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Can change my tires size GLB 250 245/50/r19?

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Old Jul 16, 2024 | 01:48 AM
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Glb250
Can change my tires size GLB 250 245/50/r19?
Hi everyone! can i change to 245/50r19 set fours or two in the back only can i do that?
or maybe 235/55r19?
went i driving i feel not really comfortable too much bumpy feel hard in the road, went ii live in Montreal Quebec, the road here are worst in the world too much pothole everywhere in the city.
anyone has modified the tires or wheel on the GLB 250?
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Old Jul 18, 2024 | 10:00 PM
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2021 Glb35 AMG (2013 GLK 350)
I assume you have 19x7.5" wheels based on below link:
https://www.wheel-size.com/size/merc...50-4matic--221

245/50r19 set has 1.37% difference in tire circumference which is under 3% recommended max:
https://www.willtheyfit.com/index.ph...7.5&offset2=53

However 7.5" rim max tire width is 235, so 245 is not recommended. You might need 8" rims for 245 width.
https://www.tiresandco.ca/tire-equivalence-advice.html

235/55r19 set has 3.17% difference is over 3% recommended max:
https://www.willtheyfit.com/index.ph...7.5&offset2=53
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Old Jul 18, 2024 | 11:25 PM
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2021 GLB250 FWD, 2023 GLA250 FWD, 2013 C250, 2015 GLK350, 2005 ML350SE, 2003 E320
Originally Posted by Serhan
However 7.5" rim max tire width is 235, so 245 is not recommended. You might need 8" rims for 245 width.
https://www.tiresandco.ca/tire-equivalence-advice.html
Just as an FYI, Continental Tire indicates that the acceptable rim width for 245/50R19 is 7.0” to 8.5.” If Canadian safety regulations say otherwise, obviously that would supersede Continental’s opinion.
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Old Aug 10, 2024 | 11:48 PM
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Glb250
Originally Posted by Odd Piggy
Just as an FYI, Continental Tire indicates that the acceptable rim width for 245/50R19 is 7.0” to 8.5.” If Canadian safety regulations say otherwise, obviously that would supersede Continental’s opinion.
that mean that not necessarily to have 8” rim 7.5 will fit , is that for alls brand tires or just Continental brand?
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Old Aug 11, 2024 | 12:07 AM
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2021 GLB250 FWD, 2023 GLA250 FWD, 2013 C250, 2015 GLK350, 2005 ML350SE, 2003 E320
Originally Posted by Divadtri
that mean that not necessarily to have 8” rim 7.5 will fit , is that for alls brand tires or just Continental brand?
Yes. But I only checked Continental. I think that could apply to other brands, but to be safe, I recommend checking your specific brand and size choice directly with the manufacturer of that tire. @Serhan found different information on a general site. Please don’t leave safety to the opinions on this or any other forum.
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Old Aug 11, 2024 | 04:55 PM
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2021 Glb35 AMG (2013 GLK 350)
I found the old post regarding same topic. Another website from Canada confirms 7.0” to 8.5” for 245/50R19. X3 has 245/50R19 on 19x7.5 wheels also.
https://premiertiresandwheels.ca/pages/tire-size-guide

Another website (link is not valid) says:
- For 50-series tires and above, the rim width is 70% of the tire’s section width, rounded off to the nearest 0.5. =>min 7" for 245/50
- For 45-series tires and below, the rim width is 85% of the tire’s section width, rounded off to the nearest 0.5.

Originally Posted by Odd Piggy
Just as an FYI, Continental Tire indicates that the acceptable rim width for 245/50R19 is 7.0” to 8.5.” If Canadian safety regulations say otherwise, obviously that would supersede Continental’s opinion.




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Old Aug 12, 2024 | 12:12 AM
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Originally Posted by Serhan
235/55r19 set has 3.17% difference is over 3% recommended max:
https://www.willtheyfit.com/index.ph...7.5&offset2=53
Is a 0.17% difference above max that much to reject the tire size completely? I mean even a 0.6 mm tread wear will get the difference to below 3%. And the ~12mm increase in sidewall height will contribute to improving the ride quality significantly over the OEMs. And maybe this size has better availability/ more choices in OPs location.

I am in a similar boat so looking for some inputs from those in the know. Of course, one also has to consider the issue of voiding the MB warranty on the suspension by using a non standard tire size for the car.
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