For Mercedes-Benz 190 Series it’s important to have optimal antifreeze inside. Don’t underestimate the importance of Mercedes-Benz’s 2.5 engine cooling system. There is no chance 1991 190 Series engine will work efficiently with bad cooling. In 1987 the company produced vehicles with 2.5 engine having code of OM602.911. Only Red antifreeze type is suitable and you’ll need 8.5 liters of it.
Produced in 1988 the 2.0 engine in 190 Series model will serve longer by this. So, don’t choose different from Green coolant and obey the number of 8 liters. It will be advantageous to follow Mercedes-Benz’s rules for 1983 190 Series service. There is an important thing for OM602.911 engines of Mercedes-Benz’s production – they expect good service.