Mercedes-Benz GLC : Changing a wheel / Mounting a new wheel

NOTE Mercedes-AMG vehicles

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

WARNING Risk of accident from losing a wheel

Oiled, greased or damaged wheel bolt/wheel nut threads or wheel hub/wheel mounting bolt threads can cause the wheel bolts/ wheel nuts to come loose.

Never oil or grease the threads.

In the event of damage to the threads, contact a qualified specialist workshop immediately.

Have the damaged wheel bolts or damaged hub threads replaced.

Do not continue driving.

Observe the information on the choice of tires.

For tires with a specified direction of rotation, an arrow on the side wall of the tire indicates the correct direction of rotation. Observe the direction of rotation when installing.

Slide the wheel to be mounted onto the alignment bolt and push it on.

WARNING Risk of injury from tightening wheel bolts and nuts

If you tighten the wheel bolts or wheel nuts when the vehicle is raised, the jack could tip.

Only tighten wheel bolts or wheel nuts when the vehicle is on the ground.

Be sure to observe the instructions and safety notes on "Changing a wheel".

For safety reasons, only use wheel bolts which have been approved by Mercedes-Benz and for the wheel in question.

NOTE Damage to paintwork of the wheel rim when screwing on the first wheel bolt

If the wheel has too much play when screwing in the first wheel bolt, the wheel rim paint can be damaged.

Press the wheel firmly against the wheel hub when screwing on the first wheel bolt.

Tighten the wheel bolts evenly in a diagonal pattern in the order indicated until they are finger-tight.

Unscrew and remove the alignment bolt.

Tighten the last wheel bolt until it is fingertight.

Lower the vehicle.

Lowering the vehicle after a wheel change

Requirements:

• The new wheel has been installed.

To lower the vehicle: place the ratchet onto the hexagon nut of the jack so that the letters "AB" are visible and turn counter-clockwise.

Tighten the wheel bolts evenly in a diagonal pattern in the order indicated to with an initial maximum force of 59 lb-ft (80 Nm).

Tighten the wheel bolts evenly in a diagonal pattern in the order indicated to to the specified tightening torque of 111 lb-ft (150 Nm).

WARNING Risk of accident due to incorrect tightening torque

The wheels could come loose if the wheel bolts or wheel nuts are not tightened to the prescribed torque.

Ensure that the wheel bolts or wheel nuts are tightened to the prescribed tightening torque.

If you are not sure, do not move the vehicle. Contact a qualified specialist workshop and have the tightening torque checked immediately.

Check the tire pressure of the newly installed wheel and adjust it if necessary.

Vehicles with tire pressure loss warning system: Restart the tire pressure loss warning system.

Exception: the new wheel is an emergency spare wheel.

Vehicles with a tire pressure monitoring system: Restart the tire pressure monitoring system.

Exception: the new wheel is an emergency spare wheel.