SUMMARY

The Marderschreck Auto of the brand Heimwert has convinced with a very good score impressively. Thus, the test product has qualified for our Qualitätssiegel.de seal of approval qualified and was ultimately rated with the final grade 1.2.

Short product info:

The Marderschreck Auto from Heimwert offers effective protection against marten damage through innovative flash and ultrasound technology, without the need to use additional sprays.

This product was submitted to us for testing: Link to the product on Amazon

About the test:
We conduct our product tests according to a transparent and coherent evaluation system. For example, points such as packaging, functionality, quality, customer reviews, or the price-performance ratio are included in the final grade.
The maximum possible number of points per area is 100 points.
Evaluation will take place in the following areas:

1. The packaging
2. The first impression
3. The Practical test
4. The price-performance ratio

Furthermore, the evaluation also includes the available product reviews and customer experiences for the product.

Important to know: 
When awarding our quality seal.de test seal, we evaluate the quality of the test product not in comparison with other products available on the market, but in comparison with our standardized quality seal.de test standard!
You can find more details about the test criteria here.

Below is our detailed test report on the product.

QUALITY SEAL.DE TEST REPORT

Product: Marderschreck Auto
Brand: Heimwert
Tested: 07.08.2025
QS-Code: 58994229

1. THE PACKAGING

In the outer packaging made of cardboard was the marten repellent car.
The additional inner packaging consists of plastic.

We found the sustainability of the packaging to be good..

The product was very well protected by the packaging.

The brand name, address, and a contact option as well as the barcode are clearly displayed on the outer packaging.

2. THE FIRST IMPRESSION

No bad smell was detected when unpacking the product.

The marten deterrent car is delivered without accessories. A user manual is included. An installation guide is included.

3. THE PRACTICAL TEST

The product was developed to effectively keep martens away from vehicles and avoid costly damage. 
The marten deterrent car fulfills this purpose excellently.

Below we briefly explain the functionality of the test product:
The most important function of the product is the effective marten deterrence through the combination of extremely bright flashlights and automatically changing ultrasonic frequencies, which have a high success rate in scaring away martens 

The test report on the marten deterrent comprehensively tested the quality features of functionality, durability, and user-friendliness.
The defense function works reliably and demonstrably keeps martens away from the vehicle.
The ease of installation is also convincing, as installation in the engine compartment is straightforward and does not require specialized knowledge, supported by clear instructions and included mounting materials.
The power supply and energy consumption are efficient; the device can be connected to the car battery and has low consumption in both standby and operating modes.
The weather resistance and robustness ensure safe use in moisture, heat, and temperature fluctuations.
Ultimately, the device remains unobtrusive in its noise development, as the ultrasonic tones are inaudible to humans and do not disturb everyday life. Overall, the marten deterrent shows very good results in all tested areas.

The tested quality features meet the established requirements of quality testing.

We found it particularly outstanding

• • High-frequency LED strobe light flashes for effective marten deterrence throughout the engine compartment

  • Variable ultrasonic warning tones prevent animals from getting used to them

The product has a clear benefit and thus offers the user among other things the following advantages:

• • Protects vehicles even with a warm engine and causes martens to flee immediately

  • Flexible 3-way power supply: car battery, USB connection, or AA batteries/rechargeable batteries

  • Simple and quick installation with the included mounting materials and user manual

The Marderschreck Auto can be very well used.
Our testers found no risk of injury from sharp edges or protruding parts with proper use.

4. THE PRICE-PERFORMANCE RATIO

On the trading platform Amazon, the Marderschreck Auto of the brand Heimwert can be ordered for 34.97 €.

Thus, this product is in the mid-range price segment, as there are already other marten repellent devices available from €19.99.

26 Customers rated the product on average with 4.5 Stars.