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Discussion Starter #1
I have been enjoying my 1999 SL 320 for a few years, with very few problems, but I've recently been experiencing a very slight shake through the steering wheel when cruising at 80 -90 mph, but nothing below or above these speeds. (And before anyone comments on the speed, I am currently working in Frankfurt, Germany, where the autobahns are blissfully speed-limit free!)

I've checked the tyre pressures, but the only other thing I have noticed is that the brake pads are reasonably low (@25% left), and the discs may need to be changed.

I have booked the car in to my local dealer, but I just wondered if anyone had any simple suggestions on what the problem may be?

Many thanks

Karl
 

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1998 Pano SL500; 1993 SL500; 2005 ML270cdi
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It just sounds as if your wheels need balancing.
 

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2000 Obsidian Black Metallic Mercedes SL 320 V6
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It just sounds as if your wheels need balancing.
I tend to agree with RedLiner: a good shop should be able to balance your tires in no time. By the way what size are your wheels and brand and type?
Some tires are harder to balance than others.
And about speed limits, don't worry karl5588: I tend to read KPH speed limits in MPHs ;) Lol.

Cheers.
 

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00 SL500 SOLD, 05 SL600 Sport, 09 Silverado 4x4 LTZ,SOLD '15Silverado LTZ 6.2 8Speed John Deere 318
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Do ALL of the above!!!! The tires are going to be off to do the brakes anyway. The dampner is like $35. Change it!!!
 

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Discussion Starter #7
I posted a message a few weeks ago about a vibration on my 1999 SL320 at high speed (70 - 80 mph), and got some constructive suggestions which I've followed through. Unfortunately, after 5 visits to the main dealer, the car is worse than ever, and I've ended up with a low-frequency vibration (at all speeds) through the steering wheel, which makes the car virtually un-driveable - 30 minutes on the motorway leaves my arms tingling and my head aching!

To date, I have had the wheels balanced, the front discs and pads replaced, the track-rod ends replaced, the steering damper (shock absorber) replaced (twice), and the wheels laser-aligned (twice).
The technicians say that there is nothing else that they can do, and customer services have stopped returning my calls.

I have spent a lot of money, but this is not the issue: all I want is my car back to the way it used to drive.
Is this really beyond the skills of a Mercedes main dealer?

I have read most of this thread, and I admit that I haven't looked at the rear-end, etc., but as this has all happened in a short space of time (and certainly with @300 miles), I feel sure it is something that's been upset at the front-end along the way.

My gut feeling is that it's still the tracking that's at fault, but I would welcome any comments.

Many thanks

Karl
 

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Y2K SL500 Silver
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Believe me when I tell you that if you have a problem with a tire or rim, like a bent rim or a flat spot on the tire, NO amount of balancing, even Roadforce, can fix the problem. You can through weights at it but it will never really be right.

If your lucky you can actually see a flat spot with the tire off of the car and on a balancing machine. I had to swap out ALL four tires to find my problem tire. But my problem wasn't in the sterring it was a vibration in the drivers seat at approx. the same speed of 105-130 KPH. If your spare tire is the same size and in good shape why not try changing it from side to side while looking for the vibration to go away? How many Kilos are on your car?
 

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Greek God of the R129
SL500-500SEL-190E
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I posted a message a few weeks ago about a vibration on my 1999 SL320 at high speed (70 - 80 mph), and got some constructive suggestions which I've followed through. Unfortunately, after 5 visits to the main dealer, the car is worse than ever, and I've ended up with a low-frequency vibration (at all speeds) through the steering wheel, which makes the car virtually un-driveable - 30 minutes on the motorway leaves my arms tingling and my head aching!

To date, I have had the wheels balanced, the front discs and pads replaced, the track-rod ends replaced, the steering damper (shock absorber) replaced (twice), and the wheels laser-aligned (twice).
The technicians say that there is nothing else that they can do, and customer services have stopped returning my calls.

I have spent a lot of money, but this is not the issue: all I want is my car back to the way it used to drive.
Is this really beyond the skills of a Mercedes main dealer?

I have read most of this thread, and I admit that I haven't looked at the rear-end, etc., but as this has all happened in a short space of time (and certainly with @300 miles), I feel sure it is something that's been upset at the front-end along the way.

My gut feeling is that it's still the tracking that's at fault, but I would welcome any comments.

Many thanks

Karl
I can understand your frustration.
Yes the dealer should have the man power to take care of your problem.

But try an independent I am sure that they are good ones out there.
Talk with old mechanics, or young ones who like to race. ;)

Check for wheel bearing, rotor/disk, run out with a gauge.
Spin balance the wheel in place.
Not all places have the spinner especially the boutique ones.
(On the car, to balance the wheel, rotor etc.)
I think you are in UK?

Did you do any other work before your problem started?
Like the drive shaft?

Try to put the back tires in the front see if you feel a difference.
Because your complain is at the front, so reverse wheels see, is the vibration now in the back?

Regards.
aam.
 

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E350 Sport
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I have been enjoying my 1999 SL 320 for a few years, with very few problems, but I've recently been experiencing a very slight shake through the steering wheel when cruising at 80 -90 mph, but nothing below or above these speeds. (And before anyone comments on the speed, I am currently working in Frankfurt, Germany, where the autobahns are blissfully speed-limit free!)

I've checked the tyre pressures, but the only other thing I have noticed is that the brake pads are reasonably low (@25% left), and the discs may need to be changed.

I have booked the car in to my local dealer, but I just wondered if anyone had any simple suggestions on what the problem may be?

Many thanks

Karl
you might consider doing the brakes yourself if you have basic auto skills/tools.

my now 19 year old did brakes on his '95e320 two years ago.

i answered a few questions but he did it, try it, you may surprise yourself how ez it is.
 

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R129 SL 500 97, W124 E320 Coupé 96, W124 300E twin turbo 90, W126 300 SE 91, Ford Capri 2.8i 84
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Karl

You've said elsewhere that you are in the UK. If you are within striking distance of Chesham (Bucks), you couldn't do better than hand it over to:

Wheel Alignment and Steering Geometry Specialists : Wheels in Motion

They've been heaped with praise all over the forums. They are not cheap, but then they are not Kwik-Fit. I've booked my newly arrived SL 500 with them the week after next, with every confidence that they will sort what little needs sorting. A motoring website with a technical theory section -- I'm impressed.

If they are too far from you, ask them if they know of anyone in your locality, or seek out a similar enterprise within reach that takes these things seriously and isn't staffed by Spanner Controllers, Junior and Senior.
 
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