D-Sync ECU
LUN LIU Utilities iPhoneiPadiPod touch
D-Sync ECU is a free Utilities app for iPhone and iPad by LUN LIU. Requires iOS 15.0. Updated October 13, 2026.
- Price
- Free
- on the App Store
- Size
- 34 MB
- Age 4+
- Updated
- Oct 13
- 2026 · v2.3.1
Screenshots
About D-Sync ECU
D-SYNC ECU is the ultimate calibration platform for Mercedes-AMG and Mercedes-Benz owners who demand more from their vehicles. Unlock your car's full potential — D-SYNC delivers a seamless, wireless tuning experience straight from your phone. No laptop, no cables, no dealer. SUPPORTED ENGINES • M177 4.0L V8 BiTurbo — C63 S, E63 S, S63, GT 63 S, GLE 63 S, GLC 63 S, and more • M178 4.0L V8 BiTurbo — AMG GT / GT S / GT C / GT R / Black Series • M276 3.0L V6 BiTurbo — C43, E43, E450, GLC43, GLE43, S400, and more • M157 / M278 5.5L & 4.7L V8 BiTurbo — S63, CLS63, GLE63, GLS63, ML63, E63, and more • M133 2.0L Turbo — CLA45, A45, GLA45 (Gen 1 / 1.5) • M256 3.0L Turbo inline-six — E53, CLS53, GT53, GLE53 and 450 models PLUS TRANSMISSION TUNING AND CPC TUNING • 9G-TRONIC (VGS-NAG3) — write calibrations directly to the 9-speed transmission controller • CPC NG - write customized calibrations to a replaced CPC NG module. Compatible control units: Bosch MED17.7.5 · MED17.7 V6LA · MED40AMG · MED17.7 (M157/M278) · Bosch MG1 (M256) · VGS-NAG3 (9G) · CPCNG HIGH-SPEED DATA LOGGING • Ready-made logging presets per engine, plus build-your-own profiles (up to 20 channels) • Boost, intake temps, knock, AFR/lambda, timing and 70+ parameters in real time • Auto-records your pull and saves it as a CSV tagged by VIN, date and time • Powerful viewer — multi-channel overlay, drag-to-read cursor, time-axis zoom and stacked view • One-tap cloud sharing so your tuner can refine the calibration LIVE HUD Turn your phone into a full-screen instrument cluster while you log. Big, glanceable gauges with per-cylinder knock and misfire, camshaft timing, and automatic over-limit alerts — portrait or landscape, with dedicated layouts per engine. Display only: it never touches your recording. EXHAUST POP & BANG TUNER (AMG only) Dial in custom exhaust pops & bangs on OTS tunes — presets plus advanced control, applied at flash. DTC DEACTIVATION Deactivate diagnostic trouble codes across all firmware versions, applied at flash. VEHICLE CODING (beta) Activate hidden features and adjust factory coding — including W205 brake/model coding and AMG 63 exhaust-flap coding. Supported coding is listed at d-syncworks.com. CONTROL-UNIT REPLACEMENT & CLONING (beta) Clone-write the next-generation Common Powertrain Controller (CPC NG), including control-unit replacement. AIRMATIC SUSPENSION CONTROL (beta) Dial in ride height on supported AIRMATIC chassis — AMG GLE/GLS (W167), S-Class (W222) and E-Class (W213). Save your favorite stances and recall them in a tap. ON-BOARD DIAGNOSTICS Read and clear fault codes with plain-language descriptions, right from the app. BUILT FOR AMG Every detail is engineered around the Mercedes platform — automatic ECU identification, per-vehicle configuration, and a tuner ecosystem that speaks your language. WHAT YOU NEED • D-SYNC D1 Bridge — WiFi hardware adapter (sold separately at d-syncworks.com) • A supported Mercedes-AMG / Mercedes-Benz listed above • A D-SYNC account and license Questions or support? Visit d-syncworks.com Note: M256 flashing requires a one-time bench unlock before wireless flashing is available. ** This racing product is for competition, closed-course use only. *** Use of this software may void portions of your vehicle's factory warranty. Some items may not be legal for on-highway use. D-SYNC makes no guarantees as to the legality of any parts used on highway vehicles and accepts no responsibility for compliance with your vehicle's factory warranty.
What’s new
Version 2.3.1 · Updated October 13, 2026
V2.3.1 Now brings Multi-Language support and a new login screen.
App privacy
The developer, LUN LIU, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
Alternatives to D-Sync ECU
Looking for apps like D-Sync ECU? Here are 6 similar apps on the App Store. The highest rated is TTS Tuning (5.0/5), and all 6 are free to download.
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