i have two problem

Question by snowslow posted 6 months 2 weeks ago in Mercedes-Benz

Hi, i have problem with my Mercedes Benz w211 error code p1999 fan make noise and load on over, and on odometer say coolant vast workshop, and the other problem the aromatic on front not up ant i check the fuse and really its good but the button isn't come read light when i push it, please help