You will always enjoy the most comfortable temperature inside the GL. The THERMOTRONIC luxury automatic climate control system allows you to make separate temperature settings for driver, front passenger and the second seat row. THERMOTRONIC is already included as standard in the GL 450 CDI 4MATIC, GL 450 4MATIC and GL 500 4MATIC.
The THERMATIC automatic climate control system finds the optimum temperature in the GL 350 CDI 4MATIC BlueEFFICIENCY and the GL 350 BlueTEC.