GL Class (X164) 2007-2012: GL320CDI, GL420CDI, GL450, GL550

Problem with GL 320 Diesel shutting down

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Old Jun 23, 2009 | 06:21 PM
  #1  
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GL 320
Angry Problem with GL 320 Diesel shutting down

I have a 2008 GL 320 that has a fuel system issue. The engine has stopped completely and shut down the car while moving in traffic 3 times. the first time they "could not recreate the problem." of course. the second time it was the fuel rail pressure was low, replaced fuel pump and all fuel filters. The 3rd time again with the "cannot recreate the issue." Any advice from anyone? My wife is affraid to drive the car anymore. All 3 times my daughter was in the car with her and they were almost hit in traffic because of this issue. Also, Teleaid took 10 minutes to respond and could not see the car on satalite. My wife asked if she was unconscious if they could find her, they stated no, they could not. Great. Lemon law anyone?
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Old Jun 24, 2009 | 10:20 AM
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Originally Posted by cbrower
Lemon law anyone?
My 320 has shut down exactly one time, and the error was that the wrong fuel had been put in (according to the computer - I never got a fuel sample that would've confirmed it). That's as close as I can come to that problem.

As for "lemon law," the first thing to ask is - what are your state's requirements to meet the local lemon laws? If your vehicle meets these criteria, I'd start talking to the dealership about buying back the vehicle and reimbursing any extra costs involved.

That's where I'd start, if I were you.
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Old Jul 14, 2009 | 07:05 PM
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From: tuscaloosa,al
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Originally Posted by cbrower
I have a 2008 GL 320 that has a fuel system issue. The engine has stopped completely and shut down the car while moving in traffic 3 times. the first time they "could not recreate the problem." of course. the second time it was the fuel rail pressure was low, replaced fuel pump and all fuel filters. The 3rd time again with the "cannot recreate the issue." Any advice from anyone? My wife is affraid to drive the car anymore. All 3 times my daughter was in the car with her and they were almost hit in traffic because of this issue. Also, Teleaid took 10 minutes to respond and could not see the car on satalite. My wife asked if she was unconscious if they could find her, they stated no, they could not. Great. Lemon law anyone?
I think I know what your problem could be,the fuel tank on the cdi has a check valve and it has been known to fail due to a bad supplier part.That would be the reason the fuel rail is showing low pressure.The tank will have to be replaced so hopefully u are still under warranty.
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Old Jul 15, 2009 | 10:49 AM
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if you have keyless go most of the time the engine shuts off in the middle of driving is because the start/stop button gets kneed. especially if driven by a shorter person that sits closer to the dash.

the gl ergonomics make this scenario a very common occurrence.

the low common rail pressure is usually a result of clogged fuel filter (there is only one- sits in the v-ee of the engine just in front of the turbo). us diesel fuel is of very bad quality and filter usually is completely clogged by 20k miles.


alex
few cars
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Old Jul 15, 2009 | 10:58 AM
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1. heard of the Keyless-Go button being hit before.
2. seen some bad fuel problems with filter being clogged due to
algae from bad holding tanks at fuel stations.
Does the Engine Crank but not start after it dies ?
How long has it been running for & what Fuel Guage Reads.
3. Fuel Pick up problem - Fuel tank has 2 sides & has been known to run out of fuel
with 1/2 tank or less.
What if any Codes ?

Last edited by MBTAZ; Jul 15, 2009 at 11:01 AM.
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Old Jul 16, 2009 | 11:40 AM
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Originally Posted by alx
us diesel fuel is of very bad quality and filter usually is completely clogged by 20k miles.
This hasn't been the case with my car - I've replaced the filter at 60k and that's it so far.
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Old Jul 31, 2009 | 10:17 AM
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My 07 GL320 cdi with 30k miles shut down while idling, was reluctant to restart and eventually I was able to get it home. Dealer found a fuel pump system delivery problem and replaced it under warranty.
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Old Aug 1, 2009 | 11:48 PM
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gl 320 cdi
This just happened to me today. I was driving down the Las Vegas strip. I was moving slowly because of the traffic and the car just died then check engine lit up. I tryed three times to start the engine and I would not start. Then I let the engine sit for a moment then started it again luckily it started and I was able to made it back home. I check the error code and gotten

"P0087 fuelrail/system pressure too low"

The service department is close @ 1 pm today and Sunday. I already planned to bring the car to the service Monday but when I started the car the check engine light is gone...Should I still bring the car to the service without the check engine light on?
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Old Aug 2, 2009 | 12:34 PM
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Originally Posted by jrtor
The service department is close @ 1 pm today and Sunday. I already planned to bring the car to the service Monday but when I started the car the check engine light is gone...Should I still bring the car to the service without the check engine light on?
The computer will have saved the code - how did you figure out what the code was? The fuelrail has been a problem on certain vehicles.
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Old Aug 4, 2009 | 01:30 AM
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gl 320 cdi
I used a Innova CanOBD2 Tool to get the error code. You are correct I tested it againg and its still in the memory of the car....I will be bring the car to the dealer tomorrow...

