----

**UNITED      STATES**

**SECURITIES      AND EXCHANGE COMMISSION**

**Washington,      D.C. 20549**

**FORM      10-K**

**[X]      ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT      OF      1934**

**[        ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES AND      EXCHANGE ACT OF 1934**

|   | Delaware                                                                                    |   | 13-3416059                                                         |   |
|--------|---------------------------------------------------------------------------------------------|--------|--------------------------------------------------------------------|--------|
|   | (State                or other jurisdiction ofincorporation                or organization) |   | (I.R.S.                Employer Identification                No.) |   |

|   | o                Yes |   |  x                No |
|--------|----------------------|--------|---------------------------|

|   | o                Yes |   | x                No |
|--------|----------------------|--------|---------------------|

|   | x                Yes |   | o                No |
|--------|----------------------|--------|---------------------|

| Large                accelerated filer o | Accelerated                filer o |  Non-accelerated                filer x |
|------------------------------------------|------------------------------------|----------------------------------------------|

**DOCUMENTS      INCORPORATED BY REFERENCE**

**PART        I**

**Item        1.        Business. **

**Item        1A. Risk Factors.**

**Item        1B. Unresolved Staff Comments.**

**Item        2. Properties.**

**Item        3. Legal Proceedings. **

**Item        4. Submission of Matters to a Vote of Security Holders.**

**PART        II**

**Item        5. Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer        Purchases of Equity Securities.**

**Item        6. Selected Financial Data.**

**Item        7. Management’s Discussion and Analysis of Financial Condition and Results of        Operation.**

**Item        7A. Quantitative and Qualitative Disclosures About Market        Risk.**

**Item        8. Financial Statements and Supplementary Data.**

**Item        9. Changes in and Disagreements With Accountants on Accounting and Financial        Disclosure.**

**Item        9A. Controls and Procedures.**

**Item          9A(T). Controls and Procedures.**

**Item        9B. Other Information.**

**PART        III**

**Item          10. Directors, Executive Officers and Corporate          Governance.**

**Item        11. Executive Compensation.**

**Item        12. Security Ownership of Certain Beneficial Owners and Management and Related        Stockholder Matters.**

**Item          13. Certain Relationships and Related Transactions, and Director Independences.          **

**Item        14. Principal Accounting Fees and Services.**

**Item        1112(b) of Regulation AB. Significant Obligors Financial        Information.**

**Item        1114(b)(2) and 1115(b) of Regulation AB. Significant Enhancement Provider        Financial Information.**

**Item        1117 of Regulation AB. Legal Proceedings**

**Item        1119 of Regulation AB. Affiliations and Certain Relationships and Related        Transactions**

**Item        1122 of Regulation AB. Compliance with Applicable Servicing        Criteria.**

**Item        1123 of Regulation AB. Servicer Compliance Statement**

**              **

**PART        IV**

**Item        15. Exhibits, Financial Statement Schedules.**

| **Exhibit                    Number** | **Description**                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
|---------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| 4(i)                                  | The                    series 2006-C1 pooling                    and servicing agreement dated as of May 1, 2006 among Merrill                    Lynch                    Mortgage Investors, Inc., as depositor (the “Depositor”), Midland Loan                    Services, Inc., as master servicer no. 1 (the “Master Servicer No. 1”) and                    special servicer (the "Special Servicer"), Wells Fargo Bank National                    Association, as master servicer no. 2 (the "Master Servicer No.                    2"),  U.S. Bank National Association, as trustee (the “Trustee”)                    and LaSalle Bank National Association, as certificate administrator                    (the                    "Certificate Administrator" and custodian (the "Custodian")(the                    "Pooling and Servicing Agreement") (Previously filed as part                    of the                    Registrant's Current Report on Form 8-K on June 23,                    2006)* |
| 31(ii)                                | Rule                    13a-14(d)/15d-14(d) Certifications                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| 33(a)                                 | Report                    on assessment of compliance with servicing criteria for asset-backed                    securities, Midland Loan Services, Inc. as Master Servicer No. 1 and                    Special Servicer                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| 33(b)                                 | Report                    on assessment of compliance with servicing criteria for asset-backed                    securities, Wells Fargo Bank National Association, as Master                    Servicer No.                    2                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| 33(c)                                 | Report                      on assessment of compliance with servicing criteria for asset-backed                      securities, LaSalle Bank National Association, as Certificate                      Administrator and Custodian                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| 34(a)                                 | Attestation                    report on assessment of compliance with servicing criteria for                    asset-backed securities, Midland Loan Services, Inc. as Master                    Servicer No. 1 and Special Servicer                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| 34(b)                                 | Attestation                    report on assessment of compliance with servicing criteria for                    asset-backed securities, Wells Fargo Bank National Association,                    as Master                    Servicer No. 2                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| 34(c)                                 | Attestation                    report on assessment of compliance with servicing criteria for                    asset-backed securities, LaSalle Bank National Association, as                    Certificate                    Administrator and Custodian                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| 35(a)                                 | Servicer                    compliance statement, Midland Loan Services, Inc. as Master Servicer                    No.                    1                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| 35(b)                                 | Servicer                    compliance statement, Wells Fargo Bank National Association,                    as Master                    Servicer No. 2                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| 35(c)                                 | Servicer                    compliance statement, Midland Loan Services, Inc., as Special                    Servicer                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| 35(d)                                 | Servicer                      compliance statement,  LaSalle Bank National Association, as                      Certificate                      Administrator                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |

