Well the current M-B lease "deal" being advertised uses a MSRP basis of $25,750 vs. your $25,990.
new electric cars. custom mini electric vehicles. smart USA
36 months of $59 SLED payments totals
$2,124.
If by doing the ONE PAY you can avoid the
"Cash due at signing includes $999 capitalized cost reduction and $295 acquisition fee" the dealer must be throwing in some incentive money? Do you currently own a smart, Mercedes-Benz or Sprinter as that offers up a $1,000 incentive.
What state are you in, how many ED's does the dealer have in inventory? If he will give you this today, how deep would he go at EOM this weekend?