Mercedes-Benz GL build years & generations
The Mercedes-Benz GL spans several build years and named generations (2006-2015). Match a build year to its generation, then see how each group of build years does at its MOT.
Which year is which
Build years & generations, side by side
Find the build years you're looking at and see which generation they are. You'll also see which group of build years the MOT figures come from.
Built 2006-2008
- Generation
- X164 (1st gen)
- Figures from
- cars built 2005-2008
Counted with this generation only.
Built 2009-2012
- Generation
- X164 (1st gen)
- Figures from
- cars built 2009-2012
Counted with this generation only.
Built 2013-2015
- Generation
- X166 (2nd gen)
- Figures from
- cars built 2013-2016
Counted with this generation only.
“Figures from” is the group of build years behind each card's MOT figures. Years where one generation gave way to the next can sit in a wider group until there's enough history to split them.
By build-year group
How each group of build years performs
Each card shows MOT results for one group of Mercedes-Benz GL build years. “Age” means the car's age on the day of its MOT, not its build year. “25+” groups every test on cars aged 25 or older.
Built2013-2016
X166 (2nd gen) only
These build years are all X166 (2nd gen), so the figures are almost all from that generation.
Fail rate at 12 years old (latest age)
14.2%
UK average for cars this age: about 1 in 4 (25.9%)
Ages with data
9 to 12 years old
MOT tests counted
2,102
Chart shows
Age at the MOT
Not the build year
2013-2016
X166 (2nd gen) only
These build years are all X166 (2nd gen), so the figures are almost all from that generation.
Fail rate at 12 years old (latest age)
14.2%
UK average for cars this age: about 1 in 4 (25.9%)
Ages with data
9 to 12 years old
MOT tests counted
2,102
Chart shows
Age at the MOT
Not the build year
Fail rate is the share of MOT tests that ended in a fail. Retests count as tests. How we count fail rates Highest fail rate at 12 years old.
Built2009-2012
X164 (1st gen) only
These build years are all X164 (1st gen), so the figures are almost all from that generation.
Fail rate at 16 years old (latest age)
21.1%
UK average for cars this age: about 3 in 10 (30%)
Ages with data
13 to 16 years old
MOT tests counted
778
Chart shows
Age at the MOT
Not the build year
2009-2012
X164 (1st gen) only
These build years are all X164 (1st gen), so the figures are almost all from that generation.
Fail rate at 16 years old (latest age)
21.1%
UK average for cars this age: about 3 in 10 (30%)
Ages with data
13 to 16 years old
MOT tests counted
778
Chart shows
Age at the MOT
Not the build year
Fail rate is the share of MOT tests that ended in a fail. Retests count as tests. How we count fail rates Highest fail rate at 16 years old.
Built2005-2008
X164 (1st gen) only
These build years are all X164 (1st gen), so the figures are almost all from that generation.
Fail rate at 18 years old (latest age)
19.8%
UK average for cars this age: about 3 in 10 (30.8%)
Ages with data
16 to 18 years old
MOT tests counted
731
Chart shows
Age at the MOT
Not the build year
2005-2008
X164 (1st gen) only
These build years are all X164 (1st gen), so the figures are almost all from that generation.
Fail rate at 18 years old (latest age)
19.8%
UK average for cars this age: about 3 in 10 (30.8%)
Ages with data
16 to 18 years old
MOT tests counted
731
Chart shows
Age at the MOT
Not the build year
Fail rate is the share of MOT tests that ended in a fail. Retests count as tests. How we count fail rates Highest fail rate at 17 years old.