Changing springs on W210
You need to borrow or rent the internal spring tool.
or go all out
http://www.samstagsales.com/klann_spring.htm
When I did my springs (Not a wagon) I had a couple of old spring compressors from previous cars. They would not work on my W210. I chose to just lower the A arms and drop the springs out without using a spring compressor. This can be very dangerous if you don't know what you are doing and is not recommended. The Klann style spring compressor is the safe and proper way to do W210 springs. You can find similar spring compressors made by other brands for cheaper.
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i simply bought it because I knew that I would be tinkering with the suspension
for a bit. once it's perfected (yeah, right), I just sell it. you can also use
the tool rental from mercedesshop.com
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M-B sets ride height by the geometry of the suspension, not by a given dimension from the ground. For example, the angle of the lower control arm relative to horizontal is often the spec. The assumption is that if the geometry is correct and the springs and pads are correct, the ride height will be correct.
When you lower the car, you deviate from that baseline. A good alignment shop that understands the effects of lowering can get things to an acceptable point.
http://video.google.com/videoplay?do...95583838776006
Watch out for the cheap ones

seriously it does make the job look so easy. I wonder about the rear? Just as easy?? I still do not understand why the ps (power steering) pump must be changed and why Luke at Tire Rack, who is our resident expert on suspension, would send four springs as a kit and not just two if the rears are not needed? Is there a description of the rear adjustment for lowering on the wagon with SLS? Thanks again all.
You can change the rear springs. In fact, in order to have a stiffer, shorter spring, you need new rear springs. However, when you get the car on it's wheels with the new, shorter springs, the leveling system will try to raise the rear. There is a short link between the control valve and the sway bar bellcrank. If I remember correctly it has a small range of adjustment and you may be able to compensate for the shorter springs. One concern I have with lowering the rear on a wagon is whether the hydraulic cylinders (they look like shocks but aren't truly a shock) have enough range of compression.
That video clearly shows why the KLANN tool is expensive. I've used one several times and there is no way to describe the convenience, safety and security the tool provides.
You can change the rear springs. In fact, in order to have a stiffer, shorter spring, you need new rear springs. However, when you get the car on it's wheels with the new, shorter springs, the leveling system will try to raise the rear. There is a short link between the control valve and the sway bar bellcrank. If I remember correctly it has a small range of adjustment and you may be able to compensate for the shorter springs. One concern I have with lowering the rear on a wagon is whether the hydraulic cylinders (they look like shocks but aren't truly a shock) have enough range of compression.
That video clearly shows why the KLANN tool is expensive. I've used one several times and there is no way to describe the convenience, safety and security the tool provides.
Assuming your previous car was an M-B wagon, why not contact the folks at did that work?
I do a purchase/buyback on the spring compressor. Mine is the ZDmack unit from eBay. Doing the front end is a piece of cake on the W210 cars. I was swapping springs (again) on mine just this past weekend.
PM for details on my offering.
coincidentally, i'll be changing springs in a week or so. buddy wants to borrow my car for his wedding so I'll put stock
springs on so his betrothed will feel pampered.
http://video.google.com/videoplay?do...95583838776006
Watch out for the cheap ones








