I don't own an E320, but every car with a bulb lit (i.e. not LED) third
brake light I have ever seen usually has a door in the trunk right under
where the thrid brake light is or the dome around the third brake light can
be removed from the car. Either way, your owner's manual should have
I too have a 1997 E320 with the same problem. The light is located in
the housing in the rear window, BUT I have only been able to get there
unit PARTIALLY dismantled, just short of reaching
the bulb. If anyone knows the secret I'd also like to know. By the way,
anyone know the availability of the maintenance CD for this car (210
Motorsforum.com is a website by car enthusiasts for car enthusiasts. It is not affiliated with any of the car or spare part manufacturers or car dealers discussed here.
All logos and trade names are the property of their respective owners.