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What I find interesting is how neither size for the staggered 21" setup have tires with the MO marking on them. I can see them with BMW oem markings but not Mercedes. It will be interesting to see what is actually on them.
I made this spreadsheet comparing the various tire/wheel options. It should answer your question. (And then some.)
For the GLC43, each pair of rows represents the front (1st row) and back (2nd row) tires.
So, to answer your question:
Front 255/40 R21
Rear 285/35 R21
Can you go up a size in tire on 2019 GLC 43 AMG. I would like to to go 265/40/21 on front and 295/35/21 on rear. It seems rears are fine but fronts I'm worried about clearance on front suspension. Secondly if I have to stay with stock size on front can I go up size in rear or will that jack up transfer case etc?????
I have the same question as John. I have the OEM 21" OEM tires which are Conti UHP Summer tires. 255/40/21 front and 285/35/21 rear. It seems that the Michelin Pilot Sport All Season 4 tires are available in that same size for the front, but in 295/35/21 for the rear. Does anyone have experience using the wider rear tires with the stock 255/4021 size up front? Will the 295/35/21 mess anything up in the rear? Thanks in advance.
Mercedes SLR McLaren 722 S Is Extremely Rare Example Modified by McLaren
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