Sounds like the light bulb is either loose or burned out in the dash. Replace it.
When you say blinker I assume you mean the trafficator/Hazard light?? If so then it is actually the Hazard switch which is located on the panel by the gear lever.
trunk should be a panel
Open the driver's door, now look at the dash panel that faces towards the outside. You should see a plate that can be removed, remove the plate and the blinker module is the big one, I believe it is a light blue color.
Follow the instructions on Youtube.
You could have an exterior light out.
Begin by removing the instrument panel cover from your Mercedes-Benz E430. Push the lightbulb in and turn it at the same time. The instrument panel lightbulb will come out. Reverse the process to install your new dashboard light bulb.
PULL the light switch out (must be in lowbeam setting for fog lights to work)
To replace a Mercedes outside door handle, first the door grommets from the inside of the door panel must be removed. Then, inserting and turning the key allows the handle assembly to be pulled out and replaced.
buy a 3157LL bulb for $6 at any auto store. Unscrew the two screws on the inside panel beside the light cover. use a prybar on the outside lightcover to lift the cover off the car(it's a lot easier than it sounds). unplug the bulb from the casing and switch it out.
its the sencor in the blinker plan on spending $500 or more part and labor they have to remove the steering wheel
In front of the brake pedal lever, accessible from above the panel over the foot pedals.
You can get a 2004 Mercedes-Benz fuse panel diagram at most Mercedes-Benz dealerships. You can also get the diagram from Mercedes-Benz service manuals.