1993 Mercedes Benz 300sd Speedometer/Odometer malfunction

1993 MERCEDES BENZ 300SD
72,000 MILES • 6 CYL • 2WD • AUTOMATIC
Avatar
RICKCUBE
  • MEMBER
  • 1 POST
Hi....My 1993 Mercedes 300SD is having a speedometer/odometer malfuntion. The car has been working fine but when I started it yesterday, the ABS light did not go out. I then noticed the steering was harder like the power assist wasn't working. Then the speedometer and odometers stopped working. The analog fuel efficiiency meter also is not working. I checked the fuses but all or OK and I couln't find any fuses in the diagram that control any of these functions. Is there a relay separate from the fuse boxes that control these functions and if so, where would it be located?
Thanks,...Rick
May 13, 2009 at 4:05 PM
Advertisement
Avatar
DR LOOT
  • ✓ASE Certified Mechanic
  • 2,311 POSTS
  • ASE Certified Mechanic
you are describing a malfunction that is usually caused by dirty battery cables, or as bad ground, recheck all of your connections and let me know.
May 18, 2009 at 12:51 PM
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.