In-Vehicle UX



User Experience Benchmark: 2017 Mercedes-Benz E-Class



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Report Summary:

Strategy Analytics conducted a UX benchmark study of the 2017 Mercedes-Benz E-Class.  Poorly communicated control-display relationships led to lengthy manual tasks for first-time users, even when using the highly-touted thumb touchpads on the steering wheel.  The speech recognition system relied on unintuitive entry utterances, leading to a number of errors.  Users gave the E-Class high marks for its style and aesthetic design, but extremely low marks for the learnability and ease of use of the various control modalities, which led to a very low IVX score for infotainment usability.
Table of Contents

1.  Executive Summary

2.  Introduction and Methodology
     2.1  Introduction
     2.2  Methodology

3.  Initial Impressions and Overview of HMI
     3.1  Initial Impressions
     3.2  Centre Console Controls
          3.2.1  Jogdial
          3.2.2  Touchpad, Handwriting Sensor, and Touch-Sensitive Controls
          3.2.3  Hard Key Controls
     3.3  Steering Wheel Thumpad

4.  Audio

5.  Phone
     5.1  Placing a Phone Call to a Contact
     5.2  Dialling a Number Using Manual Controls

6.  Navigation

7.  Final Impressions and Infotainment Benchmark Score

8.  Conclusions

9.  Analyst Contacts

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