I have 1988 560 SEL, today when I put my key in to ignition, I couldn’t turn it a bit. The filling was like I put wrong key. I tray spare one, the same story. I called Mercedes Service, they quote me 5 hours labor.
Is there anybody around to help me out and give me instruction how to drill existing lock and what to take care? Steering wheel is locked!!

Thanks in advance

Kapa