W212 electric heating

Luxton84

Member
Joined
May 23, 2021
Messages
16
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4
Your Mercedes
W212 e220 cdi
Hi wondering if someone can help me, iv noticed that my heating is taking longer than usual to worm up so I did a scan. I got the code 90B387 (electric heater booster has a malfunction. The message is missing) so I'm guessing it's the electric heater. Can enyone tell me where the fuse is and where the actual heater is please?
The car is a 2010 w212 e220
 

mioba

Senior Member
Joined
Feb 19, 2006
Messages
8,263
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Location
Nottingham and Köln
Your Mercedes
W124/E200, W220/S320CDI, W205/C200, W251/R350CDI 4Matic
search the forum, rings a bell and been covered before
 

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