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 replace the EGR valve on the Mercedes GL 350.

Model: Mercedes Gl X166, MK 2 - Years 2012-2019
Part: EGR valve

In this guide, we will go over the main instructions on how to disassemble and replace the EGR valve on the Mercedes GL 350. First, let's open the vehicle's hood and begin by removing the plastic cover located at the top; the EGR valve is actually positioned at the rear of the engine compartment, as shown in the video. At this point, let's unscrew the fastening screws of the valve and its electrical connector, then disconnect the connector and the pressure pipe to remove it; we can either clean it or directly replace it, reassembling the EGR valve and starting the engine!

Posted on 16 December 2025 by ScegliAuto

Video tutorial

Related tutorials

Replacing the Timing Chain on the Mercedes GL 350 3.0 Diesel
Replacing the Timing Chain on the Mercedes GL 350 3.0 Diesel
Mercedes Gl (2006-2012 / MK 1, X164) In this simple guide, you will discover the main steps to remove and replace the timing chain on the Mercedes GL 350 with a 3.0 Diesel engine. First,…
How to reset the tire pressure sensor of the Mercedes GL 350
How to reset the tire pressure sensor of the Mercedes GL 350
Mercedes Gl (2012-2019 / X166, MK 2) If you own a Mercedes GL 350 and want to manually reset the tire pressure warning light that appears erroneously even in the absence of a puncture, a…
How to Replace the Air Filter in the Mercedes GL 350
How to Replace the Air Filter in the Mercedes GL 350
Mercedes Gl (2012-2019 / X166, MK 2) If you want to learn how to replace the engine air filter in your Mercedes GL 350 second series (2012-2019), simply follow the steps described in thi…

Other guides you may be interested in

How to Connect the Cables to the Battery of the Citroen Xsara Picasso?

In this tutorial, you will see how to connect the cables to the battery of the Citroen Xsara Picasso, useful if you need to recharge it or perform an emergency start. First, ensure the key is not inserted, then open the bonnet and move to the front of the left headlamp. Next, locate the bolt just behind the filter box and connect the positive terminal clamp to it. Now you can connect the negative terminal to any point on the chassis, such as the indicated point. Once the operation is complete, ensure you disconnect the negative first and then the positive.

Watch the video!


by ScegliAuto

More videos