ET28–ET52 (9 configs)
| Configuration | Front | Rear | Offset | Backspacing | Tire | Bolt pattern | Center bore | Thread |
|---|---|---|---|---|---|---|---|---|
| SLK 200 · 1.8L, I4, Petrol | 7x16 | 7x16 | ET38 | 5.00 in | 205/55R16 | 5x112 | 66.6 mm | M14 x 1.5 |
| SLK 200 · 1.8L, I4, Petrol | 7.5x17 | 7x16 | ET42 / ET38 | 5.40 in | 225/45R17 / 205/55R16 | 5x112 | 66.6 mm | M14 x 1.5 |
| SLK 200 · 1.8L, I4, Petrol | 7.5x18 | 7x16 | ET42 / ET38 | 5.40 in | 225/40R18 / 205/55R16 | 5x112 | 66.6 mm | M14 x 1.5 |
| SLK 250 · 1.8L, I4, Petrol | 7x16 | 7x16 | ET38 | 5.00 in | 205/55R16 | 5x112 | 66.6 mm | M14 x 1.5 |
| SLK 250 · 1.8L, I4, Petrol | 7.5x17 | 7x16 | ET42 / ET38 | 5.40 in | 225/45R17 / 205/55R16 | 5x112 | 66.6 mm | M14 x 1.5 |
| SLK 250 · 1.8L, I4, Petrol | 7.5x18 | 7x16 | ET42 / ET38 | 5.40 in | 225/40R18 / 205/55R16 | 5x112 | 66.6 mm | M14 x 1.5 |
| SLK 250 CDI · I4, Diesel | 7x16 | 6x15 | ET43 / ET48 | 5.19 in | 185/55R16 / 205/65R15 | 5x112 | 66.6 mm | M14 x 1.5 |
| SLK 250 CDI · I4, Diesel | 6x16 | 6x15 | ET28 / ET48 | 4.10 in | 205/55R16 / 205/65R15 | 5x112 | 66.6 mm | M14 x 1.5 |
| SLK 250 CDI · I4, Diesel | 8.5x16 | 6x15 | ET47 / ET48 | 6.10 in | 225/35R16 / 205/65R15 | 5x112 | 66.6 mm | M14 x 1.5 |
| SLK 250 CDI · I4, Diesel | 6.5x18 | 6x15 | ET32 / ET48 | 4.51 in | 205/30R18 / 205/65R15 | 5x112 | 66.6 mm | M14 x 1.5 |
| SLK 350 · 3.5L, V6, Petrol | 7x18 | 7x17 | ET52 | 5.55 in | 225/55R18 / 245/35R17 | 5x112 | 66.6 mm | M14 x 1.5 |
| SLK 350 · 3.5L, V6, Petrol | 8x18 | 7x17 | ET42 / ET52 | 5.65 in | 235/50R18 / 245/35R17 | 5x112 | 66.6 mm | M14 x 1.5 |
See how a different wheel would sit See wheel backspacing
See how a different width or offset sits versus an OEM configuration for this year.
White Knight Chrome M12x1.50 Bulge Acorn Lug Nut, 20 Count
M12 x 1.5
Matches M12 x 1.5 thread — confirm wheel seat style
Check price on Amazon
White Knight 3807BK-20AM Black Chrome M12x1.50 Spline Lug Nut, 20 items
M12 x 1.5
Matches M12 x 1.5 thread — confirm wheel seat style
Check price on Amazon
MCGARD Chrome Cone Seat M12 x 1.5 Wheel Locks
M12 x 1.5 · lock
Matches M12 x 1.5 — confirm seat style for your wheel
Check price on Amazon
Gorilla Automotive Wheel Locks With Washer (M12x1.50)
M12 x 1.5 · lock
Matches M12 x 1.5 — confirm seat style for your wheel
Check price on AmazonObserved aftermarket setups from documented Modified1 builds. These are individual build records — not OEM specifications and not clearance guarantees for every vehicle.
Among builds in our database for this model year:
1 documented build.
Documented on a 2013 Mercedes-Benz SLK-Class build — observed custom fitment, not a universal fit guarantee.
Wheel: Mandrus Rotec
Compared with the 18×6.5 ET32 OEM configuration. Calculated geometry only — not fit confirmation.
OEM offsets are catalog configurations, not an aftermarket “safe ET range.” Matching offset alone does not confirm clearance. Documented custom builds are observed setups only.