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Mercedes-Benz Used Car Website Revamp

UX/UI Design | B2C website
About

The Mercedes-Benz Used Car Website (MB Select), as the official channel for the sale and purchase of certified used cars, has the business objective of increasing the number of individuals selling their certified used cars by redesigning the website.

Solution

By conducting stakeholder interviews and applying the 10 Usability Heuristics, the website redesign aimed at enhancing the overall user experience and increasing conversion rates.

Website link →
Task & Deliverables
UX/UI Design: Wireframing, prototyping, and design system creation.
User Research: Stakeholder interviews
Team Members
Collaborated with 1 Project manager,  1 Front-end engineer, and 1 Back-end engineer
Timeline
2022.June-December

Outcome

Delivered a revamped used car website with optimised navigation and user flow. These improvements resulted in increased traffic to the 'buy car' page and a 15% boost in conversion rates.
Plus, I established a UI/UX specification document for the design team to follow, in communication with the developers.

Impact

Demonstrated expertise in design for an e-commerce-like platform. Translated user behaviour insights into effective solutions, directly contributing to increased conversions. Showcased ability to drive measurable business impact through strategic UX improvements in a competitive market.
The UI/UX specification document helped facilitating seamless collaboration between design and development teams.

Design Process

Design Research-
Stakeholder interview

After four stakeholder interviews and user feedback, I have identified four significant pain points.

Design Research-
Competitive Analysis

I selected benchmark and competitive brands such as BMW, Audi and Lexus for specific project research.

Mainly focused on car information content and presentation. Including: number of card displays, page scrolling ways, filter design, etc.

I put the collected information on a Figma canvas for easy organisation and reporting.

UX/UI Design

Highlight 1

Homepage Redesign

Created eye-catching entry: Enlarge and highlight “Sell My Car (我要賣車)” and “Buy Car (我要買車)”.

Homepage link →
Design Highlights
✅ Allows users to quickly find the information they need and easily achieve their desired actions.
Highlight 2

Car Search Page


Add filter and search function to provide users with clearer and more convenient guidance for searching for cars.

Car Search Page link →
Design Highlights
✅  Improves the user experience, making it easier and faster for users to find their desired vehicles.
Highlight 3

Car Listings Page


Provide multiple ways to search for vehicles, including 'Recommended', 'Popular', 'Model', 'By Body Type', 'By Price' and 'By Keywords'.

Car Listings Page link →
Design Highlights
✅  Enhances the user experience by offering flexible and tailored search options to meet diverse user needs.
Highlight 4

Car Details Page


Consider the presentation of information on the page, redesigned the layout, and also added a photo filtering function.

Car Details Page link →
Design Highlights
✅  Enhance user engagement and streamline the process of finding relevant car details.

MOCKUP

Responsive design(RWD) is taken into consideration.

32 pages in total.

Design System &
UI/UX Spec

By Building Design system and UI/UX spec to promote better team collaboration and to accelerate development efficiency.
Besides, my UI/UX spec documentation became the template adopted by the design team, which will be used in other projects in the future.

Content Management System Planning

I used Class diagrams to expand the requirements for related data, such as model, style, photos, exhibition locations, etc. and created wireframes for the back-end to communicate with the client.

Key Learnings

In this project, I applied my previous experience from Frog Design to independently design the entire website and gained valuable experience.
1. Client Interaction:
• Improved skills in understanding and meeting client needs through regular communication.
• Example: Conducted stakeholder interviews to clarify design goals, enhancing project success.
2. Collaboration with Developers:
• Ensured design feasibility and alignment with technical requirements by closely working with developers.
• Example: Organised design review meetings to discuss feasibility and incorporate feedback.

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