Replace tires - AR40.10-P-1030MB

MODEL 220 with CODE (979) Special protection version with PAX system run-flat wheel 

MODEL 221 with CODE (Z07) Top protection with PAX system emergency wheel 

Fig 1: Identifying Tires, Support Ring And Disk Wheel

Courtesy of MERCEDES-BENZ USA

Fig 2: Identifying TPM [RDK] Wheel Sensor

Courtesy of MERCEDES-BENZ USA

	Checking
	Tires - General information		AH40.10-P-1020-01D
1	Checking tire pressure monitor battery	Vehicles with code (475) Tire pressure monitoring system (Beru)
	Checking tire pressure monitor battery	Model 220	AP40.15-P-4056M
	Disassemble
2	Detach PAX system run-flat wheel
	Remove/install wheels, rotate if necessary	Model 220	AP40.10-P-4050Z
		Model 221	AP40.10-P-4050SX
3	Remove bonded wheel balance weights using removal tool	Do not use a hard, pointed or sharp-edged tool so as to avoid damaging the surface of the disk wheel (5).
			Fig 3
		Loctite 7200	*BR00.45-Z-1038-04A
4	Remove valve element from valve
5	Remove tires (1) and support ring (4)	To avoid causing damage, perform operations on tires (1) and support ring (4) using the specified tools only. Pay attention to manufacturer's operating instructions.	AR40.10-P-1030-01MB
		Wide-tire mounting paste Tire mounting device	*BR00.45-Z-1066-06A
	Checking
6	Check tires (1) and support ring (4) for damage	Check tires (1) for visible areas of cord. Check support ring (4) for tearing, pressure marks or deformation at the bars.
7	Check TPM [RDK] wheel sensor (A69/1 to A69/5), valve body (3) and shoulder seal (3s, only up to 08/2004) for damage when installed	Vehicles with code (475) Tire pressure monitoring system (Beru)
		Do not remove TPM [RDK] wheel sensor (A69/1 to A69/5). Do not tighten bolt (3a) or union nut (2), as this will damage the TPM [RDK] wheel sensor (A69/1 to A69/5). Replace all components if the bolt (3a) or the union nut (2) of the TPM [RDK] wheel sensor (A69/1 to A69/5) is visibly loose. Replace TPM [RDK] wheel sensor (A69/1 to A69/5) if damage is visible and after using the TIREFIT tire sealant:↓
		Remove/install wheel sensor. When doing so, observe the tightening torques for the different gasket versions:↓	AR40.15-P-0080A
	Gasket of valve body modified.		BT40.15-P-0080-01A
	Clean
8	Clean TPM [RDK] wheel sensor (A69/1 to A69/5)	Vehicles with code (475) Tire pressure monitor (Siemens) Wipe off dirt with a clean, lint-free cloth only. Do not use compressed air, solvents or cleaners, as this will damage the TPM [RDK] wheel sensor (A69/1 to A69/5).
	Assemble
9	Mount tires (1) and support ring (4)		AR40.10-P-1030-02MB
		Wide-tire mounting paste Tire mounting device	*BR00.45-Z-1066-06A
10	Inflate tire (1)
11	Screw valve element into valve
12	Adjust tire inflation pressure to correct pressure.	See tire pressure label in the vehicle's fuel filler flap.
13	Balance wheel	Model 220	AR40.10-P-1040A
		Model 221	AR40.10-P-1040SX
14	Mount wheel
	Remove/install wheels, rotate if necessary	Model 220	AP40.10-P-4050Z
		Model 221	AP40.10-P-4050SX
15	Activate the tire pressure monitoring system	Model 220	AR54.30-P-1000-02RAM
		Model 221	AR54.30-P-1000-02RAS

Fig 3: Identifying Removal Tool (129 589 00 59 00)

Courtesy of MERCEDES-BENZ USA