Mine on the W124 should be a double row...I believe they are not as much of a problem as the single-row type. Does anyone know how many miles on average you can get out of these things?
2009 ML350 (84K) - Family vehicle
2001 CLK430 Cabriolet (71K) - Wife's car
2005 BMW 645CI (124K) - My daily driver
2012 Mustang V6 (60K) - Daughter's car