OBD Suspension Lowering Module — Setup Guide for Mercedes

Overview

Module stores 2 modes: “Low” and “Stock”.
Default Low = −20 mm.
Available steps: −10, −20, −30, −40, −50, −60, −70 mm (10 mm step).
After −70 mm cycle → −10 mm.

IMPORTANT: display indications may take up to 30 s to appear.

Preparation
Turn ignition on (press START/STOP twice) WITHOUT brake pedal .
Wait ~15 s for system boot. Insert the module into the OBD2 port.

 How to set “Low” (default −20 mm) Insert module into OBD2.

Observe the central display: one BLUE blink = “Low” accepted.
Turn ignition off and remove module.
Start the car and close all doors — suspension will adjust to selected height.

How to return to stock settings

Repeat Preparation (ignition on, wait ~15 s, insert module).
Wait for two green blinks = stock settings accepted.
Turn ignition off, remove module, then start the car.
Suspension will return to FACTORY height .

How to change “Low” value (example −20 → −30 mm)

Turn ignition on (brake released), wait ~15 s.
Insert module and immediately PRESS and HOLD the brake pedal.
Observe central screen : two RED blinks = current value −20 mm;
after blinks finish,SHORT-press the brake once → display will blink three times RED = −30 mm.
each short press shifts value by −10 mm; after −70 mm the cycle returns to −10 mm.
Note: always wait for blinks to finish before the next press.

How to save selected value

When the display shows the required number of red blinks (e.g. 3 for −30 mm), press and hold the brake pedal.
Hold until the display blinks once BLUE = value saved as “Low”.
At this stage module will have following settings :
1) low -30mm
2) factory height

Turn ignition off and remove module.
Start the car and close doors — saved height will be applied.

Notes
Perform all actions with ignition on , engine is OFF . Do not act until display blinks complete. If indicators are missing or behavior is abnormal, contact support.

WhatsApp: +375298568502 .