The Bosch ME 2.0 (Motor Electronics) is a legacy Engine Control Unit (ECU) primarily found in mid-to-late 1990s Mercedes-Benz vehicles, such as the W210 E-Class and W202 C-Class
by soldering specific jumpers (e.g., J3 and J4) to mimic a valid immobiliser signal. Installation and Swap Considerations bosch me20 pinout verified
: Typically connected via the main relay pins and ignition switch signals. Ground (GND) The Bosch ME 2
Elias referred to his verified pinout guide, a weathered PDF he’d trusted for a decade. He carefully back-probed the connector, avoiding the face to prevent spreading the female terminals. Red wire to 12V power, black to ground. He flipped the switch. The ECU didn’t just power up; it pulsed. He carefully back-probed the connector, avoiding the face
| Pin # | Signal Name | Description | | --- | --- | --- | | 51 | CAN_H | CAN bus high | | 52 | CAN_L | CAN bus low | | 53 | Serial_RX | Serial communication receive | | 54 | Serial_TX | Serial communication transmit |
Before diving into the pinout, you must identify which ME20 sub-version you have.
Scribd Technical Guides confirm power distribution via Connector A.