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Old 10-04-2016, 07:22 AM   #1
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Master Brake Cylinder in New 2017 AI

Well the fun continues with our brand new 2017 AI. The quality issues now have spread to Mercedes and our disappointment with North Trail continues to manifest. See our post below on the myriad issues with our AI in the first two months of ownership.
As related below we brought our AI back to North Trail for the 3rd time in 2 months to resolve a variety of issues. One item was that we thought the brakes had a bit too much travel before engaging although never having driven a heavy vehicle such as the AI it was difficult to know for sure. North Trail brought our AI to a Mercedes dealer and there determined that the master cylinder needed replacement after 4000 miles. Yikes!
To add to the continuing non funny comedy the individual who was transporting the vehicle from the Mercedes dealer back to North Trail somehow managed to lock the keys in the vehicle. North Trail called and I am now awaiting someone who will come and pick up the second set of keys to unlock the vehicle.
I was somehow under the impression if you locked yourself out of your vehicle the manufacturer would be able to help you open it. Not Mercedes apparently.
Trying to remain optimistic but this is not playing out well.

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Old 10-04-2016, 08:22 AM   #2
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The saga continues.

Not sure the master cylinder replacement will do much in the brake pedal dept. Time will tell.

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Old 10-04-2016, 08:51 AM   #3
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Master Brake Cylinder in New 2017 AI

Does the Mercedes dealer have lots of experience with Sprinters? It doesn't sound that way.

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2013 Interstate Lounge EXT on 2012 Sprinter
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Old 10-04-2016, 12:05 PM   #4
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It's been noted in other threads that brake travel is more than on most vehicles but has no effect on brake performance. It just takes awhile to get used to it.
Glass half full or half empty to an engineer is simply a glass that was over designed.

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Old 10-04-2016, 01:05 PM   #5
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Agree with Boxster. I never liked the brake pedal travel from new and the dealer checked it out and bled the system, but that's the way it works. Just push the pedal harder if you need more braking, but don't pump the pedal since it does utilize some logic in the system which pumping will defeat.
The real reason I still don't like it is because the pedal travel is too long for my wife and she's afraid to drive it.
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Old 10-04-2016, 06:59 PM   #6
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Originally Posted by wildwilly. View Post
I was somehow under the impression if you locked yourself out of your vehicle the manufacturer would be able to help you open it. Not Mercedes apparently.
My Mercedes dealer was able to unlock my van when a tow truck driver locked the keys inside.
WBCCI #1105

Engineering: Finding complex solutions to simple problems you didn't even know you had.
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Old 10-05-2016, 12:06 PM   #7
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Issues with my 2014 were much simpler than you are having. North Trail was fine. At first they used Mercedes in Naples where Luke is the manager. Very knowledgeable on Sprinter. But then Ft Myers Mercedes added Sprinter service, so they are less experienced. Not sure who North Trail used in your case. Hope it gets better for you.

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