Mercedes-Benz GLC : Changing a wheel / Notes on selecting, installing and replacing tires

NOTE Mercedes-AMG vehicles

Observe the notes in the Supplement. You could otherwise fail to recognize dangers.

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

If wheels and tires of the wrong size are installed, the wheel brakes or wheel suspension components may be damaged.

Always replace wheels and tires with those that fulfill the specifications of the original part.

When replacing wheels, make sure to fit the correct:

• Designation
• Model

When replacing tires, make sure to install the correct:

• Designation
• Manufacturer
• Model

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

Exceeding the specified tire load rating or the permissible speed rating may lead to tire damage and to the tires bursting.

Therefore, only use tire types and sizes approved for your vehicle model.

Observe the tire load rating and speed rating required for your vehicle.

NOTE Vehicle and tire damage through tire types and sizes that have not been approved

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

These tires are specially adapted to the control systems, such as ABS, ESP® and 4MATIC, and marked as follows:

• MO = Mercedes-Benz Original
• MOE = Mercedes-Benz Original Extended (run-flat tire only for certain wheels)
• MO1 = Mercedes-Benz Original (only certain AMG tires)

Certain characteristics, such as handling, vehicle noise emissions, consumption, etc. may otherwise be adversely affected. Furthermore, other tire sizes could result in the tires rubbing against the body and axle components when loaded. This could result in damage to the tire or the vehicle.

Only use tires, wheels and accessories that have been checked and recommended by Mercedes-Benz.

NOTE Risk to driving safety from retreaded tires

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

For this reason driving safety cannot be guaranteed.

Do not use used tires if you have no information about their previous usage.

NOTE Possible damage to wheels or tires when driving over obstacles

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

Avoid obstacles or drive particularly carefully.

NOTE Possible wheel and tire damage when parking on curbs or in potholes

Parking on curbs or in potholes may damage the wheels and tires.

If possible, park only on flat surfaces.

Avoid curbs and potholes when parking.

NOTE Damage to electronic component parts from the use of tire-mounting tools

Vehicles with a tire pressure monitoring system: Electronic component parts are located in the wheel. Tire-mounting tools should not be used in the area of the valve.

This could otherwise damage the electronic component parts.

Have the tires changed at a qualified specialist workshop only.

NOTE Damage to summer tires at low ambient temperatures

At low ambient temperatures, tears could form when driving with summer tires, causing permanent damage to the tire.

At temperatures below 45 °F (7 °C) use M+S- tires.

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 inquire about:

• Suitability
• Legal stipulations
• Factory recommendations

WARNING Risk of accident with high performance tires

The special tire tread in combination with the optimized tire compound means that the risk of skidding and hydroplaning on wet roads is increased.

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

Switch on the ESP® and adapt your driving style accordingly.

Use M+S tires at outside temperatures of less than 50 °F (10 °C).

Only use the tires for their intended purpose.

Observe the following when selecting, installing and replacing tires:

• Furthermore, the use of certain tire types in certain regions and areas of operation can be highly beneficial.
• Only use tires and wheels of the same type (summer tires, winter tires, MOExtended tires) and the same make.
• Only install wheels of the same size on one axle (left and right).

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

• Vehicles with a tire pressure monitoring system: All installed wheels must be equipped with functioning sensors for the tire pressure monitoring system.
• At temperatures below 45°F (7°C) use winter tires or all-season tires marked M+S for all wheels.

  Winter tires provide the best possible grip in wintry road conditions.

• For M+S tires, only use tires with the same tread.
• Observe the maximum permissible speed for the M+S tires installed.

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

• Break in new tires at moderate speeds for the first 60 miles (100 km).
• Replace the tires after six years at the latest, regardless of wear.
• When replacing with tires that do not feature run-flat characteristics: vehicles with MOExtended tires are not equipped with a TIREFIT kit at the factory. Equip the vehicle with a TIREFIT kit after replacing with tires that do not feature run-flat characteristics, e.g. winter tires.

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

Be sure to also observe the following further related subjects:

• Notes on tire pressure
• Tire and Loading Information placard
• Tire size designation, load-bearing capacity, speed rating and load index
• Tire pressure table
• Notes on the emergency spare wheel