RAW
Forum Member
I found this bit of info here
"Heater fan – If the heater fan only works on high speed, the heater resistor has probably failed. The heater resistor is about $40, and you can easily replace this yourself."
I have replaced the heater Van on the engine and it is working but only on high so I guess I may have a problem with the heater resistor so looking further I think I am now needing one of these

Buying a Used Sprinter Van - Top Ten Problems to Look Out For - Sprinter RV
So you found a beautiful used Sprinter van you want, and you ask – what should I look out for? First off, get a proper inspection from a qualified mechanic, preferably one very familiar with Sprinter vans – the Mercedes Sprinter van is a complex beast! Have your mechanic use a full-featured...
www.sprinter-rv.com
I have replaced the heater Van on the engine and it is working but only on high so I guess I may have a problem with the heater resistor so looking further I think I am now needing one of these

MERCEDES SPRINTER 2-T 3-T 4-T 1995-2006 HEATER BLOWER MOTOR FAN RESISTOR 7 PINS | eBay
£ 169.60Buy It Now. 08.02 - 05.06. 313 CDI 4x4. OM 611.981. 04.00 - 05.06. OM 611.987. 311 CDI 4x4. M 111.979; M 111.984.
www.ebay.co.uk