We can't find that page, but we've found something similar.
There doesn't appear to be anything at https://www.motorlet.co.uk/car-leasing/smart/fortwo-cabrio/-1.0-prime-sport-premium-plus-2dr?b%5B0%5D=8 but we think we've found what you're after at /car-leasing/smart/fortwo-cabrio.
You will be redirected there momentarily...