Retro Wired Engineering

Retro Wired Engineering Retro Wired is an engineering venture with the purpose of preserving proved quality that has passed the test of time.

Using current technology, we are actively developing solutions to improve the classic car ownership experience.

Our website is now live !https://retrowired.euYou can now order awesome tools at cheaper prices !Also, you can find our ...
17/01/2026

Our website is now live !
https://retrowired.eu

You can now order awesome tools at cheaper prices !

Also, you can find our KE-Jetronic Device on eBay !
https://www.ebay.com/itm/316174041692

Contact us for more information !

We created the KE-Jetronic Reader as a quick way to check the health of your engine. Our device decodes this signal and shows you information on the 3-digit display. -> The X11 diagnostics connector is found in the right side of the engine.

22/07/2025

Just a W124 owner checking the mixture with our KE Jetronic diagnostic device.

We love it when our clients are happy, and their cars are back on the road. -Jetronic  Jetronic
20/07/2025

We love it when our clients are happy, and their cars are back on the road.

-Jetronic
Jetronic

28/11/2024
* Our friend Khalid from Dubai is testing our KE Jetronic tester on his 1987 Mercedes R107 V8 5.0 Petrol. No replacement...
13/07/2024

* Our friend Khalid from Dubai is testing our KE Jetronic tester on his 1987 Mercedes R107 V8 5.0 Petrol. No replacement for displacement, right ?
* The device is showing no errors and a fluctuation of values around the 50 mark, which represents a perfectly calibrated KE Jetronic system.

Also, he designed and 3D printed a case for the device !
How cool is that ?

Our KE Jetronic diagnostic system is almost ready for production. We are currently testing on multiple cars: W201, W124,...
06/07/2024

Our KE Jetronic diagnostic system is almost ready for production. We are currently testing on multiple cars: W201, W124, W126 and even a R107. We have received orders from Dubai, UK and Romania from people that want to test our device.

If you have a KE-Jetronic Mercedes and want to order a diagnostic system that you just plug into your socket, let us know.
It can show any errors that the ECU is throwing, and can help with the mixture adjustment of the KE Jetronic system.

Fresh engineering, coming up.
01/05/2024

Fresh engineering, coming up.

01/05/2024

In the following months, we will release a small, but very useful device that you will be able to use on your beloved Mercedes.

This device can output error codes on it's LED digits. There is no wiring necessary. You do not need any experience or research.
Just plug your KE EYE device in the car's diagnostics port and read it's output. Then compare with the list we provide in the box.

If there are no errors present, the device will output the EHA behavior, so you can see what the car does in order to maintain a proper air-fuel mixture. This can help with the adjusting screw that the KE Jetronic system provides.

Stay tuned !

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