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Alloys For My Merc; General Question
Topic Started: Sun Oct 21, 2007 4:02 pm (2,300 Views)
Matman
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Hi All.

I am a newbie here, and will be purchasing a H plate 190E within a couple of weeks. I have a slight dilemma though, In that I have a set of alloy wheels that I want to place on it.

The tyre size on them is 205/45 ZR17, and they have a five stud configuration. My question is though if anybody out there can tell me the pcd and et measurements I need.

If it is the pcd and et, then the inside of my wheels say that the pcd is 110, and the et is 40. Will these fit on the merc OK?

I have been trying to find out from numerous sources what these measurements may be, but have had no luck so far, and am hoping somebody in this forum may help.

I will be dissappointed if they wont fit, as I have just had 300 quids worth of tyres on them, two of which are AVON zz3, which are the mutts.

I look forward to anybodys reply, and as soon as possible after posting this would be much appreciated.

Cheers all, and look forward to being a member of the site, as I have been browsing it for several days now, viewing different things, and it seems like quite a fun place.
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Marv
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Evo II Wheel
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Think the PCD on hte 190's and a few other modles is 112, the offset would be okay. The 45 tyres might rub a little on the front bumper.
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charl44
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Your wheels will not fit, the PCD you need for a Mercedes is 112.


Ian
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Matman
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Hi Marv, thanks for the quick reply.

What would you say to be the better profile tyre then? I will take a pic of the wheels if I can to add to the question.

The pcd being 12 on most 190s, does that mean the wheels will sit in the arches better?

Cheers,

Matt
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RM Merc 190
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Addicted
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Welcome. If you need any info on the 190 this is the place :)
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Matman
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Hi Ian, what is the PCD exactly, I do not quite understand it?
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charl44
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Read this, this will explain all.

http://www.carbibles.com/tyre_bible.html


Ian
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Lewis 190E 2.5 16
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W201
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No the offset will be how far out it will sit the PCD 112 is fine. (this is the fitment)
Alot of audis also have a PCD of 112
anything between 30-40 is okay
But maybe you can go lower on the offset

Model - Year - PCD - Offset - Bore
190 W201 - 95 to 93 - 5x112 - 35 to 42 - 66.6
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RM Merc 190
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What does PCD mean?

PCD stands for (pitch circle diameter), this is the diameter of a circle drawn through the center of your wheel's bolt holes. PCD is measured in millimetres and also indicates the number of studs or bolts the wheel will have. The most common fitment has 4 studs with a PCD of 100mm, hence the fitment 4x100. Check the fitment guide above to check the fitment of your car, if you are unsure consult a technician.

What does OFFSET (et) mean?

Your car requires a unique offset. This is where the wheel will sit in relation to the bodyline of the vehicle, realistically you can go 5-7mm outside these recommendations, but always consult a technician if you are unsure, as there are often other factors that need to be considered. Offset is usually stamped on the wheel and is measured in millimetres of et (et is the short form of the German word 'Einpresstiefe' which literally translates as insertion depth).

http://www.alloywheels.com/fitmentguide.asp

Your PDC will not line up with the holes in the wheels it seems ;)
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Marv
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Evo II Wheel
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I've always run on 40's, sure the ride is'nt fantastic but they look great and you dont get any rubbing. I did trying running on 225/45/17's for 2 days but they were just rubbing to much.

Been running on 215/40/17 for the last 2 weeks on my Evo' 2 wheels, was running 205's before that on my AMG wheels.
Posted Image

Check out this thread for more info.

http://z14.invisionfree.com/mercedes_190_c...?showtopic=2313
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Matman
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So the offset of 110 on mine means that I need to buy longer bolts? or just that the holes are not far enough apart.

It is probably swearing in here by mentioning other cars, but if it is of any help to anyone, they came off a vauxhall omega, if anybody happens to know the appropriate info on that car for this subject.

So is the long and short of it, that I need to buy a new set of alloys? or is there a way I can make my wheels fit, as I could do without the expense at the mo, just having spent the money on new tyres
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Lewis 190E 2.5 16
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W201
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The wheels have to have a PCD of 112 to fit
Offset will be between 30-40

Omega:

Model - Year - PCD - Offset - Bore
Omega - 94> - 5x110 - 35 to 45 -65.1

An omega has a 110 PCD these wouldnt fit.

Edit: oh Hello and Welcome B)
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charl44
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Read this:

http://www.carbibles.com/tyre_bible_pg2.html

Ian
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Marv
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Evo II Wheel
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also, arnt vauxhalls 4 studs as opposed to 5 on mercs.
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mb190e
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Vauxhall Omega's are 5 stud!
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Lewis 190E 2.5 16
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mb190e
Oct 21 2007, 05:06 PM
Vauxhall Omega's are 5 stud!

Yes 5 studs, i was thinking could they not be re-drilled

I'm just thinking that it might not be possible as the studs will be so close together.
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Matman
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I was thinking could I redrill the holes, but it mat be too much hassle. Is there no way I could jiggle the wheels about a little, as it is only a 2mm difference?

My mechanic mate said that if that was possible, that I may find a few of the nuts will be slightly off centre. Will It be worth me just marrying them up to the car when I get them?
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mb190e
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You definitely cannot re-drill the holes, and if your mechanic mate says you can he's not a mechanic and he's not much of a mate! Buy some proper Mercedes wheels.
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cossie connoisseur
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there can be only one ;-)
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wheels are only thing betwe you and an accident so care needs to be taken with choosing
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Neil
Newbie
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I'm with these guys.
Just to re-iterate:

The Omega wheels WILL NOT FIT ANY MERCEDES-BENZ.
You cannot re-drill the bolt holes to make them fit, you will destroy the structural integrity of the wheel.
You need to find some wheels that have a PCD of 5x112, nothing else works.


Good luck.
Sorry for the 'directness' but this thread was looking a bit muddy :) Welcome
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