Mercedes-Benz Error Code P1746: How to Fix It

Q: What does Mercedes error code P1746 mean?

P1746 indicates the transmission pressure regulator is sending a current signal that's higher than expected. This typically points to electrical problems with the pressure regulator solenoid or wiring issues.

Q: Can I drive with P1746 error code?

You should avoid driving with P1746 as it can cause transmission damage. The error affects transmission pressure control, potentially leading to harsh shifts, slipping, or complete transmission failure.

Q: How much does it cost to fix Mercedes P1746?

Repair costs vary from $150-300 for solenoid replacement to $2000-4000 for internal transmission repairs. Early diagnosis and repair typically cost much less than waiting until transmission damage occurs.

Q: Is P1746 covered under Mercedes warranty?

P1746 may be covered under powertrain warranty if the vehicle is within warranty period and the issue isn't due to maintenance neglect. Check your specific warranty terms and service history requirements.

Q: What causes Mercedes P1746 error code?

Common causes include faulty pressure regulator solenoid, damaged wiring, corroded connectors, low transmission fluid, contaminated fluid, or internal transmission valve body problems.

Abstract

Mercedes-Benz error code P1746 indicates a pressure regulator current signal that's reading abnormally high in your transmission control system. This serious error can cause transmission shifting problems, reduced performance, and potential transmission damage if not addressed promptly.