Mercedes M-Class (W166) Wheel Lug Pattern, Offset, and Center Bore Reference
The Mercedes M-Class (W166) SUV, produced from 2011 to 2019, features specific wheel lug patterns designed for optimal fitment and performance. The common wheel lug pattern for the W166 is 5 × 112 mm PCD, paired with a center bore of 66.6 mm to ensure proper hub alignment.\n\nOffset (ET) values typically range between 34 mm and 45 mm depending on the rim size and style offered from factory or aftermarket wheels. Wheel rim sizes for the W166 span from 17" up to 21", influencing clearance and aesthetics. Correct offset and bore dimensions are essential for maintaining safe handling characteristics and brake clearance.\n\nRefer to the year-sorted data in this catalog to verify exact wheel specifications for your Mercedes M-Class (W166). Proper adherence to bolt pattern, offset, and center bore specifications will guarantee compatibility and optimal driving dynamics.
Year
| Make / model / trim | Year | Tire | Rim width (in) | Rim diam. (in) | Bolt pattern | Offset ET | Bore DIA | Mounting |
|---|---|---|---|---|---|---|---|---|
| Mercedes M-Class (W166) ML 250 CDI / BlueTEC 4-matic | 2019 | 255/55R18 | 8 | 18 | 5×112 | 56 | 66.6 | M14*1.5 |
| Mercedes M-Class (W166) ML 350 4-matic | 2019 | 255/55R18 | 8 | 18 | 5×112 | 56 | 66.6 | M14*1.5 |
| Mercedes M-Class (W166) ML 350 BlueTEC 4-matic | 2019 | 255/55R18 | 8 | 18 | 5×112 | 56 | 66.6 | M14*1.5 |
| Mercedes M-Class (W166) ML 400 4-matic | 2019 | 255/55R18 | 8 | 18 | 5×112 | 56 | 66.6 | M14*1.5 |
| Mercedes M-Class (W166) ML 500 4-matic | 2019 | 255/55R18 | 8 | 18 | 5×112 | 56 | 66.6 | M14*1.5 |
| Mercedes M-Class (W166) ML 63 AMG 4-matic | 2019 | 265/40R21 | 9 | 21 | 5×112 | 60 | 66.6 | M14*1.5 |
| Mercedes M-Class (W166) ML 250 CDI / BlueTEC 4-matic | 2018 | 255/55R18 | 8 | 18 | 5×112 | 56 | 66.6 | M14*1.5 |
| Mercedes M-Class (W166) ML 350 4-matic | 2018 | 255/55R18 | 8 | 18 | 5×112 | 56 | 66.6 | M14*1.5 |
| Mercedes M-Class (W166) ML 350 BlueTEC 4-matic | 2018 | 255/55R18 | 8 | 18 | 5×112 | 56 | 66.6 | M14*1.5 |
| Mercedes M-Class (W166) ML 400 4-matic | 2018 | 255/55R18 | 8 | 18 | 5×112 | 56 | 66.6 | M14*1.5 |
| Mercedes M-Class (W166) ML 500 4-matic | 2018 | 255/55R18 | 8 | 18 | 5×112 | 56 | 66.6 | M14*1.5 |
| Mercedes M-Class (W166) ML 63 AMG 4-matic | 2018 | 265/40R21 | 9 | 21 | 5×112 | 60 | 66.6 | M14*1.5 |
| Mercedes M-Class (W166) ML 250 CDI / BlueTEC 4-matic | 2017 | 255/55R18 | 8 | 18 | 5×112 | 56 | 66.6 | M14*1.5 |
| Mercedes M-Class (W166) ML 350 4-matic | 2017 | 255/55R18 | 8 | 18 | 5×112 | 56 | 66.6 | M14*1.5 |
