Howe does your car ride on the highway?
Thread Starter
Member
Joined: Jan 2007
Posts: 158
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From: Toronto, Ontario
2006 CLS500, 21" Interad Turismo Wheels, Renntech Lowering Module
Howe does your car ride on the highway?
I just picked up my 2012 with 64,000kms on it and am noticing it doesn't drive very smoothly on the highway, around 80mph or 130kph. the best i can describe it is it feels like a rumbling/shaky feeling, and get a humming sound. Steering is fine, no shaking there. It gets worse or louder when i increase the speed, i pushed it to 125mph or 200kph today to check it out.
Anyone else have this, is it normal? Thought id check before I bring it in to the dealer.
Anyone else have this, is it normal? Thought id check before I bring it in to the dealer.
Thread Starter
Member
Joined: Jan 2007
Posts: 158
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From: Toronto, Ontario
2006 CLS500, 21" Interad Turismo Wheels, Renntech Lowering Module
I mean the car drives straight but definitely feels like something is out of balance. Thanks, i will bring it in to have it looked at.
Thread Starter
Member
Joined: Jan 2007
Posts: 158
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From: Toronto, Ontario
2006 CLS500, 21" Interad Turismo Wheels, Renntech Lowering Module
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2019 E300
If the front rims are bent or the front tires are out of balance, you should feel it in the steering wheel, unless its a bent rim or out of balance tire in the rear. Have someone sit in the back and see if there is any shaking in the rear.
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Joined: Sep 2015
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From: Chicago area
2015 E400 and 2015 GLK350
Have all 4 wheels/tires checked for concentricity and run-out. Concentricity means that the wheel/tire combination is perfectly round, not egg-shaped. Run-out checks to be sure that the wheel or tire does not wobble from side to side. Road hazards and tire wear can cause either or both. A good mechanic can ride in a car and tell you which he suspects, but must confirm it with the wheel off the car. If the defect is on a rear wheel, you may not feel it in the steering wheel, but probably in the seat of your pants.
There is a chance that the problem is related to a brake or wheel bearing or axle, but I have always found it best to check the simple (less expensive) things first.
There is a chance that the problem is related to a brake or wheel bearing or axle, but I have always found it best to check the simple (less expensive) things first.
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Thread Starter
Member
Joined: Jan 2007
Posts: 158
Likes: 0
From: Toronto, Ontario
2006 CLS500, 21" Interad Turismo Wheels, Renntech Lowering Module
Have all 4 wheels/tires checked for concentricity and run-out. Concentricity means that the wheel/tire combination is perfectly round, not egg-shaped. Run-out checks to be sure that the wheel or tire does not wobble from side to side. Road hazards and tire wear can cause either or both. A good mechanic can ride in a car and tell you which he suspects, but must confirm it with the wheel off the car. If the defect is on a rear wheel, you may not feel it in the steering wheel, but probably in the seat of your pants.
There is a chance that the problem is related to a brake or wheel bearing or axle, but I have always found it best to check the simple (less expensive) things first.
There is a chance that the problem is related to a brake or wheel bearing or axle, but I have always found it best to check the simple (less expensive) things first.
I'll have them look at both. The car is pre-owned so just starting to fidn these things now. Good thing is I still have another month and a half of factory warranty, and 30 days warranty from the dealer I purchased the car from.
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Joined: Oct 2015
Posts: 30
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From: Southern, NJ
2012 CLS550 4Matic
My 2012 CLS550 4Matic does this too. I bought mine with only 26k miles. It does NOT ride like how a Mercedes should. I have lots of experience with my other car when it comes to vibrations and shakes but the CLS I'm not yet sure about.
On the CLS, my steering does not shake whether braking or not. But as the OP states, it's like a rough feel or very slight grinding sound or feel. Seems to be coming from front of car. Miles are too low to be a wheel bearing imho. I'm thinking tires or a wheel issue. We'll see.
I'll report back after I have it checked.
On the CLS, my steering does not shake whether braking or not. But as the OP states, it's like a rough feel or very slight grinding sound or feel. Seems to be coming from front of car. Miles are too low to be a wheel bearing imho. I'm thinking tires or a wheel issue. We'll see.
I'll report back after I have it checked.
