main wire harness and secure them to the main wire harness.
Information
Always comply with the regulations for handling ESD-sensitive components!
- Always wear approved work clothes and shoes when carrying out assembly work.
- Do not remove new parts from ESD (electrostatic discharge) protective packaging until shortly before installation.
- Do not touch electric pins and plug contacts.
- Disconnect vent hose -2-
and electric plug connection -1-
.
Vent hose
- 1.1 Release and disconnect electric plug connection -1-
on voltage converter for Start/Stop.
> 270419 - REMOVING AND INSTALLING VOLTAGE CONVERTER FOR START/STOP
- 1.2 Pull vent hose -2- out of grommet.
- 1.1 Release and disconnect electric plug connection -1-
on voltage converter for Start/Stop.
- Disconnect fuse box -1-
and ground line.
Relay carrier
- 2.1 Loosening fuse box -1-
in luggage compartment at the right.
> 978409 - LOOSENING AND SECURING FUSE BOX - PORTION ON "LOOSENING"
- 2.2 Screw off fastening nut -2- and remove ground line from ground point.
- 2.1 Loosening fuse box -1-
in luggage compartment at the right.
- If installed:
Release and disconnect electric plug connections on the trailer hitch control unit.
> 669619 - REMOVING AND INSTALLING TRAILER HITCH CONTROL UNIT
- Release and disconnect electric plug connection on the electric parking brake control unit.
> 466219 - REMOVING AND INSTALLING CONTROL UNIT FOR ELECTRIC PARKING BRAKE
- If installed:
Release and disconnect electric plug connections on the ParkAssist control unit.
> 917419 - REMOVING AND INSTALLING CONTROL UNIT FOR PARKASSIST
- Release and disconnect electric plug connections -1-
and antenna connectors -3-
and unclip them from holder -2-
.
Electric plug connections
- Release and disconnect electric plug connection on the rear right seat-belt pretensioner.
- Release and disconnect electric plug connection on the right head airbag unit.
- If installed:
Release and disconnect antenna line -1- and electric plug connection -3- on the radio receiver for auxiliary heating -2- .
Antenna lead
- Release and disconnect antenna line -1-
on the right antenna amplifier -2-
.
Antenna lead
- Release and disconnect electric plug connection -1-
on the rear right roof pillar and loosen it from holder -2-
.
Electric plug connection on rear right roof pillar
- Only for vehicles with air suspension:
Electric plug connection for rear right shock absorber
- 12.1 Release and disconnect electric plug connection -1- on the rear right spring strut.
- 12.2 Press grommet -2- into the passenger compartment.
- Release and disconnect electric plug connections.
Electric plug connections
- 13.1 Release and disconnect electric plug connection -1- on the parking brake actuator.
- 13.2 Release and disconnect electric plug connection -2- on the brake pad wear contact.
- Release and disconnect electric plug connection on the rear right speed sensor.
> 451555 - Replacing rear speed sensor
- If installed:
Release and disconnect electric plug connection on rear right level sensor.
- Unclip main wire harness in luggage compartment at the right - sub-part for rear right wheel housing - from all holders and carefully guide it into the luggage compartment.
- Unclip main wire harness in luggage compartment at the right from all holders.