| Mercedes M-Class (W166) ML 350 BlueTEC 4-matic | 2017 | 255/55R18 | 8 | 18 | 5×112 | 56 | 66.6 | M14*1.5 |
| Mercedes M-Class (W166) ML 400 4-matic | 2017 | 255/55R18 | 8 | 18 | 5×112 | 56 | 66.6 | M14*1.5 |
| Mercedes M-Class (W166) ML 500 4-matic | 2017 | 255/55R18 | 8 | 18 | 5×112 | 56 | 66.6 | M14*1.5 |
| Mercedes M-Class (W166) ML 63 AMG 4-matic | 2017 | 265/40R21 | 9 | 21 | 5×112 | 60 | 66.6 | M14*1.5 |
| Mercedes M-Class (W166) ML 250 CDI / BlueTEC 4-matic | 2016 | 255/55R18 | 8 | 18 | 5×112 | 56 | 66.6 | M14*1.5 |
| Mercedes M-Class (W166) ML 350 4-matic | 2016 | 255/55R18 | 8 | 18 | 5×112 | 56 | 66.6 | M14*1.5 |
| Mercedes M-Class (W166) ML 350 BlueTEC 4-matic | 2016 | 255/55R18 | 8 | 18 | 5×112 | 56 | 66.6 | M14*1.5 |
| Mercedes M-Class (W166) ML 400 4-matic | 2016 | 255/55R18 | 8 | 18 | 5×112 | 56 | 66.6 | M14*1.5 |
| Mercedes M-Class (W166) ML 500 4-matic | 2016 | 255/55R18 | 8 | 18 | 5×112 | 56 | 66.6 | M14*1.5 |
| Mercedes M-Class (W166) ML 63 AMG 4-matic | 2016 | 265/40R21 | 9 | 21 | 5×112 | 60 | 66.6 | M14*1.5 |
| Mercedes M-Class (W166) ML 250 CDI / BlueTEC 4-matic | 2015 | 255/55R18 | 8 | 18 | 5×112 | 56 | 66.6 | M14*1.5 |
| Mercedes M-Class (W166) ML 350 4-matic | 2015 | 255/55R18 | 8 | 18 | 5×112 | 56 | 66.6 | M14*1.5 |
| Mercedes M-Class (W166) ML 350 BlueTEC 4-matic | 2015 | 255/55R18 | 8 | 18 | 5×112 | 56 | 66.6 | M14*1.5 |
| Mercedes M-Class (W166) ML 400 4-matic | 2015 | 255/55R18 | 8 | 18 | 5×112 | 56 | 66.6 | M14*1.5 |
| Mercedes M-Class (W166) ML 500 4-matic | 2015 | 255/55R18 | 8 | 18 | 5×112 | 56 | 66.6 | M14*1.5 |
| Mercedes M-Class (W166) ML 63 AMG 4-matic | 2015 | 265/40R21 | 9 | 21 | 5×112 | 60 | 66.6 | M14*1.5 |
| Mercedes M-Class (W166) ML 250 CDI / BlueTEC 4-matic | 2014 | 255/55R18 | 8 | 18 | 5×112 | 56 | 66.6 | M14*1.5 |
| Mercedes M-Class (W166) ML 350 4-matic | 2014 | 255/55R18 | 8 | 18 | 5×112 | 56 | 66.6 | M14*1.5 |
| Mercedes M-Class (W166) ML 350 BlueTEC 4-matic | 2014 | 255/55R18 | 8 | 18 | 5×112 | 56 | 66.6 | M14*1.5 |
| Mercedes M-Class (W166) ML 400 4-matic | 2014 | 255/55R18 | 8 | 18 | 5×112 | 56 | 66.6 | M14*1.5 |
| Mercedes M-Class (W166) ML 500 4-matic | 2014 | 255/55R18 | 8 | 18 | 5×112 | 56 | 66.6 | M14*1.5 |
| Mercedes M-Class (W166) ML 63 AMG 4-matic | 2014 | 265/40R21 | 9 | 21 | 5×112 | 60 | 66.6 | M14*1.5 |
| Mercedes M-Class (W166) ML 250 CDI / BlueTEC 4-matic | 2013 | 255/55R18 | 8 | 18 | 5×112 | 56 | 66.6 | M14*1.5 |
| Mercedes M-Class (W166) ML 350 4-matic | 2013 | 255/55R18 | 8 | 18 | 5×112 | 56 | 66.6 | M14*1.5 |
