Removal
1. Disconnect the ground (-) wire terminal from the negative battery terminal, after turning off the ignition.
Warning! When you disconnect the battery from the radio, the security code is deleted, as well as all automatic settings on the radio station. If the code is unknown or not written down, then the radio can only be put into operation by resorting to the help of a workshop or the manufacturer of the radio. Therefore, make sure in advance that the code is known.
2. Cars with petrol engine. Remove air intake pipe 1 and air hose 2 (see illustration.
3. Vehicles with diesel engine: Remove the air intake module, see the relevant chapter.
Original material on the website: MERCEDESMAN.ru
4. Disconnect the low-pressure hose of the brake booster from the intake manifold. To do this, squeeze the tabs indicated by the arrows and disconnect the pipeline 3 (see illustration 8.2).
5. Disconnect the radiator fan motor plug.
6. Remove the fan casing from the side guides and lift it up together with the fan.
7. Disconnect the fan from the casing. To do this, unscrew the fastening bolt 5, the locking screw 6 and release the power cable (see illustration).
8. Turn the mount and remove the fan by pushing it forward.
Installation is carried out in the reverse order of removal.
9. Connect the negative (-) battery terminal to the battery with the ignition off.
10. Set up the electronic clock.
11. Enter the security code into the radio receiver.