Mercedes Benz S W140 owners manual page 129

text version of content this owner's manual page from owners manual to the vehicle Mercedes W140, year of production 1991 - 1998:

Coolants Heat transfer capability of the solution.Therefore the following product is Therefore, do not use more than thisstrongly recommended for use in your Theengine coolant is a mixture of wateramount of anticorrosion/antifreeze.car: Mercedes-Benz Anticorrosion/ and anticorrosion/anti-freeze, which Antifreeze Agent. provides: If the coolant level is low, water and MBanticorrosion/antifreeze should beBefore the start of the winter season (or • corrosion protectionused to bring it up to the proper levelonce a year in the hot southern regions), • freeze protection(have cooling system checked for signsyoushould have the anticorrosion/ • boiling protection (by increasingof leakage).antifreeze concentration checked. The the boiling point). coolant is also regularly checked each The water in the cooling system musttime you bring your vehicle to your Thecooling system was filled at themeet minimumrequirements, which areauthorized Mercedes-Benz dealer for factory with a coolant providing freezeusually satisfied by normal drinkingmaintenance service. protection to approx. -22 °F (-30 °C) andwater. If you are not sure about the corrosion protection.water quality, consult your authorized Mercedes-Benz dealer. Thecoolant solution must be used year round to provide the necessary corrosionAnticorrosion/antifreeze protection and increase in the boil-overAnticorrosion/antifreeze quantity protection. You should have it replacedYour vehicle contains a number ofApprox. freezeAnticorrosion/ every 3 years. aluminumparts. The use of aluminumprotectionantifreeze components in motor vehicle engines-35 ° F5.3 US qt (5.0 l) Toprovide the important corrosionnecessitates that anticorrosion/(-37 °C) protection, the solution must be at leastantifreeze coolant used in such engines 45%anticorrosion/antifreeze (equals abe specifically formulated to protect the-49°F6.3 US qt (6.0 l) freeze protection to approx. -22 °F [-30aluminumparts. (Failure to use such(-45°C) °C]). If you use a solution that is moreanticorrosion/antifreeze coolant will than 55% anticorrosion/antifreezeresult in a significantly shortened (freeze protection to approx. -49 °F [-service life.) 45°C]), the engine temperature will increase due to the lower 129

owners manual Mercedes W140

owners manual Mercedes W140 - year of production: 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998 - Mercedes Benz S W140 owners manual EN