
We built a single analytics platform that unifies dealer-quality surveys and KPI reporting for Mercedes-Benz, replacing scattered tools and Excel bases with a coherent, role-based web app. The experience is responsive and designed for reading large data sets quickly.

The task was to create an internal system for dealer employees and Mercedes-Benz to conduct quality surveys and analyze results — reducing the number of internal/external IT systems and independent Excel databases used with dealer KPIs.
We respected Mercedes-Benz guidelines and unified charts using react ag-Grid, FusionCharts, and FusionMaps — speeding frontend delivery and keeping visuals consistent.

Results with Dealers and District filtres
A tabular view tracks results by city, country, and dealer; the UI highlights trend dynamics to help managers act quickly at each dealer center.

Results by category
A ranked histogram shows the distribution of scores by dealer — making it easy to spot excellent/average/weak performers.

Histogram of dealer results
A combined view (pie + bars) compares current and previous periods, revealing trend shifts that drive corrective actions.

Period comparison
For a chosen study and dealer, the platform shows result dynamics and a questionnaire table to analyze specifics.

Result per-dealer
Adaptive layouts make core widgets usable on smartphones for field managers.

Mobile version for Results
We integrated with the internal OpenID-based authorization system so users sign in once across corporate resources.

Authorization screen
Together with the client, we introduced a single documentation format to speed business input and ongoing change management.

A single documentation format
We interviewed dealer reps, shared clickable prototypes with multiple interface states, and iterated to support expansion and growth.

Clickable prototypes with multiple interface states
We selected GraphQL to flexibly serve diverse UIs/consumers; despite the extra effort under Windows/IIS with MS SQL, it paid off in convenience and scalability.
Mitigation. We fixed a short, weekly milestone rhythm and only moved forward after each milestone was approved.
Mitigation. We booked fixed review windows and applied a “silent approval after 48 hours” rule for non-critical items.
Mitigation. We kept specs and demo recordings up to date and assigned a backup owner for each critical area.
One platform now consolidates dealer-quality surveys and analytics for Mercedes-Benz. Managers get clearer, faster dashboards (region → dealer → questionnaire) with consistent visuals and SSO, and field teams can review key widgets on mobile — reducing effort and improving decision speed.