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03 September 2010
 
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Locating the Hidden Relays PDF Print E-mail
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Thanks to MrLapou and Nick of my Chichester Branch of MB it has been determined that more relays are present in this box if all are present then according to the sheet there should be six! Having removed the three star drive screw which are retained in the lid when fully unscrewed. Inset photographs show the star drive screw and the tool for unscrewing them as the clips. Then released the two clips one either side of the box, I was now able to remove the lid and have a look. Nothing apart from loads of wiring and what appears to be the management system tools.
The middle portion of the box where I thought I would find the relays was filled with a removable foam, when removed it revealed just and empty compartment. But I knew they were there because Mrlapou had said pull back the carpet, passenger side and you will see relays there, yes they were I'd now seen them, but you couldn't get at them they had to be got at from the engine bay. Determined to locate them purely from an interest/owner point of view, I then removed with extreme caution because of all the wiring, the foam packing from around the loom/cable, clearly shown in the photograph, there they were recessed at least four inches where only E.T.'s fingers could reach! Obviously never to be got at once fitted? That wasn't a problem because I had no intention of getting at them. I just wanted to be aware of the location. In fact I'm now starting to feel sorry for the Mercedes-Benz technicians who might one day have to replace one or more of them.
1. Engine Management Tools.
2. Foam packing, relays lay behind.

When the foam packing is carefully removed the relays can be seen care should be exercised not to unduly disturb the masses of wires that come together in this area. Of course the next question is there are only four while the information sheet indicates there are six, so what do they service? Well Nick the Technician of Mercedes-Benz Chichester West Sussex came to the rescue again. Apparently different models will have more of less relays, depending on the services they require Auto gear box for instance will require the Starter lock out relay. In the case of the 160/2002 Elegance, with manual gearbox only four of the six listed relays are required. K1.Washer Pump. K2 Horn. K4. Engine Cooling fan. K5. ESP pump. While looking at the relays it is worth noting the white clips on either side of the relays that engage on small studs locking them in place, this applies to all the relays including those in the main fuse area under the drivers feet.

Thanks to Albert Rowe for the pictures and text

 

 

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