Attention! At installation it is necessary to use a new bolt of fastening of a steering wheel.
Removing
Models without airbag
Removal from the central part of the steering wheel, remove the Mercedes-Benz emblems
Removing the steering wheel bolt
Removing the steering wheel from the steering column
1. Remove the Mercedes-Benz emblem from the center of the steering wheel (see fig. Removal from the central part of the steering wheel, remove the Mercedes-Benz emblems).
2. Unscrew and remove the steering wheel bolt (see fig. Removing the steering wheel bolt).
3. Using paint or scriber, mark the relative position of the steering wheel and steering shaft. Pulling towards you, remove the steering wheel from the splines of the steering shaft. If the steering wheel sits tightly on the splines of the steering shaft, when removing it, turn it to the sides and tap on the back of the steering wheel with your palm (see fig. Removing the steering wheel from the steering column).
4. Check the condition of the horn contacts and slip ring for wear or damage and replace if necessary.
Models with airbag
1. Remove the airbag from the center of the steering wheel.
2. Unscrew and remove the steering wheel bolt (see fig. Removing the steering wheel bolt).
3. Using paint or scriber, mark the relative position of the steering wheel and steering shaft. Pulling towards you, remove the steering wheel from the splines of the steering shaft. If the steering wheel sits tightly on the splines of the steering shaft, when removing it, turn it to the sides and tap on the back of the steering wheel with your palm (see fig. Removing the steering wheel from the steering column).
4. Check the condition of the horn contacts and slip ring for wear or damage and replace if necessary.
Installation
Models without airbag
1. Installation is carried out in the reverse order of removal, taking into account the following points:
- a - apply a thin layer of grease to the contact ring of the horn and install the steering wheel on the splines of the steering shaft in accordance with the marks made before removal;
- b - fix the steering wheel with a new bolt and tighten it to the required torque.
Models with airbag
1. Installation is carried out in the reverse order of removal, taking into account the following points:
- a - if the position of the contact block was violated when removing the steering wheel, press the block and rotate the central part of the block counterclockwise until it stops, and then from this position turn the central part of the block clockwise by 3 full turns;
- b - Apply a thin layer of grease to the contact ring of the horn and install the steering wheel on the splines of the steering shaft in accordance with the marks made before removal. Check the correct location of the electrical wiring of the contact block;
- c - on early models, check that the landmark at the top of the steering column is aligned with the hole in the contact block;
- d - screw in a new steering wheel bolt and tighten it to the required torque. Install the airbag in the center of the steering wheel.