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Test Carly now ! 30-day return policy!

This Carly Adapter supports all Mercedes car models from 2004 until now!

Carly offers you a broad variety of features, which allow you to analyze, personalize and maintain your car yourself and therefore, save the costs a workshop would usually charge you!

Find out which Carly features are available for your vehicle.  


Save money by using Carly!


Workshops usually charge anywhere between 50$ and 100$ to run a car diagnostic for you. Therefore, the Carly adapter has already paid off after the first use!

The Carly Features

(To be able to use the full spectrum of Carly functions the Carly App Full version has to be purchased additionally)


In-Depth Diagnosis:

All control units are analyzed, and the error codes are read out. The analysis corresponds to the manufacturer 's quality.


Used Car Check:
All control units are read out and compared to check whether someone tampered with the speedometer.


Many more features:

e.g. playing videos while driving

Find out which functions are available for your car!

How Carly works:


Step 1: Buy the adapter

Purchase the original Carly OBD adapter, which can be used for multiple cars. You can check the available Carly features for your vehicle using the free Carly Lite version App. If you are not satisfied, you can return the adapter to us within 30 days.


Step 2: Download the Lite / Full version app

Lite version: The free Lite App allows you to test which functions are available for your car (iOS/Android). In addition, you receive one free car diagnosis and one free used car check.

Full version: The full version includes all Carly features availabe for your car. 

That's what our customers say: 

"I could uncover a manipulation before buying. Now I am very happy that I can be sure I own a car that is not tampered with. That's a nice feeling. Thanks a lot." - Marcel P.

"2 manipulated F10 BMW 5 Series, a 535d, and a 525d, not bought and very grateful! Great work and keep it up! " - Martin R.

Mercedes FAQ
Answers to the most frequently asked questions




Does my car warranty expire after using Carly?


The app does only enable you to use "safe" features. More than 10m people worldwide use our app, and we have never been informed of any impacts on a car's warranty.


What should you do if you need help?


We have a group of experts that can help you with any problem. There is no technical barrier that we do not dare to overcome. We guarantee that we can handle all solvable cases - we offer you world-class customer service!


Is the adapter limited to a certain number of vehicles?


In contrast to similar systems, Carly is not limited to a certain number of vehicles, allowing you to analyze, personalize and maintain as many cars as you want to using Carly.



How do I know what features will work for my car?


You can check the available Carly features for your car model here. Besides, we offer you a 30-day test period for the Carly adapter during which you can test the functions of the app using the free lite version. You can send the adapter back to us within the given period in the case that you are not satisfied. Please contact us if you want to do so.



What is the difference between the Carly app Lite and Full version?


You can test all feature available for your car using the free lite version. In addition you will get one free diagnosis and one free car check. The full version allows you full and unlimited access to all features available for your car.



Does the price of the adapter include the full version of the app?


No, the adapter purchase does not include the app full version. Find out more about the app here.