User Experience Evaluation: High-Speed Autonomous Driving in 2015 Mercedes S-Class
Hidden Controls and Lack of Consistent Warnings for Sub-system Failures Will Impact First-time Users
BOSTON, Sept. 10, 2015 /PRNewswire/ -- Semi-autonomous driving systems have the potential to be a game-changer. Allowing the attention requirements of a driver to be greatly lessened, cognitive load is freed up for non-driving related tasks such as light engagement with passengers or viewing scenery. Long stretches of motorway driving at speed can potentially become safer and more enjoyable experiences.
A recent expert review from the In-vehicle UX (IVX) group at Strategy Analytics (www.strategyanalytics.com) has evaluated one such system: the high-speed autonomous driving system in the 2015 Mercedes S-Class. Overall, the feature has many positives. When all systems are functioning normally, the ride on a motorway is smooth and steady; the vehicle properly maintains its speed, following distance, and position in the center of the lane. The instrument cluster display is sharp and visually appealing, attention alerts are not unsettling, and 'hand-offs' feel natural. In addition, intentional take-overs by the driver are accomplished without having to fight the system for control.
However, there were several issues encountered which impeded first-time users. Hidden controls make first-time use a challenge and scattered, unintuitive iconography on the cluster exacerbates this problem. But most notable and problematic of these flaws is the lack of consistent warning for sub-system failures, particularly steering assist.
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Derek Viita, Senior Analyst and report author commented, "Semi-autonomous systems are touted as ways to let the driver focus on other things for short periods of time. But this requires all sub-systems to reliably warn the driver every time it turns off. If one sub-system fails, this entire experience fails."
Chris Schreiner, Director, User Experience Innovation Practice added, "A semi-autonomous system with holistic HMI, developed with the user experience taken into full account, could be the gateway to improved consumer acceptance of driverless technology. But in order for that to happen, it is important that these crucial user experience flaws are resolved in future models."
About Strategy Analytics
Strategy Analytics, Inc. provides the competitive edge with advisory services, consulting and actionable market intelligence for emerging technology, mobile and wireless, digital consumer and automotive electronics companies. With offices in North America, Europe and Asia, Strategy Analytics delivers insights for enterprise success. www.StrategyAnalytics.com
About In-vehicle UX
The In-vehicle UX group forms part of the User Experience Innovation Practice (UXIP) at Strategy Analytics. Focusing on user behaviors, motivations and interests within in-vehicle, mobile device, connected home and media & services research areas, UXIP helps clients meet consumer needs, develop usable solutions and deliver compelling user experiences. Extensive expertise and highly experienced in large-scale survey work, in-depth interviews, focus groups and observational sessions, UXIP's research methodology allows strategic user-centric analysis on the potential for new technologies that would otherwise be unavailable. Providing actionable insight, go-to-market strategies and business recommendations, UXIP is a leading supplier of consumer knowledge to the technology industry. Click here for more information.
Press Contacts
US Contact: Derek Viita, +1 617 614 0772, [email protected]
European Contact: Diane O'Neill, +44 (0)1908 423 669, [email protected]
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SOURCE Strategy Analytics
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