Known APK problem

Mercedes-Benz A-Klasse W176: brake lines

On the Mercedes-Benz A-Klasse W176 the APK inspector finds brake lines problems 2.2× as often as on cars of the same age: at 13–15 years 1.3%, against about 0.6% nationally.

Illustration Mercedes-Benz A-Klasse W176

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

What is it?

Rusty or leaking brake lines. An A-problem at the APK because braking is at risk.

Repair indication: mediuma targeted repair at the garage.

How to check it at the viewing

Use a torch to look along the lines near the wheels and rear axle: no thick rust or wet spots.

Ask the seller: Have the brake lines ever been (partly) replaced?

By age

Share of inspected Mercedes-Benz A-Klasse W176s with this defect, compared with all cars of the same age.

AgeTypeA-Klasse W17695%-CINationalDifferencen
7 – 8 yearsA0.3%0.2 – 0.6%0.0%8.5×3,721
9 – 10 yearsA0.6%0.4 – 0.8%0.1%5.4×5,818
9 – 10 yearsB0.3%0.2 – 0.4%0.1%3.1×5,818
11 – 12 yearsA0.9%0.7 – 1.1%0.3%3.5×6,207
13 – 15 yearsA1.3%0.9 – 1.8%0.6%2.2×2,245
13 – 15 yearsB0.2%0.1 – 0.5%0.2%1.1×2,245

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.

Looking at a Mercedes-Benz A-Klasse W176? Check that car

Enter the plate and see the APK history, open recalls and how this car compares with other Mercedes-Benz A-Klasse W176s of the same age.

All weak spots of the Mercedes-Benz A-Klasse W176 · Brake lines: which models more often · Checklist for this model

Frequently asked questions

Does the Mercedes-Benz A-Klasse W176 often have brake lines problems?

Yes, more often than average at the APK. At 13–15 years the inspector found a brake lines defect on 1.3% of inspected Mercedes-Benz A-Klasse W176s, against about 0.6% of all cars of the same age (2.2×). Source: RDW Open Data, Oct 2025 – Sep 2026.

How do you check the brake lines on a used Mercedes-Benz A-Klasse W176?

Use a torch to look along the lines near the wheels and rear axle: no thick rust or wet spots.

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