Mercedes W 199 (SLR) wheel sizes

Year	Wheel size	Offset	Bolt pattern	Tire size
Mercedes W 199 (SLR) 5,4L
2004	18x9.0	45		245/40R18 front
	18x11.5	34		295/35R18 rear
	19x9.0	45		245/35R19 front
	19x11.5	44		295/30R19 rear
				255/30R20 front
	20x9.0	45		255/35R20 front
	20x11.5	44		295/25R20 rear
2005	18x9.0	45		245/40R18 front
	18x11.5	34		295/35R18 rear
	19x9.0	45		245/35R19 front
	19x11.5	44		295/30R19 rear
				255/30R20 front
	20x9.0	45		255/35R20 front
	20x11.5	44		295/25R20 rear
2006	18x9.0	45		245/40R18 front
	18x11.5	34		295/35R18 rear
	19x9.0	45		245/35R19 front
	19x11.5	44		295/30R19 rear
				255/30R20 front
	20x9.0	45		255/35R20 front
	20x11.5	44		295/25R20 rear
2007	18x9.0	45		245/40R18 front
	18x11.5	34		295/35R18 rear
	19x9.0	45		245/35R19 front
	19x11.5	44		295/30R19 rear
				255/30R20 front
	20x9.0	45		255/35R20 front
	20x11.5	44		295/25R20 rear
2008	18x9.0	45		245/40R18 front
	18x11.5	34		295/35R18 rear
	19x9.0	45		245/35R19 front
	19x11.5	44		295/30R19 rear
				255/30R20 front
	20x9.0	45		255/35R20 front
	20x11.5	44		295/25R20 rear
2009	18x9.0	45		245/40R18 front
	18x11.5	34		295/35R18 rear
	19x9.0	45		245/35R19 front
	19x11.5	44		295/30R19 rear
				255/30R20 front
	20x9.0	45		255/35R20 front
	20x11.5	44		295/25R20 rear
2010	18x9.0	45		245/40R18 front
	18x11.5	34		295/35R18 rear
	19x9.0	45		245/35R19 front
	19x11.5	44		295/30R19 rear
				255/30R20 front
	20x9.0	45		255/35R20 front
	20x11.5	44		295/25R20 rear

Tire size 18 to 20, width 245 to 295 and tire aspect 25 to 40.
Smallest tire size: 245/40R18, Largest: 255/35R20.