Mercedes-AMG CLA45 / CLA45 S C118 / X118 wheel fitment
The C118 CLA45 and CLA45 S run a square 19-inch setup on 4MATIC+ all-wheel drive, so owners keep one tyre size on all four corners. Typical upgrades are hub-centric spacers on the factory wheels or a lighter 19x9 forged set, with brake clearance the main thing to check on smaller or lower-offset wheels.
5x112 bolt pattern · 66.6 mm centre bore · Stock wheels: 19 × 8.5, 19 × 9 inch · Stock tyres: 245/35 R19, 255/35 R19
Updated 2026-10-04 · High source confidence. Check your exact trim and market. How we check specs
Quick specs
Mercedes-AMG CLA45 / CLA45 S C118 / X118 hub and fastener specifications
MBWorld owners of a 2020 CLA45 report 12.5 mm front and 15 mm rear spacers working at standard height, and 10 mm front and 12.5 mm rear on H&R springs. Larger front spacers rubbed once lowered. Use spacers with a centring lip and longer bolts.
LFI lists 19x9 ET32 as a proven CLA45 build, and 19x9 wheels on 255/35 R19 tyres appear in C118 galleries. This sits about 20 mm further out than the factory 9J ET52 wheel, so check arch clearance if lowered.
19x8.5 square, mild
Front and rear
19 × 8.5 inch, ET42
Also listed by LFI as a proven CLA45 build. It sits 4 mm further out than the factory 8.5J ET46 wheel and suits the factory 245/35 R19 tyre.
Width and offset guidance
Offset range
Check the exact setup
There is no confirmed range for this car yet. Compare a known wheel with your proposed size and measure both sides.
Common width limit
Measure before ordering
A maximum width has not been confirmed. Tyre shape, ride height and alignment all change the available space.
These figures belong to the setups described here. Combining the widest wheel with either end of the offset range does not guarantee a safe fit. For how ET moves the wheel in and out, read wheel offset explained; for how far the tyre can sit out, see flush, poke and tucked fitment.
Clearance notes
The Mercedes CLA (C118) owner's manual specifies 130 Nm for the wheel bolts. Factory bolts have a ball seat; aftermarket wheels usually need conical-seat bolts.
Brake clearance on 18-inch wheels is tight. An 18x8 ET40 wheel cleared the upgraded brakes on a 2021 car by only 2.5-3 mm, and an 18x8 ET45 Enkei M52 did not clear the front calipers without a spacer.
Keep one tyre size on all four corners to protect the 4MATIC+ drivetrain.
Spacers must be hub-centric (66.6 mm) and bolts lengthened by the spacer thickness.
The earlier C117 CLA45 (2013-2019) uses different factory wheels and is covered separately.
Check full steering lock and suspension travel with the car loaded. Match wheel load rating, tyre load and speed ratings, fastener seats and brake clearance.
See it on your car.
Upload a photo and start with a look that suits the CLA45 / CLA45 S. Try the wheels, colour and stance before you spend on parts.
5x112 with a 66.6 mm centre bore, M14x1.5 bolts and 130 Nm torque.
What size are the factory CLA45 S wheels?+
The standard AMG 19-inch wheel is 8.5x19 ET46 with 245/35 R19 tyres. The optional 9x19 ET52 wheels take 255/35 R19.
Will 18-inch wheels fit over the CLA45 S brakes?+
Only some designs. One owner's 18x8 ET40 wheel cleared the upgraded brakes by 2.5-3 mm, while an 18x8 ET45 Enkei M52 did not clear. Ask for a brake template before buying.
What spacers do CLA45 owners use?+
Reported setups are 12.5 mm front and 15 mm rear at standard height, or 10 mm front and 12.5 mm rear with H&R springs.
What size tyres does the Mercedes-AMG CLA45 / CLA45 S C118 / X118 have?+
Factory tyre (tire) sizes for the 2019–present Mercedes-AMG CLA45 / CLA45 S C118 / X118 are 245/35 R19 and 255/35 R19, depending on trim. Your tyre placard shows the size for your car.
What wheel size does the Mercedes-AMG CLA45 / CLA45 S C118 / X118 use?+
Factory wheels are 19 × 8.5 inch and 19 × 9 inch, depending on trim. The stock table lists the offset for each.
What is the Mercedes-AMG CLA45 / CLA45 S C118 / X118 centre bore?+
66.6 mm. Aftermarket wheels with a larger bore need hub-centric rings sized to it.
What is the Mercedes-AMG CLA45 / CLA45 S C118 / X118 wheel bolt torque?+
130 Nm (about 96 lb-ft) for the original bolts. Confirm in your handbook, especially with aftermarket wheels or bolts.
This guide is a starting point, not a fitment guarantee. Specs can differ by market, trim and previous modifications. Confirm all sizes, clearances and fastener requirements with a qualified wheel and tyre professional before buying or fitting parts.
Related cars
More guides from Mercedes-AMG or cars with the same bolt pattern. A matching pattern alone does not make a wheel interchangeable.