Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN 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
OMB APPROVAL
OMB Number: 3235-0287
Expires: January 31, 2005
Estimated average burden hours per response... 0.5

(Print or Type Responses)
1. Name and Address of Reporting Person *
GRIEGO LINDA M
  2. Issuer Name and Ticker or Trading Symbol
CBS CORP [CBS, CBS.A]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
51 WEST 52ND STREET
3. Date of Earliest Transaction (Month/Day/Year)
01/31/2009
(Street)

NEW YORK, NY 10019
4. If Amendment, Date Original Filed(Month/Day/Year)
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 Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
CBS Class B common stock 01/31/2009   M   2,977 (1) A (2) 4,701 (3) D  
CBS Class B common stock 01/31/2009   A   552 (4) A (2) 5,253 D  
CBS Class B common stock               6,000 I By Spouse's IRA Account.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number. SEC 1474 (9-02)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Director Stock Option (right to buy) (5) $ 5.72 01/31/2009   A   5,093     (6) 01/31/2019 CBS Class B common stock 5,093 (5) 5,093 D  
Restricted Share Units (7) (8) 01/31/2009   M     2,977   (8)   (8) CBS Class B common stock 2,977 $ 0 0 D  
Restricted Share Units (9) (10) 01/31/2009   A   13,112   01/31/2010   (10) CBS Class B common stock 13,112 (9) 13,112 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
GRIEGO LINDA M
51 WEST 52ND STREET
NEW YORK, NY 10019
  X      

Signatures

 /s/ Griego, Linda M.   02/03/2009
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(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) Represents shares of the Issuer's Class B common stock to which the Reporting Person became entitled upon vesting of Restricted Share Units (RSU's), receipt of which the Reporting Person has elected to defer.
(2) On January 30, 2009, the last preceding business day, the closing price of the CBS Class B common stock on the NYSE was $5.72.
(3) Includes shares acquired periodically pursuant to a dividend reinvestment program meeting the requirements of Rule 16a-11.
(4) Represents shares of the Issuer's Class B common stock to which the Reporting Person became entitled with respect to dividend equivalents accrued prior to vesting of RSU's, receipt of which the Reporting Person has elected to defer.
(5) Right to buy under Issuer's stock option plan for outside directors. A portion of this grant (1,075 stock options) is subject to shareholder approval of amendments to the plan at the 2009 Annual Meeting of Stockholders.
(6) These options vest in three equal annual installments beginning on January 31, 2010.
(7) Granted under the Issuer's 2005 RSU Plan for Outside Directors.
(8) The Restricted Share Units vested on January 31, 2009, and absent a deferral election by the Reporting Person, would have been settled by delivery of a corresponding number of shares of the Issuer's Class B Common Stock. The Reporting Person has elected to defer receipt of such shares of Class B Common Stock.
(9) Granted under the Issuer's RSU plan for outside directors. A portion of this grant (2,767 Restricted Share Units) is subject to shareholder approval of amendments to the plan at the 2009 Annual Meeting of Stockholders.
(10) The Restricted Share Units will vest on January 31, 2010 and will be settled by delivery of a corresponding number of shares of the Issuer's Class B Common Stock upon vesting, unless the Reporting Person has elected to defer settlement.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.