12.3" Digital LCD Instrument Cluster For Mercedes-Benz | Linux Dashboard Speedometer Upgrade

Q1: Does this cluster reuse the original Mercedes PCB (mainboard), or does it replace the factory electronics? If the PCB is reused, which components need to be transferred?
A: It keeps the OEM original PCB (mainboard). No extra components need to be transferred.

Q2: Will my original odometer mileage and service data remain unchanged without programming?
A: No programming is required. The original odometer mileage and service data will be fully retained.

Q3: Are all critical factory warnings retained, including check engine, ABS/ESP, SRS/airbag, brake, TPMS, coolant temperature, low fuel, seat belt, turn signals, high beam, and door/hood/trunk warnings?
A: Yes. All factory warning notifications and alert functions are fully retained.

Q4: Do the original steering‑wheel controls, instrument menus, service/maintenance information, and factory radio/Bluetooth/media information continue to work?
A: Yes. All original steering‑wheel controls, instrument menus, service data and factory radio / Bluetooth / media information remain fully functional.

Q5: Can the cluster be set to U.S. units, including MPH and °F?
A: Yes. Measurement units can be switched manually in device settings, supporting MPH, °F and other US‑standard units.

Q6: Please confirm the CPU, RAM, native resolution, hardware revision, and current firmware/software version.
A: Two versions of this digital instrument cluster are offered:

Basic (Standard) Model

• Native Screen Resolution: 1920×720
• Operating System: Linux
• Main Chip: 64‑bit Quad‑core ARM Cortex‑A55 @1.4 GHz with GPU (60fps)
• RAM: 512 MB
• Internal Storage: 4 GB
• Boot‑up Time: 2 seconds
• UI Themes: 11 sets
• HDMI Output: Not supported

Upgraded (Premium / PRO) Model

• Native Screen Resolution: 1920×720
• Operating System: Linux
• Main Chip: 64‑bit Quad‑core ARM Cortex‑A55 @1.4 GHz with GPU (60fps)
• RAM: 2 GB
• Internal Storage: 16 GB
• Boot‑up Time: 2 seconds
• UI Themes: 12 sets + 1 multi‑color‑changing theme (5‑color options)
• HDMI Output: Supported

Hardware revision and firmware versions are continuously updated; please contact us for the latest build information before purchase.

Q7: Your listing mentions low standby current. What is the measured standby draw after the vehicle has fully gone to sleep, and are there any known battery‑drain or CAN‑bus wake‑up issues?
A: This instrument displays remaining driving range instead of direct battery‑level readout. There are no known battery‑drain or unintended CAN‑bus wake‑up issues under normal working conditions.

Q8: What is the cold boot time after the car has fully gone to sleep?
A: Cold boot time after full vehicle sleep mode: 5‑8 seconds.

Q9: Is any coding required, and is installation fully reversible?
A: No coding is required for installation. The modification is fully reversible; you can revert back to the original factory instrument cluster at any time.

Q10: What warranty and after‑sale technical support are included?
A: This product comes with a 365‑day manufacturer warranty. We also provide professional after‑sales technical support for installation, configuration and firmware‑related issues.

How are firmware updates performed, and are future updates available to customers?

Both OTA online cloud upgrade and USB local firmware upgrade are supported. Future official firmware updates are available for end‑users.

OTA cloud upgrade does not require manual file copying for simple operation.