I have a BOSCH MB 140 830 20 85 Climate Control Unit with the right side dial and LCD (illumination light) out. Needless to say, at night this very annoying since you are unable to see the temperature LCD or adjustment wheel.

If anyone can offer any assistance on how to replace the bulb, I WOULD GREATLY appreciate their help. I have removed the climate control unit many times on my w140, so I have no issues with the removal of the unit. I have also pulled the front cover of the Climate Control Unit, and loosened the screws behind the pannel, but it seems there is a “trick” to finding the bulb and the final removal of the panel to access the bulb.

Thanks in advance for any help!

Russell

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Russell McMahon
Tulsa, OK
2001 CLK 320
1992 400se
1993 400e
2000 320ML