CLS Newbie
New Member
- Joined
- Jul 13, 2012
- Messages
- 8
- Car
- Mercedes E250 CGI Mercedes R320CDI
I bought a UK imported R320 CDI 2007 model through a local dealer.
It’s got 42k miles on the clock and everything seems to check out consistent with the mileage.
Recently, while revving up from the low gears, there is some kind of engine/gearbox? jerking. Sometimes once it clears the low gears and move on to higher gears, engine/gearbox? goes back to normal.
At times, the R will lose power, revving would be difficult.
With very few R class here, let alone a diesel model, I had difficulty getting the proper diagnose.
I read in some postings, is to get the fault codes read through a STAR system, but given the imports status, the local Mercedes agent will not touch the R.
The so-called local Mercedes expert garage are still to figure out how to use a MB SD Connect4. (not sure whether this is the same STAR system?)
In the meantime, the initial diagnose was to replace the:
1. Backpressure sensor
2. Turbo actuator
However, I was also advised that this was not the cause but was a consequential result of the need to change/ modify the DPF filter? To suit the Euro 3 diesel?
I'm not sure whether this is a correct diagnosis. Although supposedly that the diesel fuel here is the Euro 3 standard, but given this is a 2007 model, I suspect the the correct diesel rating for this would still be the Euro 3 standard. Euro 5 would apply only for latter model Mercedes.
Now the problem has gotten worst that the R won’t start at all! This was after the mechanics were messing with the R, which I guess fiddling with the DPF filter, flushing the diesel fuel etc.
I'm hoping to get some advice here so I can convey it to the mechanics on what to check and look out for.
I also read in MB forums that 2 possible causes - MAF and DPF - It seems oth are major repair costs, if this is the correct diagnosis.
It’s got 42k miles on the clock and everything seems to check out consistent with the mileage.
Recently, while revving up from the low gears, there is some kind of engine/gearbox? jerking. Sometimes once it clears the low gears and move on to higher gears, engine/gearbox? goes back to normal.
At times, the R will lose power, revving would be difficult.
With very few R class here, let alone a diesel model, I had difficulty getting the proper diagnose.
I read in some postings, is to get the fault codes read through a STAR system, but given the imports status, the local Mercedes agent will not touch the R.
The so-called local Mercedes expert garage are still to figure out how to use a MB SD Connect4. (not sure whether this is the same STAR system?)
In the meantime, the initial diagnose was to replace the:
1. Backpressure sensor
2. Turbo actuator
However, I was also advised that this was not the cause but was a consequential result of the need to change/ modify the DPF filter? To suit the Euro 3 diesel?
I'm not sure whether this is a correct diagnosis. Although supposedly that the diesel fuel here is the Euro 3 standard, but given this is a 2007 model, I suspect the the correct diesel rating for this would still be the Euro 3 standard. Euro 5 would apply only for latter model Mercedes.
Now the problem has gotten worst that the R won’t start at all! This was after the mechanics were messing with the R, which I guess fiddling with the DPF filter, flushing the diesel fuel etc.
I'm hoping to get some advice here so I can convey it to the mechanics on what to check and look out for.
I also read in MB forums that 2 possible causes - MAF and DPF - It seems oth are major repair costs, if this is the correct diagnosis.
