2024 Mercedes-Benz GLS-Class Coolant in Sudbury, MA

These symptoms can reflect depleted coolant protection or a leak in the cooling system. Do not open the system while it is hot or pressurized; checking it is done cold. A pressure test helps determine whether the vehicle needs coolant service, leak repair, or both.

• Temperature gauge running higher than usual
• Sweet smell or a puddle under the front of the vehicle
• Rusty, cloudy, or low coolant in the reservoir

The refill uses the coolant type and concentration the manufacturer specifies for this vehicle. Pressure testing helps identify leaks that a fluid-level check may miss. The inspection adds a visual review of the components that contain and circulate coolant.

• Drain and refill with manufacturer-specified coolant
• Cooling-system pressure test for leaks
• Inspection of hoses, cap, radiator, and water pump area

Coolant additives deplete while the fluid can still appear normal, so appearance alone is not a reliable maintenance guide. Coolant condition can be tested during a service visit between scheduled maintenance points. A pressure test can also identify a leak that requires attention.

• Maintenance information determines the applicable schedule
• Condition testing evaluates the coolant between service points
• Pressure testing checks for leaks in the system

The correct formulation protects the system's aluminum and gasket surfaces as well as carrying heat. Colour is not a reliable guide to what is in the bottle, so fluid should not be selected by appearance. Mercedes-Benz of Sudbury can verify the appropriate service procedure for the vehicle.

• Use the manufacturer-specified coolant type
• Do not treat different coolants as interchangeable
• Do not use colour alone to identify coolant

A level that keeps dropping points to a leak rather than normal consumption. The cooling system is under pressure and hot after running, so do not open it then; checking is done cold. Book an inspection so the coolant condition and system pressure can be evaluated together.

• Level correction does not renew depleted additives
• A recurring drop can indicate a leak
• Check the system only when it is cold

The service visit can assess coolant condition, pressure-test the system, and inspect the hoses, cap, radiator, and water pump area. Mercedes-Benz of Sudbury is at 141 Boston Post Road, Route 20, Sudbury, MA 01776. You can also review current service specials before booking.

• Use the online service scheduler
• Call 351-217-3575
• Visit 141 Boston Post Road, Route 20, Sudbury, MA 01776