Go to their website. They should have an owners manual you can download for your specific car. It'll tell you.
The 1999 Mercury Mountaineer owners manual shows : unleaded fuel only - 87 octane as the recommended fuel
You can view the 1997 Mercury Mountaineer owners manual on-line at : www . motorcraft service . com ( no spaces ) Click on Owner Guides ( the fuses and relays section starts on page 119 , it has the diagrams and lists )
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According to the 2006 Mercury Mountaineer owners manual : ( # 14 is a 20 amp fuse for the horn ) * in the fuse panel below the instrument panel on the drivers side *
The 2000 Mercury Mountaineer owners manual shows ( 5 W 30 ) - for the 4.0 L - SOHC - V6 engine and the 5.0 L - V8 engine
go to a mercury dealer and have then photo copy a digram for you
look in the owners manual. However should be by the emergency brake you have to get on the floor and look up
Motorcraft MERCON V - automatic transmission fluid - according to the owners manual
You can view the 2000 Mercury Mountaineer owners manual online at : www . motorcraft service . com ( no spaces ) Click on Owner Guides ( pages 238 and 239 will answer your question )
According to the 2001 Mercury Mountaineer owners manual : The fuel pump shut off switch ( inertia switch ) is in the front passenger footwell , by the kick panel
5 quarts ( 4.7 liters ) WITH FILTER CHANGE - according to the owners manual