Miele DGD 4635 Operating And Installation Instructions page 13

Cleaning and care

Do not use a steam cleaning appliance to clean this steam oven.
Pressurised steam could reach the electrical components and cause
a short circuit.

The shelf runners can be removed for cleaning purposes (see
"Cleaning and care - Accessories").
Ensure they are correctly fitted after cleaning and never operate the
steam oven without the shelf runners fitted.
Warning and Safety instructions
13