Brake Question
Thread Starter
Member
Joined: Jan 2008
Posts: 149
Likes: 0
From: New York
'08C300 White w P2,MM,Pano
Brake Question
This has happened on several occations:
Last night for instance, I was making a u-turn and some of the streets in ny arent completely level. I put to car in reverse to complete the turn, and the car began rolling foreward into the sidewalk(dint hit it) Then a few times when im coming up my driveway the car began rolling backwards if i dint press hard enough on the gas.
Is this normal? or should i take it to get checked out?
Last night for instance, I was making a u-turn and some of the streets in ny arent completely level. I put to car in reverse to complete the turn, and the car began rolling foreward into the sidewalk(dint hit it) Then a few times when im coming up my driveway the car began rolling backwards if i dint press hard enough on the gas.
Is this normal? or should i take it to get checked out?
Member
Joined: Jul 2007
Posts: 106
Likes: 0
This has happened on several occations:
Last night for instance, I was making a u-turn and some of the streets in ny arent completely level. I put to car in reverse to complete the turn, and the car began rolling foreward into the sidewalk(dint hit it) Then a few times when im coming up my driveway the car began rolling backwards if i dint press hard enough on the gas.
Is this normal? or should i take it to get checked out?
Last night for instance, I was making a u-turn and some of the streets in ny arent completely level. I put to car in reverse to complete the turn, and the car began rolling foreward into the sidewalk(dint hit it) Then a few times when im coming up my driveway the car began rolling backwards if i dint press hard enough on the gas.
Is this normal? or should i take it to get checked out?
Thread Starter
Member
Joined: Jan 2008
Posts: 149
Likes: 0
From: New York
'08C300 White w P2,MM,Pano
^ it happens very sudden, the second you let go of the brake, the car begins to roll... This isnt a normal thing for cars, my friends IS 250AWD doesnt do this, the lexus i own now doesnt do this ither. I've never tested it on my c300, but if im at a stop light on a hill, and i let go of the brake, the car will roll down? .. I have tested it with the IS, and my GX the car doesnt roll, but it just sits there until your ready to go, and especially when your in the IS, it senses that your on a hill, so the slightest tap on the gas runs the rpm enough to move the vehicle easily up the hill.
dont get me wrong... I love my C300, just want to know why this happens.
dont get me wrong... I love my C300, just want to know why this happens.
Member
Joined: Jul 2007
Posts: 106
Likes: 0
^ it happens very sudden, the second you let go of the brake, the car begins to roll... This isnt a normal thing for cars, my friends IS 250AWD doesnt do this, the lexus i own now doesnt do this ither. I've never tested it on my c300, but if im at a stop light on a hill, and i let go of the brake, the car will roll down? .. I have tested it with the IS, and my GX the car doesnt roll, but it just sits there until your ready to go, and especially when your in the IS, it senses that your on a hill, so the slightest tap on the gas runs the rpm enough to move the vehicle easily up the hill.
dont get me wrong... I love my C300, just want to know why this happens.
dont get me wrong... I love my C300, just want to know why this happens.
Almost a Member!
Joined: Oct 2007
Posts: 64
Likes: 0
C300
^ it happens very sudden, the second you let go of the brake, the car begins to roll... This isnt a normal thing for cars, my friends IS 250AWD doesnt do this, the lexus i own now doesnt do this ither. I've never tested it on my c300, but if im at a stop light on a hill, and i let go of the brake, the car will roll down? .. I have tested it with the IS, and my GX the car doesnt roll, but it just sits there until your ready to go, and especially when your in the IS, it senses that your on a hill, so the slightest tap on the gas runs the rpm enough to move the vehicle easily up the hill.
dont get me wrong... I love my C300, just want to know why this happens.
dont get me wrong... I love my C300, just want to know why this happens.
I am wondering which mode your transmission was set at "C" or "S".
In "C" mode, both forward and reverse gear always starts at 2nd which might be the reason why the car could roll down on hill easily when release of brake pedal. still you would have Hill Assist Brake system that hold the brake for 2-3 seconds after release of brake to prevent the roll.
Try with "S" mode to see if your car would still roll at the hill where your other car would not.
Out Of Control!!
Joined: Sep 2005
Posts: 18,414
Likes: 6
From: West Michigan
2007 E63
I am wondering which mode your transmission was set at "C" or "S".
In "C" mode, both forward and reverse gear always starts at 2nd which might be the reason why the car could roll down on hill easily when release of brake pedal. still you would have Hill Assist Brake system that hold the brake for 2-3 seconds after release of brake to prevent the roll.
Try with "S" mode to see if your car would still roll at the hill where your other car would not.
In "C" mode, both forward and reverse gear always starts at 2nd which might be the reason why the car could roll down on hill easily when release of brake pedal. still you would have Hill Assist Brake system that hold the brake for 2-3 seconds after release of brake to prevent the roll.
Try with "S" mode to see if your car would still roll at the hill where your other car would not.
But there sounds like there is a problem with theraj2's C since Hill Start Assist should hold the brakes for several seconds before it releases them.
Trending Topics
MB World Stories
The Best of Mercedes & AMG
8 Classic Boxy Mercedes Designs That Have Aged Like Fine Wine
Verdad Gallardo
Flawlessly Restored Mercedes 190E Evo II Heads to Auction
Verdad Gallardo
Electric Mercedes C-Class Unveiled: 11 Things You Need to Know
Verdad Gallardo
Mercedes EQS Gets A Major Update: Everything You Need to Know
Verdad Gallardo
5 Underrated Mercedes-Benz Models That Don't Get the Love They Deserve
Verdad Gallardo
Mercedes 300D Has Pushed Well Past 1 Million Miles and It Ain't Stopping
Verdad Gallardo
10 Most Reliable Mercedes-Benz Models You Can Buy Used
Verdad Gallardo
Mercedes Teases Updated EQS With Steer-By-Wire and a Yoke
Verdad Gallardo
8 Mercedes Models With Poor Reliability Records
Verdad Gallardo
Almost a Member!
Joined: Oct 2007
Posts: 64
Likes: 0
C300
In C mode, mine rolls back on my sloped driveway after Hill Assist brake times out in 2-3 sec. I have not tested with S mode yet though.
As long as your Hill Assist braking works, I think it is normal.
It maybe the characteristic of our 7sp-Auto transmission. That's why MB added Hill Assist braking for us
My old 96 C220 did not roll back at all, actually it climbed up if the hill was not that high.
As long as your Hill Assist braking works, I think it is normal.
It maybe the characteristic of our 7sp-Auto transmission. That's why MB added Hill Assist braking for us
My old 96 C220 did not roll back at all, actually it climbed up if the hill was not that high.
