Mercedes Benz

The diagnostic trouble code P0303 indicates a misfire detected in cylinder 3 of your vehicle's engine.

The diagnostic trouble code P0128 in your Mercedes-Benz indicates a problem with the thermostat's heating element for the two-disk thermostat.

The diagnostic trouble code P0128 in your Mercedes-Benz indicates a problem with the thermostat's heating element for the two-disk thermostat.

The fault code P179A77 in your Mercedes-Benz indicates a malfunction in the redundancy system for the DIRECT SELECT gear shifter.

The diagnostic trouble code P0304 indicates that there is a misfire detected in cylinder 4 of your vehicle's engine, and this misfire has potentially caused damage to the Three-Way Catalytic Converter (TWC).

The fault code P0108 in a Mercedes-Benz indicates an issue with the Manifold Absolute Pressure (MAP) sensor, also referred to as sensor B28.

The fault code P0451 in your Mercedes-Benz indicates a problem with the Fuel Tank Pressure Sensor, also known as sensor B4/3.

The diagnostic trouble code C426 typically relates to issues with the Tire Pressure Monitoring System (TPMS) in Mercedes-Benz vehicles.

The ABS (Anti-lock Braking System) and TCS (Traction Control System) warning lights coming on, along with specific fault codes, can indicate issues with your vehicle's braking and traction control systems.

When you need to check the Controller Area Network (CAN) communication with control unit N80, which is the Steering Column Module, and specifically within the Interior CAN bus, you'll typically follow a series of diagnostic steps.

Relay 'Circuit 87' ( Engine ) (P2505)