How do you remove the fuse box cover to get to the fuses?
X From the fuse chart ( page 192),
determine which fuse belongs to the
malfunctioning accessory or component.
X Remove the respective fuse.
X Replace the defective fuse with a new one
of the same amperage.
That's from the owners manual. If you don't have the manual, you can download one here: | Mercedes-Benz USA