Okay, after some time on the road, I've got the glove box liner removed, and see two relays (apparently) joined together. They are secured by a bracket (more like a plate) to the a/c system air duct.

The relays appear to be a single unit. Which of them would be the kickdown relay?

One more question...can I replace that relay (or both of them)?

Thanks!!!
Fig

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Fig
1989 560 SL bought new
118,000 miles