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                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                  SCHEDULE 13G

                    UNDER THE SECURITIES EXCHANGE ACT OF 1934
                              (Amendment No.    )*
                                            ----

                               Cobra Electronics
--------------------------------------------------------------------------------
                                (Name of Issuer)

                                  Common Stock
--------------------------------------------------------------------------------
                         (Title of Class of Securities)

                                   191042100
--------------------------------------------------------------------------------
                                 (Cusip Number)

                               December 31, 2004
--------------------------------------------------------------------------------
            (Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:

    [X] Rule 13d-1 (b)
    [ ] Rule 13d-1 (c)
    [ ] Rule 13d-1 (d)


* The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities, and
for any subsequent amendment containing information which would alter the
disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of
1934 or otherwise subject to the liabilities of that section of the Act but
shall be subject to all other provisions of the Act (however, see the notes).


                               Page 1 of 7 pages

                                      13G


CUSIP No. 191042100


1.    Name of Reporting Person:                 
      I.R.S. Identification Nos. of above persons (entities only): 

      FIFTH THIRD BANCORP                                   31-0854434
      --------------------------------------------------------------------------
2.    Check the Appropriate Box if a Member of a Group: 
      (a)  [  ]
      (b)  [  ]

      --------------------------------------------------------------------------
3.    SEC Use Only: 

      --------------------------------------------------------------------------
4.    Citizenship or Place of Organization: 
                                                            OHIO
      --------------------------------------------------------------------------
      This report relates to beneficial holdings by Fifth Third Bancorp, through
      several of its subsidiaries, of outstanding shares of the Common Stock of
      the Issuer. The following tabulations set forth the shares with respect of
      which voting rights are held or shared and those shares to which there is
      dispositive power. The following are held in fiduciary accounts in Fifth
      Third Bancorp's subsidiaries and are deemed beneficially owned:

                                5.    Sole Voting Power:
     NUMBER OF                                                    456,154 Shares
       SHARES                   ------------------------------------------------
    BENEFICIALLY                6.    Shared Voting Power: 
      OWNED BY                                                          0 shares
        EACH                    ------------------------------------------------
     REPORTING                  7.    Sole Dispositive Power:
    PERSON WITH                                                   456,154 Shares
                                ------------------------------------------------
                                8.    Shared Dispositive Power: 
                                                                        0 shares
                                ------------------------------------------------

9.    Aggregate Amount Beneficially Owned by Each Reporting Person: 
                                                                         456,154
      --------------------------------------------------------------------------
10.   Check if the Aggregate Amount in Row (9) Excludes Certain Shares: 
                                                                            [  ]
      --------------------------------------------------------------------------
      Fifth Third Bancorp, through fiduciary accounts held in its subsidiaries,
      has neither voting power nor dispositive power with respect to an
      additional 0 shares which are not deemed to be beneficially owned.

11.   Percent of Class Represented by Amount in Row (9):                   
                                                                           7.08%
      --------------------------------------------------------------------------
12.   Type of Reporting Person:
                                                                              HC
      --------------------------------------------------------------------------


                               Page 2 of 7 pages

Securities and Exchange Commission
Schedule 13G
Page 3 of 7 pages

ITEM 1(a).     NAME OF ISSUER:

               Cobra Electronics

ITEM 1(b).     ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES:

               6500 West Cortland Street
               Chicago, IL 60707

ITEM 2(a).     NAME OF PERSON FILING:

               Fifth Third Bancorp

ITEM 2(b).     ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE, RESIDENCE:

               Fifth Third Center, Cincinnati, Ohio 45263

ITEM 2(c).     CITIZENSHIP:

               Ohio

ITEM 2(d).     TITLE OF CLASS OF SECURITIES:

               Common Stock

ITEM 2(e).     CUSIP NUMBER:

               191042100







Securities and Exchange Commission
Schedule 13G
Page 4 of 7 pages





ITEM 3.        IF THIS STATEMENT IS FILED PURSUANT TO RULE 13D-1(b), OR 
               13D-2(b) OR (c), CHECK WHETHER THE PERSON FILING IS A:

