Looking for front wheel bearing tightening DIY
I searched but could not find a DIY. The application is a 2002 CLK55.

Everything I have ever needed to know how to do on all my Mercs for the last 13 years I have searched on the internet be it Google, mbworld or what ever Mercedes forum.
Good luck.

Oh and why the M3 avatar?
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I'm still trying to get a good WIS which would answer my OP. I'd assume there's less information from the lower number of W208's and specifically w208 CLK55's imported to NA. It additionally seems like the majority of Mercedes owners don't turn their own wrenches. My bearing play issue is slight and isn't pressing. I'm just trying to get the car 100% sorted out with poor information to go by.
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Anyway to help you - I agree many do not wrench themselves and being mainly a R129 owner I spend some time on benzworld dot org which is excellent for wrenchers.
Doing the front wheel bearing is relatively easy (hardest part is getting the dust cap off - and there have been many examples on how to do it).
I find it easier if the disc has been removed and then I use a flat point chisel to hit the cap off from the disc direction, then you loosen the allen key and turn the nut until you have minimal play. Many would be horrified with this method and advocate using a dial gauge etc.
I say if too tight then you damage the bearing, too loose then you have a rattle - in between the happy medium.
I agree BMW's handle better, however Mercs are more luxurious.
I've recently fitted a new wheel bearing on my passenger side and also took some play up on the drivers side. I've done approx 4,000 miles since doing the job and all is well.
My advice is, ignore all the merc rubbish about torque settings and DTI measurements, as a toolmaker I know it's absolute baloney. Tighten the adjustment collar until the hub doesn't spin and is hard to turn, slowly back off the collar until you can rotate the hub without any resistance (about 1/8th - 1/4 of a turn of the collar), put the disc and wheel back on and give the wheel a spin, if it turns a rev or so on it's own and there's no play in a vertical movement, then it's fine.



