BenzWorld Junior Member
Date registered: Mar 2009
Vehicle: 1997 C280
Location: Cape Town, South Africa
Mentioned: 0 Post(s)
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OK, so I grew a pair and decided to take out the instrument cluster and fix this myself.
Step one, I disconnected the battery. I'm told if you don't, you will have to hook your car up to a computer and clear the faults resulting from unplugging the cluster (ABS, SRS-Airbag, ASR, etc, etc). I didn't have to remove the steering wheel by the way, once unplugged the cluster will come out if you pull it towards the steering wheel and turn the wheel and the cluster together.
I replaced two blown bulbs (strange, but all the warning lights worked beforehand), and VERY CAREFULLY stripped the cluster, sprayed WD 40 on the dial spindles and connectors at the back and then rerasembled the cluster. I panicked the whole way through the ordeal I must tell you.
After all was connected, I reconnected the battery and gingerly started the car to admire my handiwork. Damn dials still didn't work, so now I was really pissed off. Switched of the car and slammed the door. BUT!!!!! The next day all was fine and it has been 3 weeks and the dials have been working ever since. I am hoping the darn thing is cured.
P.S. You might not have to strip the whole cluster like I did, maybe just take the cluster out (remember to disconnect the battery first) and spray the connectors on both ends (the car side and the cluster side). Hope this helps.