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2008 E 320 Bluetec (ELEGANCE) 2005 CLK500 (avant-garde)
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Discussion Starter #1
My 1984 380SL has developed a shudder that occurs with hard acceleration between 35-45 MPH range. When I come to a stop the car seems to want to die EXCEPT that the tach never drops below 500 RPM. The shudder continues during idle except to a much lesser extent. The car sat for 3 weeks after the last time it did it and I thought the trouble had gone away, but after about 10 miles it came back. The following are what the dealer says are"possibilties"...

1. Bad U joint and (or) center support bearing.

2. torque converter going, going..GONE!(read new tranny!)

3. Bad subframe and engine mounts

4. All of the above

Any help you could give would be greatly appreciated![8)]
 

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Shudder

I think I'm experiencing the same problem.

I get a bad shudder at about 40 mph. Between 0 and 40 mph, it is mild, but builds up at 40 mph and as you push away from 40 mph, it begins to decreases and isn't as bad, but still there.

At first, I thought maybe the alignment was off or perhaps one of the wheels needed balancing.

Put the car at a standstill and released the brakes.

As the car moves slowly forward, the steering wheel would jerk to the left, similar to the tub of a top loading washing machine.

Going to take it to the shop this week to see what's up. But I'm pretty sure it's not going to be alignment or wheel balance.
 

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2008 E 320 Bluetec (ELEGANCE) 2005 CLK500 (avant-garde)
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Discussion Starter #3
sounds like a bent wheel in your case
...


sounds like a bent wheel in your case
 

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Bent Wheel?

I don't know if it's a bent wheel.

I checked the lug bolts to make sure they were secure.

I looked at the car straight on and the wheels look relatively straight.

and lastly, I didn't hit any potholes or curbs or anything else that could cause the wheel to bend.

That's why I'm not really sure it's a bent wheel.

Still, I'll take it to the shop this week and figure out what it might be.
 

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Ruptured Steel belt on tire!

Took it to the shops. Nice folks.

Put it on a lift to check what was going on?

Wheel okay, so it wasn't a bent wheel.

Tire wear was bad, but even. So, tires need to be replaced, but the alignment seems okay as the wear was even.

Spun the right wheel. No problem.

Spun the left wheel. Noticed a bulge on the tire patch.

Turns out the steel belt had ruptured, creating a bulge on the tire patch. This was causing the shudder everytime the tire rotated.

Luckily, the tire didn't blow and I've been meaning to get new tires this weekend. Talk about cutting it close.

I did notice the steering shock was worn, but that's an easy replacement.
 
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