how can I reset Service A message?

I have searched and none of the procedures found on this site nor on Youtube work for my 2009 SL550. Several videos are labeled for 2009 SL550 and show a completely different steering wheel than mine. Currently, the message says "Service A exceeded by 5 days". Can anyone give me the exact steps for my car? Thanks.

I have searched and none of the procedures found on this site nor on Youtube work for my 2009 SL550.
Several videos are labeled for 2009 SL550 and show a completely different steering wheel than mine.
Currently, the message says "Service A exceeded by 5 days". Can anyone give me the exact steps for my car? Thanks.

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