Ambient temperature sensor
Sorry the vehicle is a 2006 R350
i SUGGEST u take help of a manual to get the details for ur benz and its ambient temperature. http://mercedesbenzr.com/
Looking for a Used R-Class in your area?
CarGurus has 557 nationwide R-Class listings starting at $3,720.
Search Mercedes-Benz R-Class Questions
Mercedes-Benz R-Class Experts