Mercedes-Benz P1491: A/C Refrigerant System Pressure Too High
Is your scanner showing Mercedes-Benz P1491?
No worries. We'll show you what it means and how to deal with it.
Mercedes-Benz P1491: A/C Refrigerant System Pressure Too High
OVERVIEWWhat Are The Potential Causes Of The Mercedes-Benz P1491 Code?
- Check A/C refrigerant levels.
- Check for frost on A/C lines, indicating blockage.
- Receiver-drier.
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> EZ Chill A/C R-134A Refrigerant Recharge Kit
>>> A-Premium A/C Discharge Line Hose Assembly
>>> Mercedes-Benz A/C Receiver Drier
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
Mercedes-Benz P1491, DTCDECODE.