                  (a) [ ] Broker or dealer registered under Section 15 of the 
                          Act;

                  (b) [ ] Bank as defined in Section 3(a)(6) of the Act;

                  (c) [ ] Insurance company as defined in Section 3(a)(19) of 
                          the Act;

                  (d) [ ] Investment company registered under Section 8 of the 
                          Investment Company Act;

                  (e) [ ] Investment adviser in accordance with Rule 
                          13d-1(b)(1)(ii)(E);

                  (f) [ ] Employee benefit plan or endowment fund in accordance 
                          with Rule 13d-1(b)(1)(ii)(F);

                  (g) [X] Parent holding company or control person in accordance
                          with Rule 13d-1(b)(1)(ii)(G);

                  (h) [ ] Savings association as defined in Section 3(b) of the 
                          Federal Deposit Insurance Act;

                  (i) [ ] Church plan that is excluded from the definition of an
                          investment company under Section 3(c)(14) of the 
                          Investment Company Act;

                  (j) [ ] Group, in accordance with Rule 13d-1(b)(1)(ii)(J).










Securities and Exchange Commission
Schedule 13G
Page 5 of 7 pages

ITEM 4.        OWNERSHIP

               This report relates to beneficial holdings by Fifth Third
               Bancorp, through several of its subsidiaries, of outstanding
               shares of the Common Stock of the Issuer. The following
               tabulations set forth the shares with respect of which voting
               rights are held or shared and those shares to which there is
               dispositive power. The following are held in fiduciary accounts
               in Fifth Third Bancorp's subsidiaries and are deemed beneficially
               owned:

               (a)   Amount Beneficially Owned:                   456,154 shares

               (b)   Percent of Class:                                     7.08%

               (c)   Number of shares as to which such person has:

                     (i)    Sole power to vote or to direct the vote
                                                                  456,154 shares

                     (ii)   Shared power to vote or to direct the vote
                                                                        0 shares

                     (iii)  Sole power to dispose or to direct the disposition 
                            of                                    456,154 shares

                     (iv)   Shared power to dispose or to direct the disposition
                            of                                          0 shares

ITEM 5.        OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS

               If this statement is being filed to report the fact that as of
               the date hereof the reporting person has ceased to be the
               beneficial owner of more than five percent of the class of
               securities, check the following .

ITEM 6.        OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON

               n/a





Securities and Exchange Commission
Schedule 13G
Sage 6 of 7 pages


ITEM 7.        IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH 
               ACQUIRED THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING 
               COMPANY

               Fifth Third Bancorp, as parent holding company of the
               subsidiaries listed below, has filed this schedule. The
               subsidiaries are filing in accordance with Rule
               13d-1(b)(1)(ii)(G).

               Subsidiary                               Item 3 Classification
               ----------                               ----------------------
               Fifth Third Bank                         Bank
               Fifth Third Bank (Tennessee)             Bank
               Fifth Third Bank (Michigan)              Bank
               Fifth Third Asset Management, Inc.       Investment Adviser

ITEM 8.        IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP

               Not Applicable

ITEM 9.        NOTICE OF DISSOLUTION OF GROUP

               Not Applicable









Securities and Exchange Commission
Schedule 13G
Page 7 of 7 pages

ITEM 10.       CERTIFICATIONS

               By signing below I certify that, to the best of my knowledge and
               belief, the securities referred to above were acquired and are
               held in the ordinary course of business and were not acquired and
               are not held for the purpose of or with the effect of changing or
               influencing the control of the issuer of the securities and were
               not acquired and are not held in connection with or as a
               participant in any transaction having that purpose or effect.

                                    SIGNATURE


After reasonable inquiry and to the best of my knowledge and belief, I certify
that the information set forth in this statement is true, complete and correct


                   Fifth Third Bancorp

                   /s/ Neal E. Arnold                 February 14, 2005
                   ------------------------------------------------------------
                   Executive Vice President, CFO      Today's Date
                   Fifth Third Bancorp