2023 Mercedes-Benz CLS-Class Coolant: Specs & Service

The 2023 Mercedes-Benz CLS-Class is a premium sedan with a 3.0-liter inline-six engine, all-wheel drive and a cooling system that supports confident daily driving in Draper, UT. Coolant service at Mercedes-Benz of Draper helps maintain the fluid's protective additives while checking the system for leaks that can affect temperature control. The service includes draining and refilling with the manufacturer-specified coolant type and concentration, pressure testing the system, and inspecting key components. A temperature gauge running higher than usual, a sweet smell, a puddle, or coolant that looks rusty or cloudy are reasons to book an appointment. Testing separates coolant condition from a leak requiring repair.

What a coolant service on a 2023 Mercedes-Benz CLS-Class involves

Coolant service begins by draining the existing coolant and refilling the system with the coolant type and concentration the manufacturer specifies for the 2023 Mercedes-Benz CLS-Class. The system is then pressure tested to help identify leaks that may not be obvious during a visual check. Alongside that test, the technician inspects the hoses, cap, radiator and water pump area for conditions that could affect cooling performance.

This process addresses both fluid condition and system integrity. Coolant can continue to circulate while its protective additives become depleted, while a small leak can gradually lower the reservoir level. A pressure test helps distinguish a service need from a repair need, giving the inspection a practical purpose rather than treating every low level as a simple refill. If your vehicle shows a warning sign or you want its cooling system evaluated, schedule service at Mercedes-Benz of Draper.

Why coolant condition matters on a 2023 Mercedes-Benz CLS-Class

Coolant does more than carry heat away from the 3.0-liter inline-six engine. Its additive package helps protect aluminum and gasket surfaces inside the cooling system from corrosion and deterioration. Those additives deplete on a timetable of their own, even while the coolant still looks like coolant and continues to move heat effectively. That is why appearance alone cannot establish whether the fluid remains protective.

Condition is best considered through the manufacturer's maintenance schedule and testing during a service visit. A rusty, cloudy or low reservoir may point to a problem, but clean-looking fluid does not prove that its additives are still doing their job. The temperature gauge, visible leaks and odors also provide useful clues, while pressure testing can identify a leak that fluid replacement cannot correct. For the 2023 Mercedes-Benz CLS-Class, a cooling-system inspection helps determine whether service is due or further diagnosis is needed.

Cooling system service at Mercedes-Benz of Draper

Mercedes-Benz of Draper provides cooling-system service for drivers bringing a 2023 Mercedes-Benz CLS-Class to its Draper service department. The visit focuses on the condition of the coolant and the system's ability to hold pressure. Draining and refilling addresses the fluid, while inspection of the hoses, cap, radiator and water pump area looks for conditions that may require repair. This combination helps avoid treating a recurring low level as a routine top-off.

Booking the service gets the coolant's condition and the cooling system's pressure tested. That distinction matters because depleted additives call for appropriate coolant service, while a pressure loss points toward a leak inspection. To arrange an appointment, schedule service at Mercedes-Benz of Draper, 11548 Lone Peak Parkway, Draper, UT 84020, or call 385-425-5461.