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Where to Find the External Fuse Box of the Mercedes S-Class

Model: Mercedes Classe S MK 4, W220 - Years: 1999, 2000, 2001, 2002, 2003, 2004, 2005
Part: Fuse box

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Video tutorial

Today's instructions will show you where to find the external fuse box, including the fuse diagram, for the Mercedes S-Class. First, open the hood of the vehicle and start by removing the plastic cover located at the top left to access the external fuse box; you will find the relays and the main fuses, as shown in the video.

At this point, use the diagram found in the owner's manual to locate the fuse diagram, also identifying the internal fuse boxes; replace any blown fuses with new ones (matching the same amperage).


Updated on 24 October 2026 by ScegliAuto


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How to Replace the Glow Plugs in the Fiat Ducato 2.3 Multijet?

Glow plugs, as the name suggests, raise the temperature of the engine in diesel vehicles to allow for easier starting. The manufacturer, in this case, Fiat for the Ducato 2.3 Multijet, specifies how often they should be replaced, and a warning light will illuminate when it's time. This work is carried out under the bonnet. First, remove the upper engine cover, then lift the coil and, using a socket wrench of the appropriate size, unscrew the glow plug to remove it from the base, followed by installing the new one.

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by ScegliAuto

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