You may be looking for the Mercury Commuter Police Car, a station wagon version of this car with twin revolving lights on the roof.
The Mercury (here listed as a police car, to avoid confusion with other castings of Mercury subjects), is a full-sized four-door sedan with integral light bar, originally released in 1977.
The Mercury was released in the following versions:
|Col #||Year,||Series||Color||Tampo||Lightbar Color||Base Color/ Type||Window Color||Interior Color||Wheel Type||Toy #||Country||Notes / Variations||Photo|
|TP-2||1978||White||POLICE||Light Blue||Unpainted/ Metal||Clear||Ivory||England|
|SF1||1986||SuperFast (Multipack)||Black||Halley's Comet logo on sides||Dark blue||Black/ Metal||Dark blue||Gray||Macau||Haley's comet special edition|
|LW-1||1987||Laser Wheels||White||Orange and blue stripes, STATE POLICE, TO PROTECT AND SERVE, R-15, RADAR||Blue||Silver/ Metal||Blue||Gray||Macau|