20inch rims tyre pressure

GLC 250 Petrol motor, Steel springs, Run flat Bridgestone Duellers 255/45 R20, 30K+ Kms.

Tried the placarded 32psi first, thought that this produced higher tyre wear on both inside and outside edges.
Have run 37psi for most of the last year ...now indicating slightly higher mid tread wear.
..Now moved back to 35-36psi

Agree, handling is a little more tighter/responsive with higher pressures, however ride is also a little more harsh.

However I think the harshness is directly related to the stiffer side-walls of the Run Flat Tyre design.
Will be replacing with non run flat, standard tyres, when the time comes ….possibly inside another 10K Kms.
(Can of goo/slime and 12v compressor in the back at all times ..should give the same or better flat recovery)

Phil.

Cheers guys,I’ve set mine at 34psi (in the middle �&#56397 see how it drives ,that being not that far from the recommend 32psi and agreed on the run flats as soon as my Pirelli’s are done I’m changing to non run flats ,used to have a BMW 330D on run flats ,change over to nons and completely change the car in my opinion.
Car goes in for its diagnostics on 16th April for the tyre skipping on full lock fault ,not confident of the dealership tho and expecting another battle to get the knuckle fix done ...sleeves are already rolled up �� hopefully their remember my name from the AMG A45 last year and the few arguments we had and know I’m not prepared to take any of there nonsense..needless to say I’ll be taking few of the posts on here as ammunition �� such a pity that Mercedes-Benz after-care from some of the dealers is absolutely diabolical,certainly didn’t think when getting the GLC I’d be doing all this again ��������������