Just for reference this is the hydraulic pump that supplies the fluid to the operating cylinders.
It is located in th trunk under the plastic covering that the spare wheel fits on to.
There are Max and Min fluid marker lines which are about 2.54cms/1" apart.
The reservoir in the photo is filled to the Maximum level.
Note: entire system holds 1.25 Liters of fluid
1993 SL pump
2000 SL pump