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Discussion Starter #1
Hi all.

Currently im driving on my OEM SLK 16 inch which i think its the best looking rims on the SLK r170:

The size are
front: 205/55/r16
back: 225/55/r16

So im looking for the same wheels in 17 inch which where used often on a C-class avantgarde.
The thing is that those rims are all the same witdh. I assume 205/45/17

Does this really take away the grip on the road when hard cornering?
Because im doing that often.

Let me know!
 

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I think it's more dependant on how sticky of a tire you have. i've got 40's on the back of my clk 350 and they hold pretty well (Yokohamas) though neither of these are great cornering cars.
 

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Registered 2007 SLK350
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556 Posts
Hi all.

Currently im driving on my OEM SLK 16 inch which i think its the best looking rims on the SLK r170:

The size are
front: 205/55/r16
back: 225/55/r16

So im looking for the same wheels in 17 inch which where used often on a C-class avantgarde.
The thing is that those rims are all the same witdh. I assume 205/45/17

Does this really take away the grip on the road when hard cornering?
Because im doing that often.

Let me know!

The wheels on my 350 r171 are quite similar to your 16" wheels, but are 17" and staggered.


They are a standard fitment, and are often available at reasonable prices.


I bought a set for £250 which I had refurbished in gloss black, and look stunning.
 

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Premium Member 2001 SLK320/2000 SLK230
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2,644 Posts
Thing to watch out for is the later Mercs used a 14mm lug instead of a 12mm and the wheels have larger and differently shaped lug holes.

ps I have the same 16s with 225x55ZR16 front and 245x50ZR16 in the back. The wheels are staggered.

with 17s I'd suggest 225x45ZR17 front and 255x40ZR17 rear
 

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Discussion Starter #5
UPDATE

I found a affordable set (not damage free unfortunately) 4x 225/45/17 with wintertyes. When i brought them to my shop i found out that one tyre had a bubble in the side. So i got other tyres and mount them on it and i need to say that i really should have done this before. What i do noticed is that the new wheels are quite heaver. Not strange because there is more metal needed for the 17 inch.

I hope that will not lower my 0-60 time. The corners feels better actually. Tomorrow i will clean the car and upload pictures.
 

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Discussion Starter #6
Thing to watch out for is the later Mercs used a 14mm lug instead of a 12mm and the wheels have larger and differently shaped lug holes.

ps I have the same 16s with 225x55ZR16 front and 245x50ZR16 in the back. The wheels are staggered.

with 17s I'd suggest 225x45ZR17 front and 255x40ZR17 rear
Do you suggest to put smaller tyres in the back?
 

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Discussion Starter #8
Here you go!
Resize images make uploading images not easier but i need to say. 17 inch is the max you should go on a SLK.
To the eye the distance between the wheels are short. I think with 18'' you already going to make it look more like a hotwheel.

Does somebody else have nice (OEM looking) rims onder a r170?
I still love the 32 amg rims.

ps: dont look at the rust :/
 

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Administrator 2009 SLK 55 AMG/Founding member 2006
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you mean 17 inch max on a r170 :D
 

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Premium Member 2001 SLK320/2000 SLK230
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Tried 18s and 19s but ride was too rough so went back to 16s. The issue is that the ABS does not like tires of different diameters and 26" diameter is effective max. 225x45 and 245x40 have the same diameter but a larget footprint in the back. First pic is of the larger wheels/tires, second is 16s. All tires are the same diameter, 225 front and 245 rear (16), 255 (19). With larger rears, the proper offset is critical.
 

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