Freeze and Boil Protection : Coolant’s additives will stop the fluid, and in turn the engine, from freezing in winter and boiling in summer, so your car runs safely in any weather. Cars made before 1998 usually need antifreeze that isn't OAT-based and does contain silicate. Antifreeze at Halfords You can ensure the longevity and efficiency of your vehicle’s cooling system by regularly replacing your Mercedes-Benz coolant. When you visit us at South Coast Garage, our specialised technicians will expertly flush, drain, and refill your coolant system with the correct coolant. You can trust us to keep your Mercedes-Benz running like new. Top Tips for Maintaining Your Mercedes-Benz Cooling System

is the usual spec for passenger cars and the approved coolants are typically the aforementioned G48 and G05. A w203 would've been filled with one of these when new i believe, exact flavour and colour would depend on who MB were buying coolant from at the time... To help clear some of the confusion up on the more technical details of antifreeze and coolants we enlisted the help of Martyn Mann – Technical Director, Millers Oils UK - who has provided the information below. Cooling systems’ harsh environment may damage sensitive electronic circuitry inside this sensor, making its readings incorrect. The easiest way of solving the issue is by replacing the sensor, which is easy to replace and inexpensive. In addition, damaged wiring and loose or broken connectors are something owners should not rule out. ConclusionThe error message does apply to every single Mercedes-Benz vehicle with diesel or petrol engine (except Electric Vehicles in short EV), so if you have mercedes benz in your garage sooner or later, this message will pop out on the car's dashboard.

Here, drivers may choose between several brands, most of which are available in several colors. If you buy coolant from a part store, ask the sales representative to look up the correct coolant for your Mercedes-Benz. Mercedes Benz owners should ensure they have a coolant that meets manufacturers’ specifications. In most cases, the Mercedes-Benz engine coolant must meet MB 625.5 specifications. See the owner’s manual. So why is coolant important? Coolant is necessary for transferring the heat of the engine in a safe way. It prevents engine damage by limiting the range of temperatures an engine has to endure. If the engine is exposed to either freezing or boiling, then excessive damage might occur. A good coolant will include an antifreeze so that even in very cold temperatures, your engine is protected. Which cars does show Top Up Coolant See Owner's Manual warning message? Traditional or 'standard' coolants for systems with aluminium components use silicates for corrosion protection and these tend to 'drop out' over time hence 2 year service life. Some manufacturers switched to OAT as it lasts longer and some engines don't like the stuff- one/some of the corrosion inhibitors in certain types/brands can soften some plastics over time... dexcool is one of the usual suspects associated with this, specifically the inhibitor 2-EHA Antifreeze is going to go right into the heart of your car's engine, so choosing the right one is very

Terms & Conditions

Performing a coolant flush on your Mercedes-Benz requires expertise and tools beyond regular vehicle maintenance tasks. Attempting such a task at home without professional experience can result in significant risks for yourself, your vehicle, and the environment. We strongly advise against this procedure at home to avoid such risks.

Coolant also serves as a lubricant for components of the engine’s cooling system. It helps prevent corrosion and rust and provides protection for gaskets and seals. In the case of a pre-mixed coolant, filling up comes down to pouring it into the coolant bottle. Concentrated coolant (antifreeze) must be mixed with distilled water before usage, usually in a 50/50 ratio. Why does my Mercedes-Benz lose engine coolant?

How do I know if I need a coolant flush in my Mercedes-Benz?

With that being said, the popular choices for MB 325.0 coolants are: Zerex G05 (slight yellow-ish tint), Genuine MB coolant (It use to be blue-colored Zerex G05), Zerex G48 (which is also blue, and the same thing as current Genuine MB coolant, and probably the same thing as Genuine BMW coolant). If those are not available, you also have Castrol Radicool which is 325.0.