2012 Mercedes-Benz SL-Class Wheel Offset

Quick specs

Wheel size
Multiple — see configurations
Offset
ET35 · ET30 · ET36 · ET27
Backspacing
Multiple — see configurations
Bolt pattern
5x112
Center bore
66.6 mm
Thread
M14 x 1.5
Tire size
Multiple — see configurations

OEM configurations

ConfigurationFrontRearOffsetBackspacingTireBolt patternCenter boreThread
SL 550 · 5.5L, V8, Petrol8.5x188.5x18ET355.63 in255/40R185x11266.6 mmM14 x 1.5
SL 550 · 5.5L, V8, Petrol8.5x188.5x18ET30 / ET355.43 in255/40R185x11266.6 mmM14 x 1.5
SL 550 · 5.5L, V8, Petrol8.5x198.5x18ET30 / ET355.43 in255/35R19 / 255/40R185x11266.6 mmM14 x 1.5
SL 550 · 5.5L, V8, Petrol8.5x198.5x18ET355.63 in255/35R19 / 255/40R185x11266.6 mmM14 x 1.5
SL 600 · 5.5L, V12, Petrol8.5x188.5x18ET355.63 in255/40R185x11266.6 mmM14 x 1.5
SL 600 · 5.5L, V12, Petrol8.5x188.5x18ET30 / ET355.43 in255/40R185x11266.6 mmM14 x 1.5
SL 600 · 5.5L, V12, Petrol8.5x198.5x18ET30 / ET355.43 in255/35R19 / 255/40R185x11266.6 mmM14 x 1.5
SL 600 · 5.5L, V12, Petrol8.5x198.5x18ET355.63 in255/35R19 / 255/40R185x11266.6 mmM14 x 1.5
SL 350 · 3.5L, V6, Petrol8x178.5x18ET30 / ET365.18 in255/45R17 / 255/40R185x11266.6 mmM14 x 1.5
SL 350 · 3.5L, V6, Petrol8.5x188.5x18ET365.67 in255/45R18 / 255/40R185x11266.6 mmM14 x 1.5
SL 350 · 3.5L, V6, Petrol8.5x188.5x18ET365.67 in255/40R185x11266.6 mmM14 x 1.5
SL 400 · 3.0L, V6, Petrol8x178.5x18ET30 / ET365.18 in255/45R17 / 255/40R185x11266.6 mmM14 x 1.5
SL 400 · 3.0L, V6, Petrol8.5x188.5x18ET365.67 in255/45R18 / 255/40R185x11266.6 mmM14 x 1.5
SL 400 · 3.0L, V6, Petrol8.5x188.5x18ET365.67 in255/40R185x11266.6 mmM14 x 1.5
SL 500 · 4.7L, V8, Petrol8.5x188.5x18ET365.67 in255/40R185x11266.6 mmM14 x 1.5
SL 350 (RBA-231457) · 3.5L, V6, Petrol8x178.5x18ET30 / ET365.18 in255/45R17 / 255/40R185x11266.6 mmM14 x 1.5
SL 350 (RBA-231457) · 3.5L, V6, Petrol8.5x188.5x18ET365.67 in255/45R18 / 255/40R185x11266.6 mmM14 x 1.5
SL 350 (RBA-231457) · 3.5L, V6, Petrol8.5x188.5x18ET365.67 in255/40R185x11266.6 mmM14 x 1.5
SL 550 (CBA-231473) · 4.7L, V8, Petrol8.5x198.5x19ET365.67 in255/35R195x11266.6 mmM14 x 1.5
SL 550 (CBA-231473) · 4.7L, V8, Petrol8.5x188.5x19ET365.67 in255/40R18 / 255/35R195x11266.6 mmM14 x 1.5
SL 550 (CBA-231473) · 4.7L, V8, Petrol8.5x198.5x19ET35 / ET365.63 in255/35R195x11266.6 mmM14 x 1.5
SL 550 (CBA-231473) · 4.7L, V8, Petrol9x198.5x19ET27 / ET365.56 in255/35R195x11266.6 mmM14 x 1.5
SL 550 (CBA-231473) · 4.7L, V8, Petrol9x208.5x19ET30 / ET365.68 in255/30R20 / 255/35R195x11266.6 mmM14 x 1.5

Lug hardware

More on Amazon
  • Dorman 611-236 Wheel Lug Nut M14-1.50

    M14 x 1.5

    Matches the listed specification. Not a full fitment guarantee.

    Check price on Amazon
  • White Knight M14 x 1.50 Lug Nuts

    M14 x 1.5

    Matches the listed specification. Not a full fitment guarantee.

    Check price on Amazon
  • White Knight 3809XLBK-33AM Black M14x1.50 Lug Nuts

    M14 x 1.5

    Matches the listed specification. Not a full fitment guarantee.

    Check price on Amazon

Real-World 2012 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 — 1 documented build

1 documented build.

2012 Mercedes-Benz SL-Class custom wheel setup

Staggered · 20×10.5 / 20×12.5

Documented on a 2012 Mercedes-Benz SL-Class build — observed custom fitment, not a universal fit guarantee.

Wheel: Rotiform

Front
20×10.5 · 265/30R20
Rear
20×12.5 · 325/25R20
Compared with OEM

Compared with the 18×8.5 ET36 OEM configuration. Calculated geometry only — not fit confirmation.

  • Diameter +2" vs OEM

More specs for the 2012 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.