Mercedes WIS ASRA | OEM Repair Data, Wiring Diagrams & Labor Times

Mercedes WIS ASRA 07.2021 – OEM Repair Information & Labor Time System

Mercedes WIS ASRA is the official factory information system used by Mercedes-Benz dealerships for accessing repair procedures, wiring diagrams, technical documentation, and labor time calculations.

This platform provides complete workshop-level access to OEM repair data, enabling technicians to perform accurate diagnostics, follow manufacturer procedures, and calculate repair times based on factory standards.

What is WIS & ASRA?

WIS (Workshop Information System) delivers detailed repair instructions, component locations, system descriptions, and wiring diagrams for Mercedes-Benz vehicles.

ASRA (Arbeitswerte System) is the official labor time system used by Mercedes-Benz to calculate repair times, service operations, and workshop cost estimations.

Together, WIS & ASRA form the core technical database used in dealership environments for accurate vehicle servicing and repair workflows.

Core Functions & Capabilities

• OEM Repair Procedures: Step-by-step factory repair instructions
• Wiring Diagrams: Detailed electrical schematics and circuit layouts
• Labor Time Calculations (ASRA): Official repair time standards
• Component Locations: Visual identification of parts and assemblies
• Maintenance & Service Data: Factory service schedules and procedures
• Technical Documentation: System descriptions and operation logic
• Vehicle-Specific Information: VIN-based data access

Integration with Mercedes Diagnostic Systems

WIS ASRA is designed to be used alongside Mercedes Xentry, allowing technicians to combine diagnostic results with OEM repair instructions and wiring diagrams for accurate troubleshooting and repair execution.

For advanced engineering and coding operations, tools such as DTS Monaco and Vediamo can be used in conjunction with WIS documentation to understand system architecture and control unit behavior.

Vehicle Coverage

• Brand: Mercedes-Benz
• Coverage: Passenger cars, vans, and light commercial vehicles
• Range: Broad model support up to 2021 database release

System Requirements

• Operating System: Windows 10 Pro 64-bit
• Processor: Intel Core i5 or higher
• Memory: 8GB RAM minimum
• Storage: SSD recommended
• Display: Full HD (1920×1080)

What’s Included

• Mercedes WIS ASRA 07.2021 software
• Full repair data and wiring diagram database
• ASRA labor time calculation system
• Remote installation and setup
• Quick user guide included
• Technical support for 1 month for setup related issues
• License valid for 1 PC

Frequently Asked Questions

Is WIS ASRA a diagnostic tool?
No. It is a technical information system that provides repair instructions, wiring diagrams, and labor times. Diagnostics are performed using Xentry.

Do I need Xentry with WIS ASRA?
Yes. WIS ASRA is typically used alongside Xentry to translate diagnostic results into accurate repair procedures.

Does it include wiring diagrams?
Yes. It includes full OEM electrical schematics and system diagrams.

What is ASRA used for?
ASRA calculates official labor times for repairs and service operations based on Mercedes factory standards.

Is this useful for workshops?
Yes. It is essential for professional workshops that require accurate OEM repair data and labor time calculations.

Get Started

Access official Mercedes-Benz repair data, wiring diagrams, and labor time calculations with WIS ASRA — the foundation of every professional workshop and dealership service operation.