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Premium Member 2007 SLK280
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195 Posts
Discussion Starter #1
The '07 280 is still my darling. Even had a couple of top-down days in the past two weeks (February, DC-area). But I've noticed its feeling stiffer these days and I'm wondering if anyone has a benchmark for replacing shocks. At 104,000 miles and going on 13 years I can't complain about needing them. Replaced the motor and trans mounts a couple of years ago. If it's time, any recommendations?
 

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Registered 2005 SLK350
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135 Posts
I have a 2005 350 with 90K on the car. I replaced the Front Struts and Rear Shocks with Bilstein B6's. The driving difference before and after the installation is amazing. On my car the struts were completely gone rear shocks not as bad but all 4 needed to be replaced. I never even realized how bad mine were until I was in a friends SLK who had replaced his. I knew then mine needed to be replaced it was a gradual deterioration which I had not noticed. The B6's are a little stiffer then the B4's (OEM-stock) I personally like the feel. I also replaced the Front Strut Bearings as well. In the end it was well worth it.
 

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Super Moderator UK SLK 55 AMG 2007
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26,111 Posts
Rough guide:
Measure the distance between wheel arch and top of tyre (assumes you check tyre pressures first).
Front as a pair, ditto rear and on perfectly level ground, unloaded car.

Lots of things affect ride.
 

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Registered 2005 SLK55 AMG & 2006 Kleemann 55K S8
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911 Posts
I am sure they are quite worn at that point. If you change them I am sure you will see a marked difference in handling. I agree on the Bilstein B6, it is the same as the sport suspension.
 

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Registered 2006 SLK350
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36 Posts
Did you do a bounce test? Pressing down on the car with your body weight at the shock absorber location and start bouncing the car. When you let go it should stabilise / not bounce any more.
I wonder what other parts are important for comfort along with the shocks, such as bushings. Shock absorber cap replacement might be a good idea.
 

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Registered 2007 SLK350
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560 Posts
Rough guide:
Measure the distance between wheel arch and top of tyre (assumes you check tyre pressures first).
Front as a pair, ditto rear and on perfectly level ground, unloaded car.

Lots of things affect ride.
Shocks (or rather dampers) should not affect ride height. Only springs, and spring pads will do that.:whistle:
 

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Premium Member 2007 SLK280
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195 Posts
Discussion Starter #8
Thanks to each response. Probably makes sense to wait for better weather to do something but I agree with the idea that she's earned new parts. And I appreciate the recommendation for Bilstein. Keeping the line open until it's actually time to make the switch. All advice (here, at least) is worthy of hearing.
 
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