Side repeaters not working on the Mercedes-Benz A-Class

Side repeaters not working on the Mercedes-Benz A-Class is recorded on 6,859 tests — 0.8% of all its MOT tests, against 0.3% across every car in the data. That is 2.7× the national share.

Is this unusual for this model?

Compared with	What it says
Every car in the data	0.3% of tests record it — this model is 2.7× that share
The 201 models compared	26 of 201, highest first
The model's own record	850,750 tests · every year of the A-Class →

A share of tests is not a probability for your car: it counts every Mercedes-Benz A-Class tested, whatever its mileage, service history and use. The like-for-like comparison on the model page is the fairer number.

Year by year

In 2005, 0.5% of this model's tests recorded it; in 2017, 0.2%. The share has barely moved over that time. Worst year 2011 at 1.9%; best 2017 at 0.2%.

Year	Failures recorded	Tests	Share of tests
2005	104	22,302	0.5%
2006	120	33,792	0.4%
2007	191	46,256	0.4%
2008	265	51,656	0.5%
2009	606	53,114	1.1%
2010	865	46,590	1.9%
2011	762	40,062	1.9%
2012	643	38,356	1.7%
2013	384	107,088	0.4%
2014	618	167,738	0.4%
2015	605	190,660	0.3%
2016	707	266,318	0.3%
2017	674	279,140	0.2%

Years with fewer than 0.2% of tests recording the item are left out: a year with two failures in 400 tests is noise, and this table is not here to make noise look like a trend.

What it costs

A typical UK repair for this item is £5–£25 fitted. It is a job a careful owner can do at home. What the part is, and what to buy →

Prices are typical UK supply-and-fitting estimates, not quotes. What happens if it fails covers the retest rules.

Where this sits

Side repeaters not working: every model, every year → — the item's own page, with the part guide.
Mercedes-Benz A-Class MOT pass rate by year → — the model's whole record, and what else it fails on.
Every Mercedes-Benz model →