Advice needed on leasing 2017 Mercedes C 300 Loaner

Hello all!
I’m new to leasing and need all the help I can get.
I’m looking to lease an ex loaner Mercedes c300 2017sdn 4dr
in the state of Florida it has
6,503 miles
MSRP: 46,305
Discount: $8,806
36 months/ 10k
They’re giving me a monthly payment of $468
I don’t think this a deal at all, I asked for more discount Manager told me it’s set by Mercedes Benz and he can’t do anything about it.(upload://kLnEc96yqOxqyvTqnpMd8k1cg0b.jpeg)
Any advice?

**

Just for perspective: search for a recent C300 deal for $161/mo

That’s a first! Hah …20