With M. Benz pushing harder & harder for their major parts vendors (VDO in this case) not to do business with the aftermarket prices will rise higher!! Just as with your outside temp gauge. If you had a new car w /digital dash then the complete instrument cluster would need replacing.
MERCEDES BENZ MASTER GUILD TECHNICIAN
ASE MASTER TECHNICIAN
27 YEARS DEALER M.B. TECH
190E 2.3 ITS RACECAR