2009 Mercedes-Benz SL-Class Wheel Offset

Quick specs

Wheel size: 8.5x18 · 8.5x19 · 8.5x17 · 9x20
Offset: ET35 · ET30
Backspacing: 5.63 in · 5.43 in · 5.68 in
Bolt pattern: 5x112
Center bore: 66.6 mm
Thread: M12 x 1.5 · M14 x 1.5
Tire size: 255/40R18 · 255/35R19 · 255/45R17 · 255/30R20

OEM configurations

Configuration	Front	Rear	Offset	Backspacing	Tire	Bolt pattern	Center bore	Thread
SL 550 · 5.5L, V8, Petrol	8.5x18	8.5x18	ET35	5.63 in	255/40R18	5x112	66.6 mm	M14 x 1.5
SL 550 · 5.5L, V8, Petrol	8.5x18	8.5x18	ET30 / ET35	5.43 in	255/40R18	5x112	66.6 mm	M14 x 1.5
SL 550 · 5.5L, V8, Petrol	8.5x19	8.5x18	ET30 / ET35	5.43 in	255/35R19 / 255/40R18	5x112	66.6 mm	M14 x 1.5
SL 550 · 5.5L, V8, Petrol	8.5x19	8.5x18	ET35	5.63 in	255/35R19 / 255/40R18	5x112	66.6 mm	M14 x 1.5
SL 600 · 5.5L, V12, Petrol	8.5x18	8.5x18	ET35	5.63 in	255/40R18	5x112	66.6 mm	M14 x 1.5
SL 600 · 5.5L, V12, Petrol	8.5x18	8.5x18	ET30 / ET35	5.43 in	255/40R18	5x112	66.6 mm	M14 x 1.5
SL 280 · 3.0L, V6, Petrol	8.5x17	8.5x18	ET35	5.63 in	255/45R17 / 255/40R18	5x112	66.6 mm	M14 x 1.5
SL 280 · 3.0L, V6, Petrol	8.5x18	8.5x18	ET35	5.63 in	255/40R18	5x112	66.6 mm	M14 x 1.5
SL 280 · 3.0L, V6, Petrol	8.5x18	8.5x18	ET30 / ET35	5.43 in	255/40R18	5x112	66.6 mm	M14 x 1.5
SL 300 · 3.0L, V6, Petrol	8.5x17	8.5x18	ET35	5.63 in	255/45R17 / 255/40R18	5x112	66.6 mm	M14 x 1.5
SL 300 · 3.0L, V6, Petrol	8.5x18	8.5x18	ET35	5.63 in	255/40R18	5x112	66.6 mm	M14 x 1.5
SL 300 · 3.0L, V6, Petrol	8.5x18	8.5x18	ET30 / ET35	5.43 in	255/40R18	5x112	66.6 mm	M14 x 1.5
SL 350 · 3.5L, V6, Petrol	8.5x17	8.5x18	ET35	5.63 in	255/45R17 / 255/40R18	5x112	66.6 mm	M14 x 1.5
SL 350 · 3.5L, V6, Petrol	8.5x18	8.5x18	ET35	5.63 in	255/40R18	5x112	66.6 mm	M14 x 1.5
SL 350 · 3.5L, V6, Petrol	8.5x18	8.5x18	ET30 / ET35	5.43 in	255/40R18	5x112	66.6 mm	M14 x 1.5
SL 500 · 5.5L, V8, Petrol	8.5x17	8.5x18	ET35	5.63 in	255/45R17 / 255/40R18	5x112	66.6 mm	M14 x 1.5
SL 500 · 5.5L, V8, Petrol	8.5x18	8.5x18	ET35	5.63 in	255/40R18	5x112	66.6 mm	M14 x 1.5
SL 500 · 5.5L, V8, Petrol	8.5x18	8.5x18	ET30 / ET35	5.43 in	255/40R18	5x112	66.6 mm	M14 x 1.5

Lug hardware

Real-World 2009 Mercedes-Benz SL-Class Wheel Setups

Observed aftermarket setups from documented Modified1 builds. These are individual build records — not OEM specifications and not clearance guarantees for every vehicle.

