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71 Posts
Hello all, I’ve spent a lot of time researching what could be wrong with my Mercedes S1000 SEC, but need opinions of others in trying to solve this mysterious actions. The previous owner has replaced multiple parts, and I’ve added to the list. I bought the car running perfectly, brought it home and it barely drove off the trailer. Looking at the low 56k KMs and the exceptional shape the car is in makes me wonder how anything could be wrong.
The previous owner replaced The fuel tank, fuel pumps, fuel filter, fuel relays, spark plugs, ignition wires, coil pack, multiple sensors, crankshaft sensor, fuel regulator, and multiple other items, I’ll post pictures, I can only attach 10, but they all look very expensive (computer boxes etc.
I did the simple things like, changed out the fuel, (as apparently the car hasn’t been on the road for a few years) and added 92 octane, high test fuel. I checked all the oil levels, replaced the batteries, checked the function of the fuel pumps, by overriding the relay at points 7 and 8. (They pump well, but it still stalled after 1 second when started). I Removed and inspected the fuel regulator, cleaned it out etc, no dirt to be found and it looks like new. But I can’t figure out why it only runs for about 1 second and comes to a dead stop, sometimes maybe a little sputter, as I noticed today after it sat overnight it ran for about 10 seconds then stalled, but every attempt after that was back to 1 second running. Before I go throwing anymore darts at the board, I’d like to get some help from the group on the next steps in getting this amazing classic back on the road. The funny part of this whole story is that the car worked perfectly when I loaded it onto my trailer, maybe the road trip home jiggled a wire somewhere? If this isn’t where this should be posted please help.
m
Many Thanks
JP
The previous owner replaced The fuel tank, fuel pumps, fuel filter, fuel relays, spark plugs, ignition wires, coil pack, multiple sensors, crankshaft sensor, fuel regulator, and multiple other items, I’ll post pictures, I can only attach 10, but they all look very expensive (computer boxes etc.
I did the simple things like, changed out the fuel, (as apparently the car hasn’t been on the road for a few years) and added 92 octane, high test fuel. I checked all the oil levels, replaced the batteries, checked the function of the fuel pumps, by overriding the relay at points 7 and 8. (They pump well, but it still stalled after 1 second when started). I Removed and inspected the fuel regulator, cleaned it out etc, no dirt to be found and it looks like new. But I can’t figure out why it only runs for about 1 second and comes to a dead stop, sometimes maybe a little sputter, as I noticed today after it sat overnight it ran for about 10 seconds then stalled, but every attempt after that was back to 1 second running. Before I go throwing anymore darts at the board, I’d like to get some help from the group on the next steps in getting this amazing classic back on the road. The funny part of this whole story is that the car worked perfectly when I loaded it onto my trailer, maybe the road trip home jiggled a wire somewhere? If this isn’t where this should be posted please help.
Many Thanks
JP