Just to let everybody knows that this happened to me before. The correction they did is "replaced crankshaft position senson": Part number 642 153 07 28 05 sender unit. Damage code : 15930347. written on the receipt.
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Old Aug 5, 2009 | 12:29 AM
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Originally Posted by jrtor
Just to let everybody knows that this happened to me before. The correction they did is "replaced crankshaft position senson": Part number 642 153 07 28 05 sender unit. Damage code : 15930347. written on the receipt.
Just q-ri-ous: What's the year/mileage on your truck?
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Old Aug 5, 2009 | 12:02 PM
  #12  
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From: Nv & So. CA
2008 GL 320 CDI
Originally Posted by StevethePilot
This hasn't been the case with my car - I've replaced the filter at 60k and that's it so far.
On any diesel, (not just MZB), the two most important service items are oil changes and fuel filter changes.

In fact, as I type this, I am here at the dealer having my fuel filter changed....almost 20K miles.

Sometime this week, I'll change the oil myself.

Maintenance done for another 20K miles !!
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Old Aug 5, 2009 | 10:46 PM
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gl 320 cdi
I have a 2007 GL 320 26500 miles. I got it back today. It say here in the receipt "electric test fuel pump ampherage normal at first then after 10.3, after test driving amps went up 17 amps and engine started too run bad".

Comments: " replace fuel low pressure fuel pump (in tank)

Parts MBN 164 470 20 94 28 and 164 470 02 30

My service advisor told me that they put in an updated fuel pump in the car.

Last edited by jrtor; Aug 5, 2009 at 10:47 PM. Reason: forgot to add mileage
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Old Nov 11, 2009 | 03:46 PM
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GL 320
I am looking at purchasing a GL 320CDI (2007/2008) or 320 Bluetec (2009). Does anyone have any suggestions as to which version is more reliable (I know the '09 is probably too new)? Also, how much does the regular maintenance (ie. fuel filter replacement) cost?
Thanks!
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Old Nov 11, 2009 | 04:47 PM
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All the engines you mention are the same. "Bluetec" means extra stuff on the exhaust pipes.
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Old Nov 11, 2009 | 07:29 PM
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Originally Posted by lkchris
All the engines you mention are the same. "Bluetec" means extra stuff on the exhaust pipes.
True, Bluetec fluid is added to the exhaust to control NOx, but the 'tune' in the electronic portion of the ECU is very different. It makes a big difference in effeciency [example: with Bluetec to handle the NOx emissions, much less exhaust gas recirculation (EGR) is necessary to control peak temperatures to limit NOx production. Thus increased efficiency is POSSIBLE if not actually accomplished]. There are a lot more differences than one might think from the obvious identical V6 piston layout.
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Old Jul 8, 2013 | 03:09 PM
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2005 Mercedes E320 cdi
I have a 2005 E320 cdi that stalls on me when trying to accelerate. The check engine light is on. The code throws out a low fuel rail pressure. It orignally threw out EGR valve. The EGR valve was replaced, theh fuels filter was replaced and it will still have check engine light when the accelerated is either punched or accelerated too fast. Once reset, it runs great. This car has 210K miles. Any ideas?
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Old Jul 8, 2013 | 05:17 PM
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Replace your cpc.
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Old Apr 15, 2020 | 11:31 PM
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Originally Posted by alx
Replace your cpc.
New to GL320 Diesel, I do have fuel problems as discussed in thread so won't go thru that.
"low fuel rail pressure" 120K Clears with Autel reappears after 20 or 30K. Only stuttered once on start other times OK. Never cut out yet.
What is cpc? thanks anyone, at this stage glad I have kept my S430.
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Old Apr 17, 2020 | 05:54 PM
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When my diesel died in city traffic, the problem was a failed fuel pump relay. It's a $20 part mounted in the rear fuse box.
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