Mercedes Repair Questions? Ask a Mechanic for Answers ASAP
Hi Noel, it's possible to rebuild the motor but it's not a sure thing that it will go well. Click on the links below to a very well put together step by step rebuild of the motor. Aside from that the replacement is your only option so you might as well give it a try. Let me know if you have any questions.
Blower Motor Rebuild / Part 1
Blower Motor Rebuild / Part 2