I printed this thread as it appears that at least one (or more) bulb(s) have bitten the dust on mine recently. How many backlighting bulbs (not including the warning lights) exist in the gauge cluster?

__________________
2009 ML350 (106K) - Family vehicle
2001 CLK430 Cabriolet (80K) - Wife's car
2005 BMW 645CI (138K) - My daily driver
2016 Mustang (32K) - Daughter's car