mercedes troubleshooting of park light?

Question

the right side light does'nt work i thought it was the bulb although it was blown i install a new bulb the light does'nt work,I check for current there was none i checked for ground and the both wires have ground.

Answer 1

Have you checked the wirings. I know you checked the groundings but you may have bare wire contacts somewhere especially you have problems. It occurs to vehicle with more than 5 years of age. I do not know your cars model year that is why I assumed. Good luck.