----

**SIGNATURES**

|                                | Merrill                  Lynch Mortgage Investors, Inc., as Depositor                                                                                    |
|-------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                |                                                                                                                                                     |
|  March                29, 2007 | /s/                David Rodgers                                                                                                                         |
|                                | By: David                Rodgers                                                                                                                    |
|                                | Title: Executive                Vice President and Chief                Officer in Charge of Commercial Mortgage                Securitization |

**Supplemental        Information to be Furnished With Reports Filed Pursuant to Section 15(d)        of the        Act by Registrants Which Have Not Registered Secuirities Pursuant to Section        12        of the Act**

| (a)    | (1)                No annual report is provided to the certificateholders                                                                                                                                                                                       |
|--------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|   | (2)                No proxy statement, form of proxy or other proxy soliciting material                has                been sent to any certificateholders with respect to any annual or                other                meetings of certificateholders. |

----

**EXHIBIT        INDEX**

| **Exhibit                      Number** | **Description**                                                                                                                                                                                                                                                                            |
|-----------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| 4(i)                                    | The                      Pooling and Servicing Agreement (Previously filed as part of                      the                      Registrant's Current Report on Form 8-K on June 23,                      2006)*                                                                        |
| 31(ii)                                  | Rule                        13a-14(d)/15d-14(d) Certifications                                                                                                                                                                                                                             |
| 33(a)                                   | Report                      on assessment of compliance with servicing criteria for asset-backed                      securities, Midland Loan Services, Inc. as Master Servicer No. 1 and                      Special Servicer                                                      |
| 33(b)                                   | Report                      on assessment of compliance with servicing criteria for asset-backed                      securities, Wells Fargo Bank National Association, as Master                      Servicer No.                      2                                                |
| 33(c)                                   | Report                        on assessment of compliance with servicing criteria for asset-backed                        securities, LaSalle Bank National Association, as Certificate                        Administrator and Custodian                                                 |
| 34(a)                                   | Attestation                      report on assessment of compliance with servicing criteria                      for                      asset-backed securities, Midland Loan Services, Inc. as Master                      Servicer No. 1 and Special Servicer                     |
| 34(b)                                   | Attestation                      report on assessment of compliance with servicing criteria                      for                      asset-backed securities, Wells Fargo Bank National Association,                      as Master                      Servicer No. 2               |
| 34(c)                                   | Attestation                      report on assessment of compliance with servicing criteria                      for                      asset-backed securities, LaSalle Bank National Association,                      as Certificate                      Administrator and Custodian |
| 35(a)                                   | Servicer                      compliance statement, Midland Loan Services, Inc. as Master                      Servicer No.                      1                                                                                                                                         |
| 35(b)                                   | Servicer                      compliance statement, Wells Fargo Bank National Association,                      as Master                      Servicer No. 2                                                                                                                              |
| 35(c)                                   | Servicer                      compliance statement, Midland Loan Services, Inc., as Special                      Servicer                                                                                                                                                                  |
| 35(d)                                   | Servicer                        compliance statement,  LaSalle Bank National Association, as                        Certificate                        Administrator                                                                                                                  |

----