What does code P1625 mean?

Q: What does code P1625 mean?

Check Engine MIL. This code indicates that the Mercedes-Benz engine control module has detected a condition requiring the Check Engine MIL (Malfunction Indicator Lamp) to be illuminated, often as a command from another module or a self-test failure within the ECU's lamp circuit. The computer is not reporting a specific drivability fault but rather a problem with the warning lamp activation path or a request from a related system.

DTC codes / Mercedes-Benz codes / P1625

P1625 · Mercedes-BenzCheck Engine MIL

This code indicates that the Mercedes-Benz engine control module has detected a condition requiring the Check Engine MIL (Malfunction Indicator Lamp) to be illuminated, often as a command from another module or a self-test failure within the ECU's lamp circuit. The computer is not reporting a specific drivability fault but rather a problem with the warning lamp activation path or a request from a related system.

SystemPowertrain

Code typeMercedes-Benz specific

SeverityLow

Fix difficultyIntermediate

AreaComputer and output circuits

Guidance is general and written for Mercedes-Benz vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.