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Notes on selecting, fitting and replacing tyres

You can ask for information regarding permitted wheel/tyre combinations at a Mercedes-Benz Service Centre.

WARNING Risk of accident due to incorrect dimensions of wheels and tyres

If wheels and tyres of the wrong size are used, the wheel brakes or wheel suspension components may become damaged.

Always replace wheels and tyres with those that fulfil the specifications of the original part.
When replacing wheels, make sure to fit the correct:

  • Designation

  • Type

When replacing tyres, make sure to fit the correct:

  • Designation

  • Manufacturer

  • Type

WARNING Risk of injury through exceeding the specified tyre load-bearing capacity or the permissible speed rating

Exceeding the specified tyre load-bearing capacity or the permissible speed rating may lead to tyre damage and to the tyres bursting.

Therefore, only use tyre types and sizes approved for your vehicle model.
Observe the tyre load-bearing capacity rating and speed rating required for your vehicle.
NOTEDamage to vehicle and tyres due to non-approved tyre types and sizes

For safety reasons, only use wheels, tyres and accessories which have been approved for your vehicle by Mercedes-Benz.

These tyres have been specially adapted for use with the control systems, e. g. ABS or ESP®, and are marked as follows:

  • MO = Mercedes-Benz Original

  • MOE = Mercedes-Benz Original Extended (run-flat tyres only for certain wheels)

  • MO1 = Mercedes-Benz Original (only certain AMG tyres)

Certain characteristics, e. g. handling, vehicle noise emissions or fuel consumption, may otherwise be adversely affected. In addition, when driving with a load, tyre dimension variations could cause the tyres to come into contact with the body and axle components. This could result in damage to the tyres or the vehicle.

Only use tyres, wheels or accessories tested and approved by Mercedes-Benz.

NOTERisk to driving safety from retreaded tyres

Retreaded tyres are neither tested nor recommended by Mercedes-Benz, since previous damage cannot always be detected on retreaded tyres.

For this reason driving safety cannot be guaranteed.

Do not use used tyres if you have no information about their previous usage.
NOTE Possible damage to wheels or tyres when driving over obstacles

Large wheels have a lower tyre section width. The lower the tyre section width, the greater is the risk of damage to wheels or tyres when driving over obstacles.

Avoid obstacles or drive particularly carefully.
NOTE Damage to electronic component parts from the use of tyre-fitting tools

Vehicles with a tyre pressure monitoring system: electronic component parts are located in the wheel. Tyre-fitting tools should not be applied in the area of the valve.

The tools could damage the electronic component parts.

Have the tyres changed at a qualified specialist workshop only.
NOTE Damage to summer tyres at low ambient temperatures

Using summer tyres at very low ambient temperatures can cause cracks to form, thereby damaging the tyres permanently.

At temperatures below 7 °Cuse M+S-tyres.

Accessory parts that are not approved for your vehicle by Mercedes-Benz or are not being used correctly can impair the operating safety.

Before purchasing and using non-approved accessories, visit a qualified specialist workshop and enquire about:

  • Suitability

  • Legal stipulations

  • Factory recommendations

WARNING Risk of accident with high performance tyres

The special tyre tread in combination with the optimised tyre compound, means that the risk of skidding or hydroplaning on wet roads is increased.

In addition, the tyre grip is greatly reduced at a low outside temperature and tyre running temperature.

Switch on the ESP® and adapt your driving style accordingly.
Use M+S tyres at outside temperatures of less than 50 °F.
Observe the following when selecting, fitting and replacing tyres:

  • Country-specific requirements for tyre approval that define a specific tyre type for your vehicle.

    Furthermore, the use of certain tyre types in certain regions and areas of operation can be highly beneficial.

  • Only use tyres and wheels of the same type (summer tyres, winter tyres, MOExtended tyres) and the same make.

  • Only fit wheels of the same size on one axle (left and right).

    It is only permissible to fit a different wheel size in the event of a flat tyre in order to drive to the specialist workshop.

  • Only fit tyres of the correct size onto the wheels.

  • Do not make any modifications to the brake system, the wheels or the tyres.

    The use of shims or brake dust shields is not permitted and may invalidate the vehicle's general operating permit.

  • Vehicles with a tyre pressure monitoring system: all fitted wheels must be equipped with functioning sensors for the tyre pressure monitoring system.

  • At temperatures below 7 °C, use winter tyres or all-season tyres marked M+S for all wheels.

    Winter tyres bearing the snowflake symbol in addition to the M+S marking provide the best possible grip in wintry road conditions.

  • For M+S tyres, only use tyres with the same tread.

  • Observe the maximum permissible speed for the M+S tyres fitted.

    If this is below the vehicle's maximum speed, this must be indicated in an appropriate label in the driver's field of vision.

  • Run in new tyres at moderate speeds for the first 100 km.

  • Replace the tyres after six years at the latest, regardless of wear.

  • When replacing with tyres that do not feature run-flat characteristics: vehicles with MOExtended tyres are not equipped with a TIREFIT kit at the factory. Equip the vehicle with a TIREFIT kit after replacing with tyres that do not feature run-flat characteristics, e. g. winter tyres.

For more information on wheels and tyres, contact a qualified specialist workshop.

Be sure to also observe the following further related subjects:

  • Notes on tyre pressure More

  • Tyre pressure table More

Vehicles with an AMG Driver's Package
WARNING Risk of accident caused by non-approved tyre types

If you use tyre types that have not been adapted to changes made to the factory speed limit, this can have the following consequences:

  • The tyres do not exhibit the required quality characteristics and are not suitable for high speeds or the relevant driving dynamics.

  • The tyres wear unevenly and could, therefore, affect the roadworthiness of the vehicle.

  • ABS, ESP® and cruise control operation are restricted.

This can jeopardise road safety.

Only use tyre types that have been approved for the maximum road speed set and the vehicle.