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:

    Notes
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    Load index
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    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. ...