What is the typical lug pattern for the Mercedes GL-Class (X166)?

The Mercedes GL-Class (X166) usually has a 5 × 130 mm lug pattern.

Why is offset (ET) important for wheel fitment on the GL-Class (X166)?

Offset affects how the wheel sits relative to the suspension and fenders, impacting fitment, handling, and clearance.

Can I use wheels with a different center bore on the GL-Class (X166)?

Wheels with a larger center bore can often be fitted using hub-centric rings, but smaller bores are incompatible.

Mercedes GL-Class (X166) Wheel Lug Pattern, Offset & Center Bore Reference

The Mercedes GL-Class (X166), produced from 2012 to 2019, features specific wheel lug patterns and mounting specifications essential for proper wheel fitment. The standard lug pattern for this model is typically 5 × 130 mm PCD, paired with a center bore of 74.1 mm. Offset (ET) values generally range between ET35 and ET45, depending on rim size and design.\n\nRim sizes for the GL-Class (X166) vary from 18 inches up to 22 inches diameter, with widths adapting to optimize tire fitment and vehicle performance. Understanding the exact bolt lug pattern, center bore, and offset is critical when selecting aftermarket wheels to maintain safety, handling, and aesthetics.\n\nOur year-sorted catalog details the wheel mounting specs for various model years of the Mercedes GL-Class (X166). This ensures buyers and installers can verify the correct PCD, lug count, offset, and center bore to achieve perfect compatibility and avoid fitment issues.

Year

Make / model / trim	Year	Tire	Rim width (in)	Rim diam. (in)	Bolt pattern	Offset ET	Bore DIA	Mounting
Mercedes GL-Class (X166) GL 350 CDI / BlueTec 4-matic	2019	265/60R18	8	18	5×112	56	66.6	M14*1,5
Mercedes GL-Class (X166) GL 500 4-matic	2019	265/55R19	8.5	19	5×112	62	66.6	M14*1,5
Mercedes GL-Class (X166) GL 63 AMG 4-matic	2019	275/45R20	8.5	20	5×112	62	66.6	M14*1,5
Mercedes GL-Class (X166) GL 350 CDI / BlueTec 4-matic	2018	265/60R18	8	18	5×112	56	66.6	M14*1,5
Mercedes GL-Class (X166) GL 500 4-matic	2018	265/55R19	8.5	19	5×112	62	66.6	M14*1,5
Mercedes GL-Class (X166) GL 63 AMG 4-matic	2018	275/45R20	8.5	20	5×112	62	66.6	M14*1,5
Mercedes GL-Class (X166) GL 350 CDI / BlueTec 4-matic	2017	265/60R18	8	18	5×112	56	66.6	M14*1,5
Mercedes GL-Class (X166) GL 500 4-matic	2017	265/55R19	8.5	19	5×112	62	66.6	M14*1,5
Mercedes GL-Class (X166) GL 63 AMG 4-matic	2017	275/45R20	8.5	20	5×112	62	66.6	M14*1,5
Mercedes GL-Class (X166) GL 350 CDI / BlueTec 4-matic	2016	265/60R18	8	18	5×112	56	66.6	M14*1,5
Mercedes GL-Class (X166) GL 500 4-matic	2016	265/55R19	8.5	19	5×112	62	66.6	M14*1,5
Mercedes GL-Class (X166) GL 63 AMG 4-matic	2016	275/45R20	8.5	20	5×112	62	66.6	M14*1,5
Mercedes GL-Class (X166) GL 350 CDI / BlueTec 4-matic	2015	265/60R18	8	18	5×112	56	66.6	M14*1,5
Mercedes GL-Class (X166) GL 500 4-matic	2015	265/55R19	8.5	19	5×112	62	66.6	M14*1,5
Mercedes GL-Class (X166) GL 63 AMG 4-matic	2015	275/45R20	8.5	20	5×112	62	66.6	M14*1,5
Mercedes GL-Class (X166) GL 350 CDI / BlueTec 4-matic	2014	265/60R18	8	18	5×112	56	66.6	M14*1,5
Mercedes GL-Class (X166) GL 500 4-matic	2014	265/55R19	8.5	19	5×112	62	66.6	M14*1,5
Mercedes GL-Class (X166) GL 63 AMG 4-matic	2014	275/45R20	8.5	20	5×112	62	66.6	M14*1,5
Mercedes GL-Class (X166) GL 350 CDI / BlueTec 4-matic	2013	265/60R18	8	18	5×112	56	66.6	M14*1,5
Mercedes GL-Class (X166) GL 500 4-matic	2013	265/55R19	8.5	19	5×112	62	66.6	M14*1,5
Mercedes GL-Class (X166) GL 63 AMG 4-matic	2013	275/45R20	8.5	20	5×112	62	66.6	M14*1,5
Mercedes GL-Class (X166) GL 350 CDI / BlueTec 4-matic	2012	265/60R18	8	18	5×112	56	66.6	M14*1,5
Mercedes GL-Class (X166) GL 500 4-matic	2012	265/55R19	8.5	19	5×112	62	66.6	M14*1,5
Mercedes GL-Class (X166) GL 63 AMG 4-matic	2012	275/45R20	8.5	20	5×112	62	66.6	M14*1,5

FAQ

What is the typical lug pattern for the Mercedes GL-Class (X166)?: The Mercedes GL-Class (X166) usually has a 5 × 130 mm lug pattern.
Why is offset (ET) important for wheel fitment on the GL-Class (X166)?: Offset affects how the wheel sits relative to the suspension and fenders, impacting fitment, handling, and clearance.
Can I use wheels with a different center bore on the GL-Class (X166)?: Wheels with a larger center bore can often be fitted using hub-centric rings, but smaller bores are incompatible.

Tire size calculatorShow

Compare two tire sizes — diameter, speedometer error, and clearance change.

WidthHeightRadius

inch

	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