Heater blower only working on highest speed

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tuscan440

New Member
Joined
Feb 27, 2016
Messages
6
Car
Mercedes A150
Hi

My wife's W169 **********e has an issue with the interior blower/air con fans. We've only had it two half months and the fans used to squeak on any setting from 1-4. However now only setting 5 works so it's literally all or nothing which is extremely irritating! We have warranty until the end of the month and the heater blower is listed as a covered part. However i want to make sure it is this and not a smaller, separate component as we will be charged if it turns out to be that.

Would i be right in thinking it is the heater blower unit?
 
Had similar issue with my Sl.
Hot air was coming out on lowest setting but nothing higher. Turns out fuse was damaged. Changed fuse and all lovely now
 
I like cheap fixes! I'll try the fuse first.

Malluboy77 I've found the video, looks easy enough

Thank you both
 

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