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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1. Name and Address of Reporting Person *   von Arb Hans-Peter 2. Date of Event Requiring Statement (Month/Day/Year) 06/01/2006 3. Issuer Name and Ticker or Trading Symbol METTLER TOLEDO INTERNATIONAL INC/ [MTD] (Last) (First) (Middle) 1900 POLARIS PARKWAY 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Head of Retail Division 5. If Amendment, Date Original Filed(Month/Day/Year) (Street) COLUMBUS, OH 43240 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 1,500 (6) D Â

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
Employee Stock Option	10/31/2002(1)	04/30/2012	Common Stock, par value $0.01 per share	2,000	$ 45.91	D	Â
Employee Stock Option	11/07/2003(2)	05/06/2013	Common Stock, par value $0.01 per share	2,500	$ 33.23	D	Â
Employee Stock Option	08/27/2004(3)	02/27/2014	Common Stock, par value $0.01 per share	3,000	$ 37.56	D	Â
Employee Stock Option	10/28/2005(4)	04/28/2015	Common Stock, par value $0.01 per share	2,500	$ 47.95	D	Â
Employee Stock Option	04/11/2007(5)	10/11/2016	Common Stock, par value $0.01 per share	10,000	$ 61.4	D	Â

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
von Arb Hans-Peter 1900 POLARIS PARKWAY COLUMBUS, OH 43240	Â	Â	  Head of Retail Division	Â

Signatures

/s/ James Bellerjeau, Attorney in Fact		06/01/2006
**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)	Granted on October 31, 2001. All options vest annually in five equal installments beginning on the first anniversary of the date of grant.
(2)	Granted on November 7, 2002. All options vest annually in five equal installments beginning on the first anniversary of the date of grant.
(3)	Granted on August 27, 2003. All options vest annually in five equal installments beginning on the first anniversary of the date of grant.
(4)	Granted on October 28, 2004. All options vest annually in five equal installments beginning on the first anniversary of the date of grant.
(5)	Granted on April 11, 2006. All options vest annually in five equal installments beginning on the first anniversary of the date of grant.
(6)	Represents restricted stock units for which shares of MTD common stock will be delivered upon satisfaction of applicable vesting requirements. The restricted stock units vest annually in five equal installments beginning on the first anniversary of the date of grant. The date of grant was November 3, 2005.

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