Known APK problem
Mercedes-Benz EQC: control arms / ball joints
On the Mercedes-Benz EQC the APK inspector finds control arms / ball joints problems 13.9× as often as on cars of the same age: at 5–6 years 12.0%, against about 0.9% nationally.
Window: Oct 2025 – Sep 2026 · Updated: 16 Oct 2026
What is it?
Worn bushes or ball joints in the suspension.
How to check it at the viewing
Listen for clunks or knocks over speed bumps on the test drive. The car should not wander when braking.
Ask the seller: Have the control arms or ball joints been replaced?
By age
Share of inspected Mercedes-Benz EQCs with this defect, compared with all cars of the same age.
| Age | Type | EQC | National | Difference |
|---|---|---|---|---|
| 3 – 4 years | C | 2.3% | 0.4% | 6.1× |
| 5 – 6 years | A | 3.7% | 0.3% | 11.6× |
| 5 – 6 years | C | 12.0% | 0.9% | 13.9× |
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 5–6 years
| Model | Control arms / ball joints | Vs. national |
|---|---|---|
| Mercedes-Benz EQC | 12.0% | 13.9× |
| Mercedes-Benz GLA H247 | 0.6% | 0.7× |
| BMW X1 E84 | 1.2% | 1.4× |
| Mercedes-Benz GLE V167 | 1.3% | 4.0× |
Looking at a Mercedes-Benz EQC? Check that car
Enter the plate and see the APK history, open recalls and how this car compares with other Mercedes-Benz EQCs of the same age.
All weak spots of the Mercedes-Benz EQC · Control arms / ball joints: which models more often · Checklist for this model
Frequently asked questions
Does the Mercedes-Benz EQC often have control arms / ball joints problems?
Yes, more often than average at the APK. At 5–6 years the inspector found a control arms / ball joints defect on 12.0% of inspected Mercedes-Benz EQCs, against about 0.9% of all cars of the same age (13.9×). Source: RDW Open Data, Oct 2025 – Sep 2026.
How do you check the control arms / ball joints on a used Mercedes-Benz EQC?
Listen for clunks or knocks over speed bumps on the test drive. The car should not wander when braking.
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