Mercedes S-Class W-220

1. Remove a steering wheel.
2. Remove the lower cover of the dashboard.

3. Disconnect the conducting socket from a signal or a contact spring of a safety cushion of A45x1.

4. Disconnect the socket of conducting of the relay of a contact spring A45x2.
5. Turn off fastening bolts 32h the contact A45 coil.
6. Carefully remove the A45 coil from a pipe.
7. Be convinced of correctness of installation of a lock ring 70h.

1. Check distance of "b" between a lock ring 70h and an arm 85.
2. Check the contact A45 coil for absence of damage.

Installation is carried out as it should be, the return to removal.