691219 Removing and installing rear three-point belt
WM 691219 Removing and installing rear three-point belt
Technical values
Preliminary work
Preliminary work for removing and installing rear three-point belt at the left and right
1. Disconnect the battery. -> 2X00IN General information on disconnecting the battery Procedures
2. Remove side trim panel for rear luggage compartment. -> 700319 Removing and installing side trim panel for rear luggage compartment - section on "Removing" Service and Repair
Preliminary work for removing and installing rear three-point belt at the centre
1. Remove rear seat. -> 724819 Removing and installing rear seat - section on "Removing" 724819 Removing and installing 1/3-split folding rear seat 724819 Removing and installing 2/3-split folding rear seat
2. Remove padding on 2/3-split folding seat backrest. -> 747219 Removing and installing padding for 2/3-split folding seat backrest - section on "Removing"
Removing rear three-point belt
Removing rear three-point belt at the left and right
Information
Some of the repair illustrations show only one side of the vehicle. Naturally, some steps also have to be performed on the opposite side of the vehicle as well. These must be carried out as a mirror image of the steps shown.
WARNING
Incorrect handling of seat-belt pretensioner unit
- Triggering of seat-belt pretensioner unit
-> Observe safety regulations for handling seat-belt pretensioner units. -> 690000 Safety regulations for handling airbag and seat-belt pretensioner units
-> Observe disposal regulations for seat-belt pretensioner units. -> 6900AW Disposal of airbag and seat-belt pretensioner units
-> After disconnecting the battery, wait 1 minute before disconnecting the seat-belt pretensioner unit.
-> Remove ignition key and disconnect the battery. Route or insulate the ground strap so that all contact with a ground carrier is avoided. -> 2706IN00 Work instructions after disconnecting the battery
-> If removed for an extended period, the seat-belt pretensioner unit must be stored in a safe place.
-> Transport the seat-belt pretensioner unit in such a way that the seat belt can retract safely if it is actuated.
1. Unscrew fastening screw -1- on the top belt lug and remove it -arrow A-.
Detaching belt at the adjustment fitting
2. Release electric plug connection -1- on the seat-belt pretensioner -a- and pull it off -A-.
Pulling off connector on seat-belt pretensioner
3. Unscrew fastening screw -1- on the seat-belt pretensioner -2-.
Loosening seat-belt pretensioner
4. Take seat-belt pretensioner mount -3- up out of the bracket in the bodyshell -4-.
Removing seat-belt pretensioner
Removing rear three-point belt at the centre
WARNING
Incorrect handling of seat-belt pretensioner unit
- Triggering of seat-belt pretensioner unit
-> Observe safety regulations for handling seat-belt pretensioner units. -> 690000 Safety regulations for handling airbag and seat-belt pretensioner units
-> Observe disposal regulations for seat-belt pretensioner units. -> 6900AW Disposal of airbag and seat-belt pretensioner units
-> After disconnecting the battery, wait 1 minute before disconnecting the seat-belt pretensioner unit.
-> Remove ignition key and disconnect the battery. Route or insulate the ground strap so that all contact with a ground carrier is avoided. -> 2706IN00 Work instructions after disconnecting the battery
-> If removed for an extended period, the seat-belt pretensioner unit must be stored in a safe place.
-> Transport the seat-belt pretensioner unit in such a way that the seat belt can retract safely if it is actuated.
1. Loosen the seat belt -1- at the bottom.
Centre seat belt
1.1. Unscrew fastening screw -2- on the seat belt.
1.2. Unclip the fixing clips -3- for the seat belt on the seat frame -4-.
2. Remove seat-belt pretensioner -1- for the centre three-point belt.
Seat-belt pretensioner for centre three-point belt
2.1. Screw off fastening nut -2-.
2.2. Remove seat-belt pretensioner -1- together with the belt strap -3- in a downward direction and feed the belt strap out through the guide -4- on the 2/3-split folding seat backrest.
Installing rear three-point belt
Installing rear three-point belt at the left and right
1. Insert seat-belt pretensioner mount -3- into the bracket in the bodyshell -4-.
Fitting seat-belt pretensioner
Information
Always replace the fastening screws on the three-point seat belt. The micro-self-locking screws must not be treated (e.g. greased) or loosened and then screwed on again.
2. Tighten fastening screw -1- on seat-belt pretensioner -2- to => Tightening torque: 50 Nm (37 ftlb.).
Tightening seat-belt pretensioner
Information
- When routing the electric wires, ensure that they are not routed through the belt-coiling area.
3. Plug in electric plug connection -1- ( -A- ) and close the lock -a-.
Plugging in connector on seat-belt pretensioner
Information
- Do not twist the three-point belt when installing!
Information
- Once the fastening screw has been tightened, the belt lug must level out on its own in a vertical position or in the relevant support direction.
4. Tighten fastening screw -1- for the belt lug on the bodyshell to => Tightening torque: 50 Nm (37 ftlb.).
Installing belt lug on height adjuster
Installing rear three-point belt at the centre
Information
Always replace the fastening screws on the three-point seat belt. The micro-self-locking screws must not be treated (e.g. greased) or loosened and then screwed on again.
Information
- Do not twist the three-point belt when installing!
Information
- Once the fastening screw has been tightened, the belt lug must level out on its own in a vertical position or in the relevant support direction.
Information
- When routing the electric wires, ensure that they are not routed through the belt-coiling area.
1. Fit seat-belt pretensioner -1-.
Seat-belt pretensioner for centre three-point belt
1.1. Feed the belt strap -3- through the guide -4-.
1.2. Position seat-belt pretensioner -1-.
1.3. Fit fastening nut -2- for the seat-belt pretensioner -1- and tighten to => Tightening torque: 50 Nm (37 ftlb.).
1.4. Check that the seat-belt pretensioner is seated correctly.
2. Secure the seat belt -1- at the bottom.
Centre seat belt
2.1. Fit fastening screw -2- for the seat belt -1- and tighten to => Tightening torque: 50 Nm (37 ftlb.).
2.2. Clip in fixing clips -3- for the seat belt on the seat frame -4-.
2.3. Check that the seat belt is routed correctly.
Subsequent work
Subsequent work for removing and installing rear three-point belt at the left and right
1. Install side trim panel for rear luggage compartment. -> 700319 Removing and installing side trim panel for rear luggage compartment - section on "Installing" Service and Repair
2. Connect the battery. -> 2X00IN General information on disconnecting the battery Procedures
3. Perform a function test.
- The belt strap must be fully rolled up when the function test is started.
- Move the seat belt height adjustment to the highest position.
- Pull out belt strap completely as far as it will go.
- Roll up the belt strap again slowly. An audible clattering noise can be heard when you do this.
- If the rolling-up process is interrupted, the belt strap cannot be pulled out again (permanent belt blockage).
- The permanent belt blockage function must switch off at least 100 mm before the belt strap is rolled up fully, thereby ensuring that the belt strap can be pulled out again.
Subsequent work for removing and installing rear three-point belt at the centre
1. Connect the battery. -> 2X00IN General information on disconnecting the battery Procedures
2. Perform a function test.
- The belt strap must be fully rolled up when the function test is started.
- Move the seat belt height adjustment to the highest position.
- Pull out belt strap completely as far as it will go.
- Roll up the belt strap again slowly. An audible clattering noise can be heard when you do this.
- If the rolling-up process is interrupted, the belt strap cannot be pulled out again (permanent belt blockage).
- The permanent belt blockage function must switch off at least 100 mm before the belt strap is rolled up fully, thereby ensuring that the belt strap can be pulled out again.