POWER OF ATTORNEY

Mr. Mario Vazquez hereby constitutes and appoints each and all of Messrs. Jacobo
Cohen Imach, Pedro Arnt, Marcelo Melamud, Tomas Hermida Zapiola, Eugenia de la
Puerta Echeverria and Juan Martin de la Serna, and each of them, as his true and
lawful attorneys-in-fact, so that they, acting individually in the name, place
and stead and on behalf of the principal, may perform the following acts: (1)
deliver, for and on behalf of the principal and in his capacity as director or
official of MercadoLibre, Inc. (the "Company"), Forms 3, 4 and 5 pursuant to
Section 16(a) of the Securities Exchange Act of 1934 and its regulations, (2)
undertake, for and on behalf of the principal, each and all acts necessary or
adequate to fill in and deliver the abovementioned Forms 3, 4 and 5, fill in and
execute any modification(s) thereto and timely submit such forms with the United
States' Securities Exchange Commission (SEC) and any other stock exchange or
similar authority, and (3) conduct any other action of any kind related to the
aforementioned which, at the discretion of the attorneys-in-fact, may inure to
the benefit of be in the best interest of or be lawfully required by, the
principal, it being understood that the documents delivered by the
attorneys-in-fact for the principal under this Power-of-Attomey shall be in the
form and contain the terms and conditions that may be approved by the
attorneys-in-fact, at their discretion. The appearing party confers the
attorneys-in-fact full power and authonty to carry out each and all acts and
steps that may be required, necessary or adequate to exercise any of the rights
and powers herein granted, with full powers of substitution or revocation,
hereby acknowledgeing and ratifying any and all acts lawfully made or ordered by
the attorneys-in-fact under this Power-of-Attorney and the rights, powers and
authority granted hereunder. The appearing party further acknowledges that the
abovementioned attorneys-in-fact, when acting in his name, shall not undertake
any of the duties to comply with Section 16 of the Securities Exchange Act of
1934. The present Power-of-Attorney shall remain effective until Mr. Mario
Eduardo Vazquez is no longer required to submit Fonns 3, 4 and 5 in relation to
his interest in the Company and the operations he conducts with the securities
issued by the Company, unless this Power-of-Attorney is revoked prior to that by
virtue of a written instrument delivered to the attorney-in-fact. The present
Power-of-Attorney shall be governed and construed in accordance with the
legislation of the State of New York, United States of America


Mr. Mario Eduardo Vazquez has caused this Power of Attorney to be executed on
July 5, 2021.

By:/s/ Mario Eduardo Vazquez
Name: Mario Eduardo Vazquez