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Old 09-24-2018, 07:24 AM   #1
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Sprinter wheel sensor failures

Does anyone know if Mercedes-Benz is going to do anything regarding the high number of wheel sensor failures? Mine happened at 5,400 miles and the dealer that repaired informed me that more than likely I would be replacing the other 3 soon. If out of warranty, they are not cheap to replace.
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Old 10-01-2018, 11:36 PM   #2
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A couple of weeks ago we got our first “B” service (40,000 miles). The 2016 chassis has been trouble free. 140 miles after this service, The right rear wheel sensor failed, causing 4 dash warning lights to come on, with all sorts of unsettling symptoms (erratic shifts, odd brake feel). Needless to say, we freaked out. Returned it to the dealer, and the repair was pretty simple. I asked if this was a common problem, and they said no. We were informed that we were out of warranty, and the cost would be about $400. Although we have a service contract, there is a $200 deductible. While in the waiting room, I read some posts on another forum, and discovered that the wheel sensors are part of the anti-pollution system (huh?) and are covered for 100,000 miles. When I brought this to the service manager’s attention, he was surprised, and conferred with higher-ups. He came back agreeing with me, and there was no charge. After the job was done, I needed to go back to the shop to ask a question on another matter, and all the shop staff were huddled around discussing this issue. They really had no idea this item was warranted, and it does not get called out in their computer system. Apparently they have charged several others for work that is probably under warranty. If you have paid for this repair, check your chassis warranty... you may be due a refund.

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Old 10-02-2018, 12:31 AM   #3
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Excellent report! Thanks.
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Old 10-02-2018, 07:33 AM   #4
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Thanks for the input. Mine were covered but no mention that they are covered for 100,000 miles. That is good news.
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Old 10-03-2018, 01:43 PM   #5
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The warranty is for 5 years or 100,000 miles. Which ever comes first. I have had three sensors replaced under warranty. My dealer told me they very rarely see sensors fail on normal Sprinter vans, but have a high failure rate on RV chassis.
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Old 10-12-2018, 09:58 AM   #6
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Unhappy Wheel Sensor Failures

I've had the same problem with my 2014 24R. Three times the thing has gone bonkers with the three stability warning lights coming on, odd transmission shifts, and no cruise control. The vehicle's reactions are probably good in that it saves itself from major failures. However, this is irritating, inconvenient, and expensive to repair (once warranty is out). I understand roughly what these sensors do, but why they fail at a high rate (on this vehicle when others with similar systems seem impervious) is beyond me. I just hope it settles down before I move on to the next vehicle. I like the RV a lot and hate to have this stuff tainting my enjoyment of an otherwise well-done concept.
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Old 11-05-2018, 07:05 AM   #7
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Lost both rear sensors , guess it never rains in Germany as it does in FL.

Spent from 08:45 till 18:00 waiting for a tow to Melborn MB dealer, from MB Road assist.

Dealer had senders in stock but the "real" sprinter mechanic was off so even tho they were replaced and seemed OK , we were stuck till Monday (from Friday AM) to have the proper sprinter guy look in his computer.

Interesting, one thing checked was the plastic used for wire hookup.

Seems the enviro folks talked the MB folks into using soy based plastic,


AKA "rodent food."

Ours were not yet eaten but multiple poisons were suggested to prevent wire harness loss.
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Old 11-05-2018, 11:35 AM   #8
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Just to follow-up --- MB replaced the second wheel sensor under warranty (5 year, 100,000 miles - BTW) after I showed them in their own manual that that was the case. They finally contacted the factory for verification. Be alert, they'll try to charge you about $350 each.
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Old 11-09-2018, 06:18 AM   #9
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What's a wheel sensor? What function does it serve?
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Old 11-09-2018, 06:42 AM   #10
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Quote:
Originally Posted by OREddie View Post
What's a wheel sensor? What function does it serve?
Wheel sensors are part of the lateral control and abs systems among others. If one fails you can have up to 3 caution lights illuminate and speed control will be disabled.
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