They are made to Mercedes specification, which in theory means the balance of grip/stiffness/noise/etc. complements the Merc. ride quality and handling.
If you check your handbook it probably says that you should ONLY fit tyres that have been approved by M-B (definitely the case for my R129).
There is also a Porsche spec., BMW(?), and maybe a couple of others.
If you check your handbook it probably says that you should ONLY fit tyres that have been approved by M-B (definitely the case for my R129).
There is also a Porsche spec., BMW(?), and maybe a couple of others.
tudu
MB Enthusiast
My Pirelli P Zero's are stamped MO - expensive but great tyre.
Bear
Active Member
- Joined
- Jan 17, 2003
- Messages
- 374
- Location
- South London.England
- Car
- W123 300D G460 280 GE G460 300 GDT
So that would make Porsche PO and BMW BO? So Ford would obviously be F.........
sorry Bill I'll get my coat.
Doodle
MB Enthusiast
Lol...not quite, but brought a smile to my face!
Porsche codes start with N, so N0, N1, N2, N3...
No idea what the BMW designation is.
Porsche codes start with N, so N0, N1, N2, N3...
No idea what the BMW designation is.
- Joined
- Mar 12, 2005
- Messages
- 7,612
- Location
- Cheshire, UK
- Car
- C270CDi Estate (late 2004 facelift model) - Bought 2005, Sold 2022.
Bizzarely.....it's a star.
- Joined
- Mar 12, 2005
- Messages
- 7,612
- Location
- Cheshire, UK
- Car
- C270CDi Estate (late 2004 facelift model) - Bought 2005, Sold 2022.
We've had this dicussion before and, I know not everyone agrees, but I think MO is simply a marketing exercise and MB probably charges the tyre companies to put MO on their tyres, like maybe they do to put MB229.5 on oil too.
If you think about it - cars change and tyres change over the years, so you could be looking at a completely different tyre to go on a completely different car, yet MO is supposed to still cover it. It simply doesn't make sense.
At least in Porsche's case, there are N1 to (I think) N4 versions depending on the model and age of the car.
My car came from the factory with Bridgestone tyres fitted and they do not appear to be marked in any Mercedes specific way.
I emailed Michelin about HP's a couple of years ago and at the time they didn't have an MO version of the HP. I asked what the differences where generally and they said:
-------------------
OE Fitments, Mercedes:
Regarding the sidewall markings on certain tyre products fitted to Mercedes
vehicles as original equipment, descriptions 'MO' & 'G1' refer to 'tuned'
product characteristics suited to those particular vehicles.
One has to be aware that, should the correct 'original notation' tyre not be
fitted, then certain performance characteristics may not be presented as
intended by manufacturer Mercedes, but should not be a legal or insurance issue in the UK.
'MO' notation:
These tyres have been fine tuned to provide optimum performance on specific
Mercedes vehicles.
Please do not mix MO with non-MO tyres on an axle.
'G1' notation:
Again, these tyres do have technical differences from non-G1 tyres.
Potential for slight alteration in tread width (not section width) &/or overall
tyre diameter.
These tyres still comply with ETRTO dimensional requirements.
Please do not mix G1 with non-G1 tyres on an axle.
Not recommended to mix between axles on a 4wheel drive transmission.
G1 tyres are not specific to one certain car manufacturer.
Yours sincerely
Technical Service
Michelin Tyre Public Limited Company
------------------
Last edited:
davidjpowell
MB Enthusiast
My last tyres were cheaper as MO than the non MO. Might be worth getting a comparison.
David
David
- Joined
- Mar 12, 2005
- Messages
- 7,612
- Location
- Cheshire, UK
- Car
- C270CDi Estate (late 2004 facelift model) - Bought 2005, Sold 2022.
I've seen that too - mind you, if you look on the online tyre places it's quite common to see what are apparently exactly the same tyres listed at different prices. I always wonder if maybe they're old stock.
Surely Michelin wouldn't give that advice unless the tyre characteristics were different?
ditto on the rear bridgestone ER300 I bought in May.
- Joined
- Mar 12, 2005
- Messages
- 7,612
- Location
- Cheshire, UK
- Car
- C270CDi Estate (late 2004 facelift model) - Bought 2005, Sold 2022.
In what way are the Bridgestones marked to indicate they're Mercedes versions?
My car came new with ER30's and there doesn't appear to be any MN specific designation on them.
I can try taking a pic to clarify, but IIRC there a big M0 after the size of the likes:
225/50ZR-16 W M0
- Joined
- Mar 12, 2005
- Messages
- 7,612
- Location
- Cheshire, UK
- Car
- C270CDi Estate (late 2004 facelift model) - Bought 2005, Sold 2022.
Thanks - that's certainly how it is on Michelin, but there's nothing like that on the Bridgestone's my car was fitted with.
Thanks, that's roughly what the trye guy was saying, didn't know if he was haveing me on or not. I can't see how they can be a different spec though, probably good and not so good ones from a batch are marked accordingly.
Cheers
Adam
Cheers
Adam
Chris Murray
Active Member
- Joined
- Mar 11, 2005
- Messages
- 950
They are indeed sometimes cheaper.. Quite often the non-MO variant isn't available so there are probably a few BMWs rolling around on Mercedes tyres!
Shetland61
New Member
of course if you have tyres which are not exactly matched (pattern, tread, wear etc) or were made on the wrong day of the week then your cruise control will simply cease working
brought to you by the voice of CLK experience!
brought to you by the voice of CLK experience!
andyshore
Member
LOL. What tyres do you recommend? Mine is also a CLK 320. Ive been Quoted for the rears, Kumho £80.00 . Continental MO £125.00of course if you have tyres which are not exactly matched (pattern, tread, wear etc) or were made on the wrong day of the week then your cruise control will simply cease working
brought to you by the voice of CLK experience!
I dont want to damage my C/C or any other extras.
Andy
I've just got a pair of Michelin Premacy MO G1, on which the tread matches the existing fronts. This for a CLK 270 CDI. I didn't want Premacy HP, which are the later tyre, because the tread pattern is different. It's becoming harder now to locate Premacy MO G1.
I had to get W ratings, because the V rating wasn't available. The W's were the last in stock at Elitedirect.com and they arrived (Essex to South Yorks) in less than 24 hours. That's service for you. Price £116 delivered.
My dealer fitted them last week for a small consideration whilst the car was in for an MOT.
I wanted the same tyre tread as the front for obvious reasons, winter on its way but also to keep the cruise control placated!
I don't think your cruise will be damaged Andy, it will just keep dropping out if it's unhappy.
I had to get W ratings, because the V rating wasn't available. The W's were the last in stock at Elitedirect.com and they arrived (Essex to South Yorks) in less than 24 hours. That's service for you. Price £116 delivered.
My dealer fitted them last week for a small consideration whilst the car was in for an MOT.
I wanted the same tyre tread as the front for obvious reasons, winter on its way but also to keep the cruise control placated!
I don't think your cruise will be damaged Andy, it will just keep dropping out if it's unhappy.
Last edited:
