The American Express Platinum card benefits at Hertz include reduced rates and other privileges on Hertz car rentals. The American Express Platinum card also offers free membership in the Hertz Gold Plus rewards program. Some of the best benefits you get at Hertz with this card are:
Free one-car-class upgrades.
Expedited service.
Up to 4 hours grace period when returning the vehicle late with no penalty.
Automatic 15% - 25% discount on all rentals, along with Hertz points.
Pick pretty much any car you want, without a reservation.
Add your spouse/partner as a driver.
To get the benefits, just pay for a Hertz rental with your American Express Platinum card and include “CDP #211762” in your reservation.