Exhibit 1a
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
To the Pension Committee
Mettler-Toledo, LLC Enhanced Retirement Savings Plan
We consent to the incorporation by reference in the Registration Statement (No. 333-31636) on Form S-8 of the Mettler-Toledo International Inc. of our report dated June 23, 2017, with respect to the statements of net assets available for benefits (modified cash basis) of Mettler-Toledo, LLC Enhanced Retirement Savings Plan as of December 31, 2016 and 2015, the related statements of changes in net assets available for benefits (modified cash basis) for the years then ended, and the related supplemental schedule as of December 31, 2016, which report appears in the annual report on Form 11-K of the Mettler-Toledo, LLC Enhanced Retirement Savings Plan for the year ended December 31, 2016.
Columbus, Ohio /s/ Clark, Schaefer, Hackett & Co.
June 23, 2017
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