Mercedes-Benz Error Code P1747: How to Fix It

Q: Can I drive my Mercedes with P1747 error code?

You should avoid driving with P1747 as it can cause transmission damage. The vehicle may go into limp mode with limited functionality. If you must drive, keep speeds low and get to a repair facility immediately.

Q: How much does it cost to fix Mercedes P1747 error?

Repair costs vary widely depending on the root cause. Simple fixes like cleaning connections cost under $100. Pressure regulator solenoid replacement typically runs $300-800. Internal transmission damage can cost $2000-5000 to repair.

Q: What causes P1747 error code in Mercedes?

P1747 is commonly caused by a faulty pressure regulator solenoid, damaged wiring harness, poor electrical connections, low transmission fluid, or internal transmission wear affecting pressure regulation.

Q: Is P1747 covered under Mercedes warranty?

Coverage depends on your vehicle's age and mileage. Powertrain warranties typically cover transmission components for up to 4 years/50,000 miles. Extended warranties may provide additional coverage for electrical components.

Q: How do I prevent P1747 error code from returning?

Regular transmission service every 40,000-60,000 miles, using only MB-approved transmission fluid, avoiding aggressive driving, and addressing transmission issues promptly can help prevent P1747 and other transmission codes.

Abstract

Mercedes-Benz error code P1747 indicates a problem with the transmission pressure regulator where the current signal is reading too low. This can cause harsh shifting, transmission slipping, or the vehicle going into limp mode to protect the transmission from damage.