1991 Mercedes Benz 190e Gauges and Brake Lights

Tiny
TIMANDDIANE10
  • MEMBER
  • 1991 MERCEDES BENZ 190E
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 16,000 MILES
The gauges that show the fuel (R-1/1) the oil and temperature stopped working, then we found out that the brake lights are not working. We don't know if the two are related but would like to know how to repair. Fuses were checked and seem to be working. Don't know what the problem is.
Monday, May 10th, 2010 AT 8:25 AM

3 Replies

Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
Use atest light to verify power through fuses, 3, 10, 13. Looks like there is an engine systems control unit that the instrument and other systems go through. If fuses are all ok, it could be this unit is bad.
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Tuesday, May 11th, 2010 AT 8:20 PM
Tiny
TIMANDDIANE10
  • MEMBER
  • 2 POSTS
We checked the fuses you stated to check and they were fine. However, it was fuse #9 that controlled the gauge and brake lights.
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Tuesday, May 18th, 2010 AT 7:58 AM
Tiny
2CARPRO JACK
  • MECHANIC
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Hmmm didnt show that fuse in my wiring diagram. Sometimes M/B are hard to deal with due to Black market (Eurpoean) Gray market (mix of USA and Eur) cars that are out there, regardless, glad you found the problem
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Tuesday, May 18th, 2010 AT 8:13 AM

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