Mercedes-Benz Viano build years & generations
The Mercedes-Benz Viano has one named generation (2003-2014). 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 2003-2004
- Generation
- W639
- Figures from
- cars built before 2005
Counted with every car built before 2005, so much older cars can affect the figures.
Built 2005-2008
- Generation
- W639
- Figures from
- cars built 2005-2008
Counted with this generation only.
Built 2009-2012
- Generation
- W639
- Figures from
- cars built 2009-2012
Counted with this generation only.
Built 2013-2014
- Generation
- W639
- 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 Viano 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
W639 only
These build years are all W639, so the figures are almost all from that generation.
Fail rate at 12 years old (latest age)
25.3%
UK average for cars this age: about 1 in 4 (25.9%)
Ages with data
10 to 12 years old
MOT tests counted
1,833
Chart shows
Age at the MOT
Not the build year
2013-2016
W639 only
These build years are all W639, so the figures are almost all from that generation.
Fail rate at 12 years old (latest age)
25.3%
UK average for cars this age: about 1 in 4 (25.9%)
Ages with data
10 to 12 years old
MOT tests counted
1,833
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 11 years old.
Built2009-2012
W639 only
These build years are all W639, so the figures are almost all from that generation.
Fail rate at 16 years old (latest age)
24.8%
UK average for cars this age: about 3 in 10 (30%)
Ages with data
12 to 16 years old
MOT tests counted
2,317
Chart shows
Age at the MOT
Not the build year
2009-2012
W639 only
These build years are all W639, so the figures are almost all from that generation.
Fail rate at 16 years old (latest age)
24.8%
UK average for cars this age: about 3 in 10 (30%)
Ages with data
12 to 16 years old
MOT tests counted
2,317
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 15 years old.
Built2005-2008
W639 only
These build years are all W639, so the figures are almost all from that generation.
Fail rate at 20 years old (latest age)
26.0%
UK average for cars this age: about 3 in 10 (30.3%)
Ages with data
16 to 20 years old
MOT tests counted
1,971
Chart shows
Age at the MOT
Not the build year
2005-2008
W639 only
These build years are all W639, so the figures are almost all from that generation.
Fail rate at 20 years old (latest age)
26.0%
UK average for cars this age: about 3 in 10 (30.3%)
Ages with data
16 to 20 years old
MOT tests counted
1,971
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 19 years old.
BuiltBefore 2005
W639 only
Counts every car built before 2005, so older cars with the same model name can be included as well as the W639.
Fail rate at 21 years old (latest age)
27.7%
UK average for cars this age: about 3 in 10 (30.2%)
Ages with data
20 to 21 years old
MOT tests counted
285
Chart shows
Age at the MOT
Not the build year
Before 2005
W639 only
Counts every car built before 2005, so older cars with the same model name can be included as well as the W639.
Fail rate at 21 years old (latest age)
27.7%
UK average for cars this age: about 3 in 10 (30.2%)
Ages with data
20 to 21 years old
MOT tests counted
285
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 20 years old.