| Mercedes M-Class (W166) ML 350 BlueTEC 4-matic | 2013 | 255/55R18 | 8 | 18 | 5×112 | 56 | 66.6 | M14*1.5 |
| Mercedes M-Class (W166) ML 400 4-matic | 2013 | 255/55R18 | 8 | 18 | 5×112 | 56 | 66.6 | M14*1.5 |
| Mercedes M-Class (W166) ML 500 4-matic | 2013 | 255/55R18 | 8 | 18 | 5×112 | 56 | 66.6 | M14*1.5 |
| Mercedes M-Class (W166) ML 63 AMG 4-matic | 2013 | 265/40R21 | 9 | 21 | 5×112 | 60 | 66.6 | M14*1.5 |
| Mercedes M-Class (W166) ML 250 CDI / BlueTEC 4-matic | 2012 | 255/55R18 | 8 | 18 | 5×112 | 56 | 66.6 | M14*1.5 |
| Mercedes M-Class (W166) ML 350 4-matic | 2012 | 255/55R18 | 8 | 18 | 5×112 | 56 | 66.6 | M14*1.5 |
| Mercedes M-Class (W166) ML 350 BlueTEC 4-matic | 2012 | 255/55R18 | 8 | 18 | 5×112 | 56 | 66.6 | M14*1.5 |
| Mercedes M-Class (W166) ML 500 4-matic | 2012 | 255/55R18 | 8 | 18 | 5×112 | 56 | 66.6 | M14*1.5 |
| Mercedes M-Class (W166) ML 63 AMG 4-matic | 2012 | 265/40R21 | 9 | 21 | 5×112 | 60 | 66.6 | M14*1.5 |
| Mercedes M-Class (W166) ML 250 CDI / BlueTEC 4-matic | 2011 | 255/55R18 | 8 | 18 | 5×112 | 56 | 66.6 | M14*1.5 |
| Mercedes M-Class (W166) ML 350 4-matic | 2011 | 255/55R18 | 8 | 18 | 5×112 | 56 | 66.6 | M14*1.5 |
| Mercedes M-Class (W166) ML 350 BlueTEC 4-matic | 2011 | 255/55R18 | 8 | 18 | 5×112 | 56 | 66.6 | M14*1.5 |
| Mercedes M-Class (W166) ML 63 AMG 4-matic | 2011 | 265/40R21 | 9 | 21 | 5×112 | 60 | 66.6 | M14*1.5 |
FAQ
- What is the common lug pattern for the Mercedes M-Class (W166)?
- The Mercedes M-Class (W166) typically uses a 5 × 112 mm PCD lug pattern.
- What offset (ET) values are used for W166 wheels?
- Offset values generally range from ET34 to ET45 depending on wheel size and configuration.
- Why is center bore important for wheel fitment on the Mercedes M-Class (W166)?
- The center bore, usually 66.6 mm, ensures the wheel centers properly on the hub to maintain balance and alignment.
Tire size calculatorShow
Compare two tire sizes — diameter, speedometer error, and clearance change.
inchmm
| Size 1 | Size 2 | Diff | Diff(%) | |
|---|---|---|---|---|
| Diameter | 25.0" | 25.4" | 0.5" | 1.89% |
| Width | 7.7" | 8.5" | 0.8" | 10.26% |
| Circumference | 78.4" | 79.9" | 1.5" | 1.86% |
| Profile height | 5.0" | 4.2" | -0.7" | -15.08% |
| Turnover per mile | 807 | 793 | 14 | -1.73% |
| Clearance | - | - | +0.2" | - |
25.0"
7.7"
25.5"
8.5"
15"
5.0"
17"
4.2"
Speedometer Error
(First wheel OEM size)
| Reading | 20 mph | 30 mph | 40 mph | 50 mph | 60 mph | 70 mph | 80 mph | 90 mph |
|---|---|---|---|---|---|---|---|---|
| Actual | 20.4 | 30.5 | 40.7 | 50.9 | 61.1 | 71.2 | 81.4 | 91.6 |