Do it yourself
Frequently asked questions about cars and motorcycles
Car tutorial (Do it yourself) Motorcycle tutorial (Do it yourself) Frequently Asked Questions

How to Change the Glow Plugs on a Mercedes Vito

Model: Mercedes Viano W639, MK 1 - Years: 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
Part: Spark plugs

Video tutorial

How to change the glow plugs on a Mercedes Vito? Let's see the disassembly. Pull the lever to open the engine compartment located at the bottom of the dashboard and lift the bonnet, securing it. Remove the engine soundproofing panel; also disassemble the air box (if necessary).

Extract the coil by hand and twist it until it comes out of the cylinder head. Use a socket wrench to unscrew the glow plugs located in the engine.

Take the new glow plug and insert it into the cylinder head using the socket wrench. Refit the cylinder head cover panel at the end of the assembly.


Updated on 13 March 2026 by ScegliAuto


Related tutorials

How to Reset the Maintenance Light on a Mercedes Viano
How to Reset the Maintenance Light on a Mercedes Viano
Mercedes Viano (2003-2013 / W639, MK 1) In this video, learn how to reset the service light on a Mercedes Viano (also applicable to the Vito, as the procedure is identical): switch on the i…
Replacing the Fuel Filter on a Mercedes Viano
Replacing the Fuel Filter on a Mercedes Viano
Mercedes Viano (2003-2013 / W639, MK 1) In this video, you will learn how to replace the fuel filter on a Mercedes Viano. To do this, open the bonnet of your vehicle and with an 8 mm socket…
Where is the fuse box of the Mercedes Viano W639?
Where is the fuse box of the Mercedes Viano W639?
Mercedes Viano (2003-2013 / W639, MK 1) The fuse box of your Mercedes Viano W639 (2003-2013) is located inside the cabin. With this dedicated guide, you will finally be able to locate it wi…

Other guides you may be interested in

How to Reset the Tire Pressure Light on a MG ZS?

On the instrument cluster of the MG ZS, the tire pressure light that appears can be reset by inflating the tires to the correct pressure: this value will be indicated on the sticker attached to the driver's door pillar. Once the tires have been properly inflated, you can turn on the instrument cluster and navigate through the menu until you find the option that indicates tire pressure: if this screen shows the new values, the light will turn off; otherwise, you will need to drive for a few miles so that the sensors can read the new values and turn off the light afterward.

Watch the video!


by ScegliAuto

More videos