Contents: Engines 111.948 ↡ Engine 104.900 ↡
Engines 111.948
1. Turn off the ignition.
2. Disconnect and remove the intake pipe 1 from the intake manifold (see figure 1.18a).
Figure 1.18 a. Disconnect and remove the intake pipe from the intake manifold and remove the spark plug cover.
1. Inlet pipe,
2. Spark plug cover
3. Remove the spark plug cover 2.
4. Remove ignition coils 3 with high-voltage wires.
5. Remove the adapters from the spark plugs 4 (see figure 1.18 b).
Figure 1.18 b. Remove the spark plugs.
3. Ignition coils,
4. Spark plugs.
6. Remove the spark plugs and screw in new ones (see figure 1.18 in). Use only recommended spark plugs.
Installation
7. Installation is carried out in the reverse order of removal.
Engine 104.900
8. Turn off the ignition.
9. Remove the mass air flow sensor 1 (see figure 1.19).
Figure 1.19. Replacing spark plugs on engine 104.900:
1. Mass air flow sensor,
2. Spark plug adapter,
3. Spark plug.
10. Remove the engine trim panel.
11. Remove spark plug adapters 2.
12. Remove spark plugs 3.
13. Install all components in the reverse order of removal.
Information copied from the website [www.mercedesman.ru]