AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON DECEMBER 30, 2002

                                                    REGISTRATION NO.  333-31636

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                     SECURITIES AND EXCHANGE COMMISSION

                           WASHINGTON, D.C. 20549

                    ___________________________________

                     POST-EFFECTIVE AMENDMENT NO. 1 TO

                                  FORM S-8

                           REGISTRATION STATEMENT

                                   UNDER

                         THE SECURITIES ACT OF 1933

                    ___________________________________


                     METTLER-TOLEDO INTERNATIONAL INC.

           (Exact name of registrant as specified in its charter)

         DELAWARE                                            13-3668641
     (State or other                                      (I.R.S. Employer
     jurisdiction of                                    Identification Number)
     incorporation or
      organization)
                       IM LANGACHER, P.O. BOX MT-100
                             CH 8606 GREIFENSEE
                                SWITZERLAND
                  (Address of Principal Executive Offices)

           METTLER-TOLEDO, INC. ENHANCED RETIREMENT SAVINGS PLAN
                          (Full title of the plan)

                                DENNIS BRAUN
                     METTLER-TOLEDO INTERNATIONAL INC.
                       IM LANGACHER, P.O. BOX MT-100
                             CH 8606 GREIFENSEE
                                SWITZERLAND
                              011 411 944 2211
         (Name, address, and telephone number of agent for service)

                              EXPLANATORY NOTE

Mettler-Toledo  International  Inc. (the  "Registrant")  previously filed a
registration  statement  on Form S-8 (the "Prior  Registration  Statement")
with the Securities  and Exchange  Commission  (SEC File No.  333-31636) in
connection   with  the   registration   of  shares   of  common   stock  of
Mettler-Toledo  International Inc., par value $.01 per share, to be offered
under the Mettler  Toledo  Retirement  Savings  Plan (the  "Plan"),  and an
indeterminate  amount of interests to be offered  pursuant to the Plan. The
Plan was amended and  restated by the  Registrant  effective  July 1, 2002,
except as otherwise provided therein,  and the name of the Plan was changed
to the  Mettler-Toledo,  Inc. Enhanced Retirement Savings Plan. The purpose
of this Post-Effective Amendment No. 1 to Form S-8 is to file as an exhibit
to the Prior  Registration  Statement  a copy of the  Mettler-Toledo,  Inc.
Enhanced Retirement Savings Plan.

                                  PART II

             INFORMATION REQUIRED IN THE REGISTRATION STATEMENT

          Item 8.  Exhibits

          Item 8 is hereby  amended to  include  the  Mettler-Toledo,  Inc.
Enhanced Retirement Savings Plan as Exhibit 4.5.

                                 SIGNATURES

          Pursuant to the  requirements  of the  Securities Act of 1933, as
amended  (the  "Securities   Act"),  the  Company  certifies  that  it  has
reasonable  grounds to believe  that it meets all of the  requirements  for
filing on Form S-8 and has duly caused this Post-Effective  Amendment No. 1
to Form S-8 to be signed on its behalf by the  undersigned,  thereunto duly
authorized, in Greifensee, Switzerland, on December 30, 2002.

                                     Mettler-Toledo International Inc.

                                     By: /s/ Dennis Braun
                                        ------------------------------
                                        Dennis Braun
                                        Chief Financial Officer

          Pursuant  to  the   requirements  of  the  Securities  Act,  this
Post-Effective  Amendment  No. 1 to Form S-8 has been  signed  below by the
following persons in the capacities and on the dates indicated.

Signature                       Title                            Date
---------                       -----                            ----

                               Chairman of the Board,
                               President and
/s/ Robert F. Spoerry*         Chief Executive Officer       December 30, 2002
-----------------------
     Robert F. Spoerry


/s/ Dennis Braun
-----------------------        Chief Financial Officer       December 30, 2002
     Dennis Braun


/s/ Phillip Caldwell*          Director                      December 30, 2002
-----------------------
     Phillip Caldwell


/s/                            Director                      December __, 2002
-----------------------
     John T. Dickson


/s/                            Director                      December __, 2002
-----------------------
     Philip H. Geier


/s/ Reginal H. Jones*          Director                      December 30, 2002
-----------------------
     Reginal H. Jones


/s/                            Director                      December __, 2002
-----------------------
     Hans Ulrich Maerki

/s/ John D. Macomber*          Director                      December 30, 2002
-----------------------
     John D. Macomber

/s/ George M. Milne*           Director                      December 30, 2002
-----------------------
     George M. Milne

/s/ Thomas P. Salice*          Director                      December 30, 2002
-----------------------
     Thomas P. Salice

*By  /s/ James T. Bellerjeau
   ---------------------------
     James T. Bellerjeau
     Attorney-in-Fact



                               PLAN SIGNATURE

          Pursuant  to  the   requirements   of  the  Securities  Act,  the
administrator of the Mettler-Toledo,  Inc. Enhanced Retirement Savings Plan
has  duly  caused  this  Post-Effective  Amendment  No. 1 to Form S-8 to be
signed on its behalf by the undersigned,  thereunto duly authorized, in the
City of Columbus, State of Ohio, on this 30th day of December, 2002.

                      METTLER-TOLEDO, INC. ENHANCED RETIREMENT SAVINGS PLAN

                      By  /s/ Timothy J. Marker
                         -------------------------------------------------
                         Timothy J. Marker
                         Vice President, Human Resources





                                                        Index to Exhibits

EXHIBIT NO.                DESCRIPTION OF EXHIBIT
-----------                ----------------------

4.1       Specimen Form of the Registrant's Common Stock Certificate (filed
          as Exhibit 4.3 to the  Registrant's  Registration  Statement,  as
          amended (File No.  333-35597),  on Form S-1 and  incorporated  by
          reference herein).

4.2       Amended  and  Restated   Certificate  of   Incorporation  of  the
          Registrant  (filed  as  Exhibit  3.1 to the  Registrant's  Annual
          Report on Form 10-K for the Fiscal Year Ending  December 31, 1997
          and incorporated by reference herein).

4.3       Amended  By-Laws  of the  Registrant  (filed as  Exhibit 3 to the
          Registrant's Quarterly Report on Form 10-Q for the quarter ending
          June 30, 2002 and incorporated by reference herein).

4.4*      Mettler Toledo Retirement Savings Plan.

4.5**     Mettler-Toledo, Inc. Enhanced Retirement Savings Plan.

23.1**    Consent of PricewaterhouseCoopers AG.

______________________
*    filed with the Prior Registration Statement
**   filed herewith