Contents: Lock cylinder ↡ Ignition switch ↡
Lock cylinder
Removal
Removal the decorative ignition switch cover
The tool that needs to be made to remove the ignition lock cylinder (dimensions in millimeters)
Removal the ignition lock cylinder
After installing the special tool, pull the key to remove the ignition lock cylinder.
Removal the ignition lock cylinder from the housing
1. Using a small screwdriver blade, carefully remove the ignition switch trim (see Fig. Removing the decorative ignition switch cover).
2. Insert the key into the ignition switch and turn it to position 1.
3. Take a piece of hard steel wire with a diameter of 2 mm and bend the wire into the shape of the letter U, then grind the ends of the wire from the inside at an angle of 70° (see fig. Tool that needs to be made to remove the ignition lock cylinder).
4. Insert the wire into the slots located on both sides of the ignition lock cylinder and press on the wire to compress the ignition lock cylinder latches.
5. Use the key to remove the ignition switch from the socket (see Fig. Removing the ignition lock cylinder).
6. Remove the wire tool, remove the ignition key from the lock cylinder, then remove the ignition lock cylinder from the housing (see fig. Removing the ignition lock cylinder from the housing).
Installation
1. Insert the ignition lock cylinder into the steering column lock housing.
2. Install the housing onto the ignition lock cylinder so that the recess on the housing faces the steering column.
3. Insert the ignition key, turn it to position 1 and press the ignition lock cylinder together with the housing into the steering column lock housing with a little force.
Attention! When installing, the edge of the ignition switch with teeth must be directed towards the housing mark.
4. Check the operation of the ignition switch, then install the decorative cover.
Ignition switch
Removal
Unscrewing the nut that secures the special cable to the ignition switch on models with an automatic transmission
(Material borrowed from an online resource: «Mercedesman.ru»)
Loosening the bolt securing the ignition switch to the steering column
Pressing the locking pin securing the ignition switch
Removal the ignition switch from the steering column
1. Remove the ground cable from the battery.
2. Remove the ignition lock cylinder.
3. Remove the lower instrument panel trim on the driver's side.
4. Mark the position and disconnect the electrical connector from the ignition switch.
5. On diesel models, label the vacuum hoses and disconnect them from the ignition switch. On automatic transmission models, unscrew the special cable from the ignition switch (see fig. Unscrewing the nut that secures the special cable to the ignition switch on models with an automatic transmission).
6. Loosen the ignition switch mounting bolt, then press the locking pin and remove the ignition switch from the steering column (see fig. Loosening the bolt securing the ignition switch to the steering column, Pressing the locking pin securing the ignition switch, Removing the ignition switch from the steering column).
Installation
1. Installation is carried out in the reverse order of removal, taking into account the following points:
- a - when removing the ignition switch, the key in the ignition switch must always be in position 1,
- b - when installing the ignition switch, check that the locking pin is installed in the hole in the steering column, then tighten the mounting bolt,
- c - check the correct placement and fastening of electrical wiring,
- d - on models with diesel engines, check that the vacuum hoses are connected correctly to the ignition switch,
- e - check the correct operation of the ignition switch.