Originally Posted by
MileageAddict
The more appropriate word of caution is to be sure of the safety of your rental vehicle. Even from big names such as Avis and Hertz, be sure to check out tire wear, wiper useage and brakes before driving off the lot. Cars generally have much more wear on them in Latin America than other places in the world.
Excellent point, also be sure to note the damage before taking the vehicle (as there will inevitably be some). Mexican car rental agents don't overlook scrapes and bruises like their U.S. counterparts.