Before changing a fuse

brake.  Park the vehicle and apply the parking brake.
  Remove the SmartKey from the ignition  Switch off all electrical consumers.
lock.  Remove the SmartKey from the ignition lock.

The fuses are located in various fuse boxes:
• fuse box on the driver's side of the dashboard
• fuse box in the engine compartment on the left-hand side of the vehicle, when viewed in the direction of travel
• fuse box in the trunk on the right-hand side of the vehicle, when viewed in the direction of travel

The fuse allocation chart is located in the vehicle tool kit in the stowage compartment under the trunk floor.

    See also:

    Cleaning the steering wheel and gear or selector lever
      Thoroughly wipe with a damp cloth or use leather care agents that have been recommended and approved by Mercedes- Benz. ...

    Other bulbs
    There are bulbs other than the Xenon bulbs that you cannot replace. Replace only the bulbs listed. Have the bulbs that you cannot replace yourself changed at a qualified specialist workshop. ...

    Installing/removing the combined cargo cover and net
    You can reach the combined cargo cover and net to install and remove it from the cargo compartment and, with the seat backrest folded forwards, from the left-hand rear door. •► Make sure ...