The Mercedes-Benz 123 was a series of Mercedes vehicles that include the 200, 230, 250 and 280 models, produced from 1976 until the 1986 model year. If there is a problem afflicting the instrument panel on your Mercedes 123, the possible causes for the problem are a faulty fuse or a faulty instrument panel. Replacing both takes relatively little time, but replacing a faulty instrument panel is a lot more expensive than replacing a faulty fuse.
- Skill level:
Things you need
- Replacement fuse
- Replacement instrument panel
- Instrument panel remover
Turn the Mercedes 123's engine off and open the left-hand side door. Locate the fuse box to the far left of the steering wheel, on the side of the dashboard.
Remove the cover from the fuse box with a screwdriver. Pull the cover rearward.
Remove the instrument panel fuse. The location of the fuse depends on the type of vehicle you have. A fuse chart is included with your 123 and is located within the fuse box. Once you have removed the fuse, install a replacement fuse. Again, the fuse will depend on the type of vehicle you own.
Reattach the cover to the fuse box and close the driver's side door. If your instrument is now fully functional, the problem was a blown or faulty fuse. If not, you will have to replace the instrument panel.
Turn off the 123's engine.
Lower the steering wheel.
Slide the remover into the lower corner of the instrument panel and yank the panel out. Repeat the process with the other bottom corner.
Reach behind the 123's instrument panel and unplug its two electrical wire harnesses. Pull the instrument panel out and place a new instrument panel into the 123. Reconnect its electrical wire connectors before securing the instrument panel into place.
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