Mercedes Benz Compatible Coolant Overflow Reservoir With Sensor Cap For 2006 2015 GL And ML SUVs Keeps Your Engine Running Cool No Fuss Install Expansion Bottle Replacement Fits GL320 GL350 GL450 GL500 GL550 ML350 ML450 ML500 ML550

Single replacement sensor-cap coolant overflow tank for GL/ML
✔️ sensor-equipped reservoir with real-time level/temperature alerts

The coolant overflow reservoir stores excess coolant during engine heat cycles and returns it as the engine cools, helping maintain stable temperature and pressure. This sensor-cap version is designed for Mercedes GL and ML SUVs from 2006 to 2015 to provide real-time monitoring and alerts.

✅ OE numbers: 1645000049, 603-256, 603256, 164500004928
✅ Real-time sensor monitors coolant level and temperature with alerts
✅ Rugged, corrosion-resistant reservoir built for engine compartments
✅ Fits 2006-2015 GL/ML models including GL320/GL350/GL450/GL500/GL550/ML320/ML350/ML450/ML500/ML550/ML63 AMG/SLS AMG

💡 What is a coolant overflow reservoir with a sensor cap used for on Mercedes GL/ML SUVs? This handy part helps manage engine cooling by storing excess coolant and alerting you when levels or temperature are off track. - It enables real-time monitoring of coolant level and temperature
- It helps prevent overheating by signaling when to top off coolant or inspect for leaks
- It fits 2006-2015 GL/ML models with the sensor-cap version