Automatic is a gm 4l-30e unit.
a GM product
Most cars today used dual cam or more for power efficiency and lower gas emission for longer mileage.
Based on the Penzoil Capacities guide it takes standard ATF (Yes Automatic Transmission Fluid). Power steering fluid lacks proper lubrication for the seals and will damage them.
Dextron 2 or 3..
My 1990 Trooper has a 2.6 L 4 cylinder engine, has 162,000 miles, and has always averaged 23 mpg. 16 city/21 highway.
That would be the 4L60E transmission.
The automatic transmission of a 1999 Dodge Durango requires ATF+4 transmission fluid.
what kind of special transmission oil for 1998 mercedes benz ml 320?
That would be the 4L60E
You need to drain the transmission to see what fluid it has. In the late 80's and early 90's Isuzu put either Gear lube or Automatic transmission fluid in the 5 speed transmissions.
Most likely a 4L60E.
I only get 17 overall and 22 on the freeway. about 22- 27 mpg highway