For Benz compact 4 is a latest Daimler Chrysler wireless multiplexer. It will connect to the PC by wireless connection.

Functions for BENZ STAR C4

The system offers total diagnostic coverage of all engine, chassis and body systems:
Reading and re-setting of diagnostic trouble codes (DTC)
Real-time reading of dynamic data
Full component activation clearing and re-setting of adaptation values
Coding of all engine, chassis, body and instrumentation modules
Key configuration
Procedure for fitting for Mercedes accessories through the D2B ring and MOST bus
Total ASSYST / ASSYST + control (Active Service System) to update on board service history
DAS: Concise interface and straightforward operation using a wintel computer you can realize a quick and accurate code reading and testing on the cars system.

Features for BENZ STAR C4

Engines (All Gasoline & Diesel Systems)
Transmissions and Electronic Selector Modules
Airmatic and Active Body Control Suspension Systems
Traction Systems: ESP / ASR / ETS / ABS / BAS / SBC braking systems
Supplementary Restraint Systems (SRS) / Airbag, All body modules OCP / UCP / LCP / SCM / SKF / KFB / RCM / DCM’s
Drive Authorisation System
Sam (Signal Acquisition) Modules
Electronic Ignition System (EIS)
Pneumatic System Equipment and ATA functions
Air Conditioning / climate control Systems
Instrument Cluster
Tyre Pressure Control
Parktronic System
Keyless Go
D2b Command & Audio Gateway (D2B and MOST networks)
TV Tuner
Headlamp Range Adjustment
Seat Electronics
Rvc, RST & Vario Roof modules
Automatic Clutch System ACS
M-Class Body Modules (AAM / EAM / DAS / SEM / VG Transfer Case)
Assyst & ASSYST + systems
Compatibility: All for Mercedes vehicles with OBDII