Related Clues:

• Mercury, for one
• Ford or Lincoln
• Hertz offering
• Jam component?
• Word with bumper or muscle
• Side one is a cocktail
• Part of NASCAR
• Train unit
• Biography input?
• Pilot's setting, perhaps
• Train part
• You might get it in gear
• Intrepid, e.g.
• Auto
• Mercury, but not Mars