Pricing Supplement Dated December 13, 1999 Rule 424(b)(3)
(To Prospectus Dated April 22, 1999) File No. 333-76483
GENERAL MOTORS ACCEPTANCE CORPORATION
Medium-Term Notes - Floating Rate
____________________________________________________________________________
Agent: Merrill Lynch
Principal Amount: $1,000,000,000.00
Agent's Discount
or Commission:
Net Proceeds to Company: $1,000,000,000.00
Initial Interest Rate: Reset on the Issue Date (also an Interest
Reset Date).
Issue Date: 12/14/99
Maturity Date: 12/14/00
____________________________________________________________________________
Calculation Agent: GMAC
Interest Calculation:
/X/ Regular Floating Rate Note
Interest Rate Basis: / / CD Rate / / Commercial Paper Rate
/ / Prime Rate / / Federal Funds Rate
/X/ LIBOR (see below) / / Treasury Rate
/ / Other
(see attached)
If LIBOR, Designated LIBOR Page / / Reuters Page: / / or
/X/ Telerate Page: 3750
Interest Reset Dates: Each March 14, June 14, September 14, and December 14.
The first interest reset date will be December 14,
1999.The final reset date will be December 14, 2000.
Interest Payment Dates: Each March 14, June 14, September 14, and December 14
commencing March 14, 2000 and ending December 14,
2000.
Index Maturity: 3 Months
Spread (+/-): -.09%
Day Count Convention:
/X/ Actual/360 for the period from 12/14/99 to 12/14/00
/ / Actual/Actual for the period from / / to / /
/ / 30/360 for the period from / / to / /
Redemption:
/X/ The Notes cannot be redeemed prior to the Stated Maturity Date.
/ / The Notes may be redeemed prior to Stated Maturity Date.
/ / Initial Redemption Date:
Initial Redemption Percentage: ___%
Annual Redemption Percentage Reduction: ___% until Redemption
Percentage is 100% of the Principal Amount.
Repayment:
/X/ The Notes cannot be repaid prior to the Maturity Date.
/ / The Notes can be repaid prior to the Maturity Date at the option of
the holder of the Notes. (See Below)
/ / Optional Repayment Date(s):
Repayment Price: %
Currency:
Specified Currency: U.S. (If other than U.S. dollars, see attached)
Minimum Denominations: ___________ (Applicable only if Specified
Currency is other than U.S. dollars)
Original Issue Discount: / / Yes /X/ No
Total Amount of OID: Yield to Maturity:
Initial Accrual Period:
Form: /X/ Book-Entry / / Certificated
Other: /X/ Principal / / Agent
If as principal:
/X/ The Notes are being offered at varying prices related to
prevailing market prices at the time of resale.
/ / The Notes are beings offered at a fixed initial public offering
price of XX% of principal amount.
If as agent:
The Notes are being offered at a fixed initial public offering price of
XX% of principal amount.
