Wheel, tire, and stance recommendations for Mercedes-Benz C257 - CLS, built from Offset Lab fitment presets and factory baseline data.
Popular setup
Front
20x9 ET30
245/35R20
Rear
20x10.5 ET35
285/30R20
Factory baseline for CLS450: 19x8.5 ET35 / 19x9.5 ET40 on 235/40R19.
Recommendations
Trim
Factory: 19x8.5 ET35 / 19x9.5 ET40
235/40R19
5x112 · 66.6mm
Aggressive
Front: 20x9.5 ET25
Rear: 20x11 ET30
Tires: 255/35R20 / 295/30R20
High
Flush
Front: 20x9 ET30
Rear: 20x10.5 ET35
Tires: 245/35R20 / 285/30R20
Medium
OEM+
Front: 19x8.5 ET35
Rear: 19x9.5 ET40
Tires: 235/40R19 / 265/35R19
Low
Trim
Factory: 20x9 ET30 / 20x10 ET40
245/35R20
5x112 · 66.6mm
Aggressive
Front: 21x10 ET22
Rear: 21x11 ET32
Tires: 265/30R21 / 305/25R21
High
Flush
Front: 20x9.5 ET25
Rear: 20x10.5 ET35
Tires: 255/35R20 / 285/30R20
Medium
OEM+
Front: 20x9 ET30
Rear: 20x10 ET40
Tires: 245/35R20 / 275/30R20
Low
Fitment note
Final fitment depends on tire model, alignment, suspension height, brake clearance, body tolerance, and intended use. Test fit before committing to permanent changes.