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#1
09-15-2002, 10:50 PM
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Instument Cluster Problem on 1994 C280
I have a 1994 C280 and about 7 months ago, the gas gage has stopped going up immediatly when the car is started. The engine temp gage is the same wasy in cold weather and sometimes in normal weather too. As I drive, they both eventually kick in but latly, on the engine temp has been going up and the gas gauge stays at the bottom. I took apart the dash board and nothing was loose. Any suggetions? If you want, ill take pictures tomorrow. Thanks.
P.S. Everything else on the cluster is perfect.. (except for that dreaded check engine light, I hate it with a passion and I have only been driving for a year and a half. I swear it comes on just because after every 2 weeks it misses the MB shop.) But I've learned to deal with that...... (took out the light bulb (-: ) 
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#2
09-15-2002, 11:05 PM
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Could be the needle of the gauge is sticking at the lowest point. Or, the fuel guage sending units in the tanks (there are two) are shot.
__________________
John Shellenberg 1998 C230 "Black Betty" 240K http://img31.exs.cx/img31/4050/tophat6.gif
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#3
09-16-2002, 12:27 AM
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The needles are definitly sticking to the 'stop' peice. Mine hasn't done it in 6 months or so... but summer's over, and I can expect the gas gauge and temp gauge to start sticking again on start-up. Mercedes used some paint for awhile that must get sticky in colder weather.
It is possible to get fixed... I forget how, but one of the techs here on the forum knows how. I don't really let it bother me much though, I just whack the dash board and they usually spring right up. I am VERY against taking out the CE light! Just get to the root of the problem, PROPERLY, and I assure you the light would come on much less. Anyway, good luck with your problem!
__________________
2006 E350 w/ 155k miles (Daily Driver) Previous: 1993 300E 3.2L Sedan w/ close to about 300k miles 2003 E500 Brilliant Silver (Had 217k miles when totalled!) 1989 300E with 289,000 miles (had for <1 yr while in HI) 03 CLK 500 cabrio (Mom's) 2006 C230k (Dad's) 1999 S420 (Mom's/Dad's) 2000 C230k Sport sedans 2001 CLK320 Cabrio (Mom's) 1995 C280 My First Mercedes-Benz... (155k miles. EXCEPTIONAL AUTOMOBILE. Was Very hard to let go of!)
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#4
09-16-2002, 08:22 AM
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VERY common on the W202 chassis! The needle is glued to the peg that it rests on. WE remove the complete instrument cluster assembly & clean the needles & pegs off with alcohol & a q-tip.
Replace the inst cluster blubs while you are there. Try tapping on the dash pad above the cluster & see if the gauge starts working.
__________________
MERCEDES Benz Master Guild Technician (6 TIMES) ASE Master Technician Mercedes Benz Star Technician (2 times) 44 years foreign automotive repair 27 Years M.B. Shop foreman (dealer) MB technical information Specialist (15 years) 190E 2.3 16V ITS SCCA race car (sold) 1986 190E 2.3 16V 2.5 (sold) Retired Moderator
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#5
09-16-2002, 03:29 PM
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Thank you very much for all of your help. I'm going to go clean it right now.
Keith
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#6
09-16-2002, 10:42 PM
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Have you ever checked your codes for you CE light?
I'm willing to bet you'll get a code for a stuck egr valve. And I'm willing to bet that you have a pipe clogged with carbon from egr vapors. It's the hot inlet pipe to the intake manifold. Very common on these engines. Scroll to the bottom of this article: http://www.peachparts.com/Wikka/EngineControls I don't know about your state, but you couldn't pass a smog test with a tripped check engine light. It doesn't matter if the bulb has been taken out. The computer they use to test your car will pick it up.
__________________
Paul S. 2001 E430, Bourdeaux Red, Oyster interior. 79,200 miles. 1973 280SE 4.5, 170,000 miles. 568 Signal Red, Black MB Tex. "The Red Baron".
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