Miele DGC 6300 Operating And Installation Instructions page 130

Cleaning and care
 Using both hands, grip the inner
glass pane  at the rear and lift it
upwards.
 Open the inner pane towards you.
Then pull it out as far as possible in
its retainer (see detail).
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 Push the middle glass pane  in its
retainer  in the direction of the
arrow into the front clips .
 Pull the middle pane  upwards out
of its retainer at the back and then
remove it from the front clips.
 Clean each of the glass panes using
a solution of warm water and a little
washing-up liquid applied with a
clean sponge.
 After cleaning, dry the glass panes
with a soft cloth.