Common custom wheel sizes

Among builds in our database for this model year:

20-inch — 8 documented builds

8 documented builds.

Diameter

2009 Mercedes-Benz SL-Class custom wheel setup

Staggered · 20×8.5 / 20×10

Documented on a 2009 Mercedes-Benz SL-Class build — observed custom fitment, not a universal fit guarantee.

Wheel: XO Luxury Miami

Front: 20×8.5 · 255/30R20
Rear: 20×10 · 305/25R20

Compared with OEM

Compared with the 18×8.5 ET35 OEM configuration. Calculated geometry only — not fit confirmation.

Diameter +2" vs OEM

View full build on Modified1

Staggered · 20×? / Rear unknown

Documented on a 2009 Mercedes-Benz SL-Class build — observed custom fitment, not a universal fit guarantee.

Wheel: Vossen VVS-077

Front: 20×?
Rear: —

Compared with OEM

Compared with the 18×8.5 ET35 OEM configuration. Calculated geometry only — not fit confirmation.

Diameter +2" vs OEM

View full build on Modified1

Staggered · 20×? / Rear unknown

Documented on a 2009 Mercedes-Benz SL-Class build — observed custom fitment, not a universal fit guarantee.

Wheel: Vossen VVS-075

Front: 20×?
Rear: —

Compared with OEM

Compared with the 18×8.5 ET35 OEM configuration. Calculated geometry only — not fit confirmation.

Diameter +2" vs OEM

View full build on Modified1

Staggered · 20×? / Rear unknown

Documented on a 2009 Mercedes-Benz SL-Class build — observed custom fitment, not a universal fit guarantee.

Wheel: GFG Mykonos

Front: 20×?
Rear: —

Compared with OEM

Compared with the 18×8.5 ET35 OEM configuration. Calculated geometry only — not fit confirmation.

Diameter +2" vs OEM

View full build on Modified1

Staggered · 20×? / Rear unknown

Documented on a 2009 Mercedes-Benz SL-Class build — observed custom fitment, not a universal fit guarantee.

Wheel: Lorinser For6

Front: 20×?
Rear: —

Compared with OEM

Compared with the 18×8.5 ET35 OEM configuration. Calculated geometry only — not fit confirmation.

Diameter +2" vs OEM

View full build on Modified1

Staggered · 20×? / Rear unknown

Documented on a 2009 Mercedes-Benz SL-Class build — observed custom fitment, not a universal fit guarantee.

Wheel: GFG Trento-7

Front: 20×?
Rear: —

Compared with OEM

Compared with the 18×8.5 ET35 OEM configuration. Calculated geometry only — not fit confirmation.

Diameter +2" vs OEM

View full build on Modified1

Staggered · 20×? / Rear unknown

Documented on a 2009 Mercedes-Benz SL-Class build — observed custom fitment, not a universal fit guarantee.

Wheel: Vossen VVS-077

Front: 20×?
Rear: —

Compared with OEM

Compared with the 18×8.5 ET35 OEM configuration. Calculated geometry only — not fit confirmation.

Diameter +2" vs OEM

View full build on Modified1

Staggered · 20×? / Rear unknown

Documented on a 2009 Mercedes-Benz SL-Class build — observed custom fitment, not a universal fit guarantee.

Wheel: Vossen CV2

Front: 20×?
Rear: —

Compared with OEM

Compared with the 18×8.5 ET35 OEM configuration. Calculated geometry only — not fit confirmation.

Diameter +2" vs OEM

View full build on Modified1

More specs for the 2009 Mercedes-Benz SL-Class

Each OEM row is a catalog configuration. Offset ranges are not collapsed when the database has exact setups. Documented aftermarket builds are observed setups only — not universal fit or clearance confirmation.