‘Ask Mercedes’ AI project

A virtual assistant platform for car drivers

The new car is in the garage. Everything is shiny and sparkling. The anticipation of getting on the road is high. But at the same time there are also questions: How does everything work? What sort of button is that on the centre console? How do I connect my mobile phone with the car? What does ‘Sport+’ mean? Gone are the days of searching through a car’s thick user manual. In future, everything will be explained to us by a digital, entertaining voice assistant.

An article by Tim Bunkus

Ask the digital assistant and you will get answers

In future, car manufacturer Daimler will provide a digital app-based voice assistant that can answer questions about the vehicle in addition to the operating manual. That is what the company’s digitalisation strategy has in mind for the new types of cars from Mercedes-Benz. This new digital assistant will be called ‘Ask Mercedes’. The driver asks a question about the car using voice or text input on their smartphone and the assistant is able to answer quickly and simply. To make information about controls in the car even simpler, Ask Mercedes is also equipped with an augmented reality component that allows the driver to explore their cockpit easily via their smartphone. Teams from adesso, its subsidiary adesso mobile solutions, IBM and Vuforia are working on implementing this idea.

Virtual assistants – how chatbots are changing how we communicate

Over the last few years, instant messaging apps such as WhatsApp and Facebook Messenger have developed into the most popular methods of communication in the world. In 2014, messaging apps had 1.07 billion users. That number is expected to increase to close to 2.2 billion users by 2019. So-called ‘smart speakers’ such as Amazon Echo or Google Home with their integrated virtual assistants Alexa and Google Assistant are also enjoying increasing popularity – a trend that companies also recognise.

According to Facebook, around 20 million of the approximately 70 million brand-related Facebook pages answer direct queries from customers on Messenger, allowing them to receive information immediately and directly no matter where they are and no matter when.

Unlike websites, which are populated with knowledge by experts or updated at regular intervals, the challenge with instant messaging is the fact that the experts must always be directly available – for any user, for any topic and at any time.

Chatbot systems offer a solution that does not depend on staff. They are able to ‘understand’ incoming queries from a user and answer using dedicated stored knowledge. So-called cognitive systems, which are able to extract contexts and intentions from texts using deep learning algorithms, help the chatbot in ‘understanding’ the user and the content of the query. This process is known as ‘natural language understanding’ (NLU).

The birth of a virtual assistant

Creating a good virtual assistant, however, requires more than just the latest technology. Many aspects, such as the bot’s character, the content to be put out, operation and further development must be considered differently in comparison to classic software development. So, at the start of the project, the project team must answer the simple question of ‘who is our chatbot?’.

There were several answers to the question of which group of people the female chatbot ‘Mercedes’ will assist in the future. In the first User Experience Workshop the target group of Mercedes drivers were the focus. The customers will be provided with an even more advanced service immediately. Thanks to new technologies in cars, such as modern driving assistance systems for example, new questions are also arising for the drivers that the chatbot will answer quickly and simply. The project therefore offers a new communication channel – for all drivers, but mainly aimed at the digital-savvy target group of the younger car driver.

Intelligent dialogue technology combined with augmented reality: Ask Mercedes. The virtual assistant helps you straight away. (Copyright: Daimler AG)

Chatbot mentoring – the assistant in ‘bot school’

Maintaining a chatbot is often not as easy as you might think. It is generally assumed that a ‘cognitive bot’ uses content to teach itself, understand texts and use new sources of information to build up its own knowledge, which is formulated automatically based on user queries. Unfortunately, a system that learns and operates with total autonomy like that is (still) science fiction. Today, the system only learns to understand the intention of a user’s query under supervision. The dialogue with the user follows a carefully devised script in a question-and-answer style and must be created manually.

Anyone who has ever done this type of work knows the significant amount of effort it takes. In order to make chatbot dialogues as productive and uncomplicated as possible, adesso has a few tricks up its sleeve: Alongside graphical tools for dialogue trees, tools have also been developed for the project that can provide content (that is also adapted for several channels), be it texts optimised for simply being read out loud (in the case of Amazon’s Alexa or Google Home) or short text answers for Facebook Messenger that are accentuated with media content such as images or videos. Ultimately, every channel uses the same underlying dialogue and the same trained natural language understanding (NLU).

The technical platform: home of chatbots

The sources from which the knowledge for the chatbot in the Ask Mercedes project originates are just as diverse as the various channels. Manuals, price lists or information from the car manufacturer are used to equip the chatbot with knowledge about every topic. The challenge here is that the different knowledge domains are maintained by different specialist departments. That means there is not just one ‘information owner’ and therefore not just ‘the one’ chatbot.

In order to provide the customer with one single point of contact for every topic despite this, adesso created a platform where several bots function as one individual bot. The ‘Intelligent Information Hub’ (IIH) analyses a user’s queries and routes these via a so-called concierge bot to the information domain that is most qualified to answer the query. The answer is then prepared for the corresponding channel such as Facebook, Alexa or another app and then sent back to the user without them noticing the internal routing. Fixed rules for tonality and how the answers are constructed support the ‘one-face-to-the-customer’ approach and ensures there are no ‘breaks’ between the individual domains.

Ask ‘Mercedes’. The chatbot answers around 100 of the most common questions on using a vehicle. (Copyright: Daimler AG)

Outlook for the development of chatbots

In the next few years, chatbots will significantly change how customers and companies communicate. The project team commissioned has created an important basis for this new form of communication with their assistant Mercedes and the underlying Intelligent Information Hub platform. These developments will continue to be expanded upon in the coming years.


...is an expert in the areas of artificial intelligence, cognitive consulting, UI and UX design and API-driven development. In particular, he works on projects with a social and collaborative focus. His focus is on the conception of new applications with the help of cognitive services based on IBM Watson. He is also a trainer for Web technologies and speaks at various events on the topic of cognitive computing.

E-mail: tim.bunkus@adesso.de

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