Ownership Submission
FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  de la Guerroniere Marc
 2. Date of Event Requiring Statement (Month/Day/Year)
12/27/2010		 3. Issuer Name and Ticker or Trading Symbol
METTLER TOLEDO INTERNATIONAL INC/ [MTD]
(Last)
(First)
(Middle)
IM LANGACHER, CH-8606 GREIFENSEE		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Head of European Market Orgs.
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

SWITZERLAND 		 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock, par value $.0.01 per share 10,841 (1)
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Option (right to buy) 11/01/2008(2) 11/01/2017 Common Stock, par value $0.01 per share 9,200 $ 105.11 D  
Stock Option (right to buy) 01/03/2009(2) 01/03/2018 Common Stock, par value $0.01 per share 13,750 $ 112.37 D  
Stock Option (right to buy) 11/06/2009(2) 11/06/2018 Common Stock, par value $0.01 per share 19,500 $ 73.69 D  
Stock Option (right to buy) 10/28/2010(2) 10/28/2019 Common Stock, par value $0.01 per share 15,525 $ 90.76 D  
Stock Option (right to buy) 11/03/2011(2) 11/03/2020 Common Stock, par value $0.01 per share 12,555 $ 133 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
de la Guerroniere Marc
IM LANGACHER
CH-8606 GREIFENSEE
SWITZERLAND 		       Head of European Market Orgs.  

Signatures

James Bellerjeau, Attorney in Fact 12/27/2010
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) 220 shares of the total shares held represent restricted stock units for which shares of MTD common stock will be delivered upon satisfaction of applicable vesting requirements.
(2) The options vest annually in five equal installments beginning on the first anniversary of the date of grant. In addition, all the options vest fully upon certain events, including the merger, consolidation or change in control of the company.

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