Combination of things...the relay has mass and is secured to the PCB only by the soldered joints. In industrial equipment a component with mass is usually secured to the PCB using threaded fasteners and solder is used simply to make the electrical connections. The current to operate the seats...
To be honest, there wasn't much to see. Almost certainly wouldn't have shown up on a normal camera. I'm a retired electronics tech. and I've been doing through-hole component level PCB repairs and PCB re-work most of my working life. It kind of becomes second nature eventually. If you need...
Thank you both Alexander at AMF Automotive and Cole at MBS. Defective relay accessed and removed. Cover opened and a number of failed/suspect solder joints on the PCB identified. PCB reworked, relay re-assembled and re-fitted. Electric seat adjustment now restored to normal operation...
The relay is normally a dealer replacement part and isn't a normal service part and isn't/won't be mentioned in the owner's manual. Yes, I can take snaps and have no problem attaching them to forum posts.
Can any of you good folks tell me where the seat position adjustment relay is located in a (UK RHD) 2003 R170 SLK320. Intermittently, neither seat is able to be adjusted and then it all starts working again normally. It looks like a dodgy relay but I don't know where it is located nor how to...
Thanks folks for the answers. I shall have a good look.
New problem is the car goes into limp mode and EML illuminates if I use the 'kickdown' function of the accelerator pedal. Throwing code P0123. Car drives OK otherwise. Ho-hum!
TimR
The cabin heater fan has become a bit hit and miss on my 2003 R170 SLK320. Can you folk tell me where the heater fan motor regulator unit is located on this car.
Thanks in advance
Tim
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