2010 Mercedes S-Class Owner's Manual - Page 522

520 Fuses determined and remedied by an authorized Mercedes-Benz Center. ! Switch off the vehicle's internal electrical functions when you are working on the fuses. A blown fuse must be replaced by an appropriate spare fuse (recognizable by its color or the fuse rating given on the fuse) of the amperage recommended in the fuse chart. Any Mercedes-Benz Center will be glad to advise you on this subject. i In case of a blown fuse contact Roadside Assistance or an authorized MercedesBenz Center. If a newly inserted fuse blows again, have the cause determined and rectified by an authorized Mercedes-Benz Center. The fuse chart is located in the trunk with the vehicle tool kit (Y page 450). The fuse chart explains the fuse allocation and fuse amperages. Before replacing fuses X X Fuse box on driver's side Practical hints Fuse box on passenger side X X Engage the electronic parking brake. Make sure the automatic transmission is in park position P. The transmission position indicator in the multifunction display should be on P. X Switch off all electrical consumers. X Turn off the engine. Open the respective door. Using your hands, pull cover : in direction of arrow and remove it. X Closing: Hook fuse box cover : into the opening at the front. ! The fuse box cover must be properly positioned as described. Otherwise, moisture or dirt could enter the fuse box and possibly impair fuse operation. Fuse box in passenger compartment ! Do not use sharp objects such as a screwdriver to open the fuse box cover in the dashboard. You could damage the fuse box cover or the dashboard.