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Old 02-14-2020, 06:01 PM   #1
Capnkev
 
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Default DPF failure at only 22,000 miles?

We just bought a 2016 Sprinter that was converted into a 2017 Pleasure Way Plateau TS. It only has 22,000 miles on it. While driving it home from North Carolina to Florida, the Check Engine light came on and then the ESP light, and a bunch of other alarms and messages. Took it to the Mercedes dealer in Jacksonville. They said the wheel sensor was bad, and that the DPF failed and melted some wiring and needs to be replaced. Anyone have any insights on what would cause a DPF to fail on a vehicle with such low mileage? Also, how common is it for wheel sensors to fail? Iím worried maybe I just spent big money on a lemon. Iím having the 20,000 mile service done and replacing pretty much every fluid and filter, just to start fresh before we head up to Alaska this summer.
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Old 02-14-2020, 06:11 PM   #2
lindenengineering
 
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Default Re: DPF failure at only 22,000 miles?

OK this is an easy one ask me another!!!

We have seen a lot of 2016 's abnormally bust the DPF flex pipe for some reason scorching the wiring harness to the transmission.
We simply replace the flex pipe by welding in a new one and fabbing the ends.
Then repair or replace the harness as needs must!
Dealer will replace the whole thing, but the Cat mounting plate MUST be checked for fracture as the whole shooting match will be doing the samba under the the van when underway.
All the best
Dennis
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Old 02-14-2020, 06:24 PM   #3
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Default Re: DPF failure at only 22,000 miles?

Just to make it clear - the DPF broke, not failed to filter?
MB makes fine vehicles and only DPF & DEF - being new technology has some baby teeth.
Enjoy Alaska. We did it last summer, who turned to be summer of Century with whooping 72F weather.

Last edited by Kajtek1; 02-14-2020 at 06:26 PM.
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Old 02-14-2020, 06:41 PM   #4
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Default Re: DPF failure at only 22,000 miles?

Quote:
Originally Posted by lindenengineering View Post
OK this is an easy one ask me another!!!

We have seen a lot of 2016 's abnormally bust the DPF flex pipe for some reason scorching the wiring harness to the transmission.
We simply replace the flex pipe by welding in a new one and fabbing the ends.
Then repair or replace the harness as needs must!
Dealer will replace the whole thing, but the Cat mounting plate MUST be checked for fracture as the whole shooting match will be doing the samba under the the van when underway.
All the best
Dennis
Thanks Dennis! Thatís great info. Iíll pass it on to the dealer. Really appreciate your time and response
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Old 02-14-2020, 06:42 PM   #5
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Default Re: DPF failure at only 22,000 miles?

Quote:
Originally Posted by Kajtek1 View Post
Just to make it clear - the DPF broke, not failed to filter?
MB makes fine vehicles and only DPF & DEF - being new technology has some baby teeth.
Enjoy Alaska. We did it last summer, who turned to be summer of Century with whooping 72F weather.
Yes, they said it needed to be replaced.
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Old 02-14-2020, 08:22 PM   #6
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Default Re: DPF failure at only 22,000 miles?

You are most probably still under emission system warranty; validate with dealer first. If they say "no", find the warranty book in the glove box and start arguing with them...
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Old 02-14-2020, 08:58 PM   #7
CJPJ
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Default Re: DPF failure at only 22,000 miles?

Hi Capnkev. The DPF failure is because a support bracket breaks. Somewhat common and there is a cure by Remove and Replace with a MB revised bracket. The melted wires is a result of the broken bracket letting hot exhaust out. The new bracket will prevent a recurrence.
The wheel speed sensor failing isn't too common but happens and is a simple repair
Quote:
Originally Posted by Capnkev View Post
We just bought a 2016 Sprinter that was converted into a 2017 Pleasure Way Plateau TS. It only has 22,000 miles on it. While driving it home from North Carolina to Florida, the Check Engine light came on and then the ESP light, and a bunch of other alarms and messages. Took it to the Mercedes dealer in Jacksonville. They said the wheel sensor was bad, and that the DPF failed and melted some wiring and needs to be replaced. Anyone have any insights on what would cause a DPF to fail on a vehicle with such low mileage? Also, how common is it for wheel sensors to fail? Iím worried maybe I just spent big money on a lemon. Iím having the 20,000 mile service done and replacing pretty much every fluid and filter, just to start fresh before we head up to Alaska this summer.
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Old 02-14-2020, 09:09 PM   #8
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Default Re: DPF failure at only 22,000 miles?

Thanks! Thatís good to know. I appreciate you taking the time to help me.
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Old 02-15-2020, 12:02 AM   #9
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Default Re: DPF failure at only 22,000 miles?

Just got yet another in today.
The flex pipe totally gone.
Hot gases scorched the DEF injector and wiring, put on the Mil lamp and then got the countdown.
Guy get yours checked !
This one should be good with a flex repair , new DEF injector , and a harness repair .
All makes work for the working man to do!
Dennis
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Old 02-15-2020, 12:51 PM   #10
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Default Re: DPF failure at only 22,000 miles?

Quote:
Originally Posted by lindenengineering View Post
Just got yet another in today.
The flex pipe totally gone.
Hot gases scorched the DEF injector and wiring, put on the Mil lamp and then got the countdown.
Guy get yours checked !
This one should be good with a flex repair , new DEF injector , and a harness repair .
All makes work for the working man to do!
Dennis
Picture???
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