SL500 2005 central locking problem

Hi I have SL500 year 2005. Central lock will not work from key or dashboard. Vacuum pump is working and i can open trunk normally, also roof is working. When i try to lock doors from key, so signal lights blink, but doors will not lock. Is there somewhere control box for central lock system?

Hi

I have SL500 year 2005.
Central lock will not work from key or dashboard.
Vacuum pump is working and i can open trunk normally, also roof is working.
When i try to lock doors from key, so signal lights blink, but doors will not lock.
Is there somewhere control box for central lock system?

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