Tool:
- Torx wrench (star)
Parts and consumables:
- carbon absorber
- Cabin air filter
1. Release the clips.

Notes:
To open the central clamp, press slightly upwards the edge of the gutter lying above it.
2. Slightly lower the cabin air filter cover at the front and detach it at the rear.
3. Slightly press the cabin air filter in the area of \u200b\u200bthe legs, remove it from the housing and replace it with a new one.

Notes:
The carbon adsorber does not need to be cleaned. It must be replaced at regular intervals.
Installation
1. Insert the cabin air filter into the housing.
2. Replace the filter cover and secure the clips.
Charcoal filter replacement
1. Remove the 2 Torx screws securing the front passenger footwell cover. Lower the lid a little, pull it back on the right side and remove it from the left warm air channel.
2. Move back and remove the cover next to the fan motor.
3. Pull both filters down.

Notes:
The filter does not need to be cleaned. It must be replaced at regular intervals.
4. Insert the filter into the hole next to the heater fan.
5. Replace the cover and slide it back.
6. Install and secure the footwell cover.
The article is missing:
- Tool photo
- Photo of parts and consumables
Source: http://auto-knigi.com/model/mb_c/3_27/