Do I need to replace my front springs? - Mercedes Benz SLK Forum

Tires, Wheels, Brakes & Suspension Discussion and information regarding tires, wheels, brakes and suspension.

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#1 Old 09-08-2018
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Do I need to replace my front springs?

I noticed that one side of my 1999 SLK230 is lower than the other. I prefer the passenger side, which is higher. I never changed the suspension. But I noticed the driver side coil bends more than the passenger side.
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#2 Old 09-09-2018
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Originally Posted by Sugarbear View Post
I noticed that one side of my 1999 SLK230 is lower than the other. I prefer the passenger side, which is higher. I never changed the suspension. But I noticed the driver side coil bends more than the passenger side.
For the heck of it, I have measured the ride height of all the cars I have owned over the years. I have found the driver's side is 0.125->0.250" lower than the passenger's. The rears has always had equal measurement.

The difference might be explained by the passenger's seat is often empty and the weight in the engine department probably isn't equally distributed along the centerline of the vehicle biasing the driver's side.

Regarding your car, it's 18 years old which is a long time to support the heaviest end of your car. As far as a bend in your springs, why don't you measure your ride height? More than a 0.250" difference might signal a replacement is due.
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#3 Old 09-09-2018
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Quote:
Originally Posted by Sugarbear View Post
I noticed that one side of my 1999 SLK230 is lower than the other. I prefer the passenger side, which is higher. I never changed the suspension. But I noticed the driver side coil bends more than the passenger side.
Do you know if your springs have ever been changed? If not, then yes, you might as well replace the springs. Also, it's likely your shocks won't last much longer either so you might as well change them too. How are your rears?

I got an adjustable kit for mine, as in, you can manually adjust the ride height. Think the kit was about 350 and included springs and shocks. Have done a couple of long trips and just got home from a trackday, 1000% better than the old suspension (but then the old suspension was 15 years old ).

Kit was made by Prosport suspension based in the UK, bought through a seller on ebay

Dez

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Fancy seeing what your SLK can do on the track, and getting a bit of hazardous driving training?

Come along to the track day at Rockingham on the 9th September 2018:
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#4 Old 09-09-2018
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Quote:
Originally Posted by Sugarbear View Post
I noticed that one side of my 1999 SLK230 is lower than the other. I prefer the passenger side, which is higher. I never changed the suspension. But I noticed the driver side coil bends more than the passenger side.



Bottom coil of the "bent" spring looks like is missing


New springs
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#5 Old 09-09-2018
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I would check the height with somebody sitting in the drivers seat.
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#6 Old 09-09-2018
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Thanks a lot. I am thinking on changing the front coils. The rears are fine. I was thinking of buying Bilstein brand. I heard they were good.
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#7 Old 09-09-2018
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the left side doesn't look seated correctly. I've had this happen on mine after doing some suspension work. It could also be missing a spring-pad on the passenger side.
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#8 Old 09-12-2018
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I’m going to check it out this weekend. I want to take the wheel off and inspect it closer. Thanks for the advice. Much appreciation
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