They are readily available, but the only one that is easy to get to is the 190. It is under the passenger's feet. The 124 and 126 are hard to get to, they are above the driver's feet under the dash panel. Oh yea, rebuilt units are available as well.

------------------
Benzmac:
ASE CERTIFIED MASTER AUTO TECHNICIAN
LEAD TECHNICIAN FOR 14 BAY FACILITY
MERCEDES SPECIALIST 8 YRS
PARTNER IN MERCEDESSHOP.COM