Known APK problem

Mercedes-Benz A-Klasse W177: brakes

On the Mercedes-Benz A-Klasse W177 the APK inspector finds brakes problems 90% more often than on cars of the same age: at 7–8 years 4.8%, against about 2.5% nationally.

Illustration Mercedes-Benz A-Klasse W177

Window: Oct 2025 – Sep 2026 · Updated: 16 Oct 2026

What is it?

Worn or rusted brake discs and pads, or uneven braking.

Repair indication: mediuma targeted repair at the garage.

How to check it at the viewing

Look through the wheel at the discs: no deep grooves or thick rust edge. Brake firmly on the test drive: the car should stay straight.

Ask the seller: When were the brake discs and pads last replaced?

By age

Share of inspected Mercedes-Benz A-Klasse W177s with this defect, compared with all cars of the same age.

Age	Type	A-Klasse W177	95%-CI	National	Difference	n
3 – 4 years	B	0.2%	0.1 – 0.4%	0.7%	0.3×	3,428
3 – 4 years	C	1.2%	0.9 – 1.6%	0.7%	1.6×	3,428
5 – 6 years	A	0.3%	0.2 – 0.5%	0.7%	0.4×	6,609
5 – 6 years	B	0.8%	0.6 – 1.0%	1.1%	0.7×	6,609
5 – 6 years	C	3.4%	3.0 – 3.9%	1.8%	1.9×	6,609
7 – 8 years	A	0.2%	0.1 – 0.5%	1.0%	0.2×	2,703
7 – 8 years	B	1.1%	0.8 – 1.6%	1.4%	0.8×	2,703
7 – 8 years	C	4.8%	4.1 – 5.7%	2.5%	1.9×	2,703

A = structure, safety or costly mechanics; B = fail, usually simple; C = advisory. An age is missing when this defect is not among the most common there.

Comparable cars at 7–8 years

Model	Brakes	Vs. national
Mercedes-Benz A-Klasse W177	4.8%	1.9×
BMW 1-serie F20	0.7%	0.6×
Toyota Auris II	1.7%	1.4×
Peugeot 308 II	1.3%	1.1×
SEAT Leon III	0.6%	0.5×
Toyota Corolla XII (E21)	1.0%	0.7×

Looking at a Mercedes-Benz A-Klasse W177? Check that car

Enter the plate and see the APK history, open recalls and how this car compares with other Mercedes-Benz A-Klasse W177s of the same age.

All weak spots of the Mercedes-Benz A-Klasse W177 · Brakes: which models more often · Checklist for this model

Frequently asked questions

Does the Mercedes-Benz A-Klasse W177 often have brakes problems?

Yes, more often than average at the APK. At 7–8 years the inspector found a brakes defect on 4.8% of inspected Mercedes-Benz A-Klasse W177s, against about 2.5% of all cars of the same age (1.9×). Source: RDW Open Data, Oct 2025 – Sep 2026.

How do you check the brakes on a used Mercedes-Benz A-Klasse W177?

Look through the wheel at the discs: no deep grooves or thick rust edge. Brake firmly on the test drive: the car should stay straight.

Repair indication: small, medium or large. An indication of the usual repair, not a quote: the real cost depends on the car, the cause and the garage.

Source: RDW Open Data (CC0), analysis CarXray.nl. 6,857,004 inspected passenger cars aged 3 years and older, Oct 2025 – Sep 2026. Each car counts once. How we know