How long does an MPU take?

An MPU typically takes between 2 and 4 hours. The exact duration depends on the reason for the assessment. Alcohol-related MPUs may take somewhat longer than points-related MPUs, as additional medical tests are conducted.

Can you pass the MPU without preparation?

Theoretically, it is possible to pass the MPU without professional preparation. However, the failure rate is approximately 35–40%. With targeted preparation, the pass rate increases significantly to over 90%. We therefore strongly recommend thorough preparation.

What happens if I don't pass the MPU?

If you do not pass the MPU, you will receive a negative assessment. You can retake the MPU as many times as needed, though each attempt incurs additional costs. It is advisable to analyze the reasons after a negative assessment and prepare specifically for the weak points.

When is the best time to start preparing?

Ideally, you should begin preparation 3 to 6 months before your MPU appointment. For abstinence-related cases, an earlier start may be advisable, as abstinence documentation must be maintained over a longer period (6 or 12 months).

What documents do I need for the MPU?

For the MPU, you typically need: a valid ID card or passport, the MPU referral from the driver's license authority, abstinence documentation if applicable (urine or hair analyses), traffic psychology participation certificates, and possibly medical certificates.

Can I choose the assessment center myself?

Yes, you can freely choose the assessment center, provided it is accredited by the Federal Highway Research Institute (BASt). The most well-known centers include TÜV, DEKRA, AVUS, IBBK, and pima-mpu. The choice of center has no influence on the evaluation criteria.

MPU Knowledge

MPU Process: How the Medical-Psychological Assessment Works

The MPU — colloquially often referred to as the "idiot test" — is a standardized assessment of your fitness to drive. Here you will learn everything about the process, the three main components, and how to prepare optimally.

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01MPU Knowledge

What is an MPU?

The MPU (Medizinisch-Psychologische Untersuchung / Medical-Psychological Assessment) is an expert evaluation that assesses a person's fitness to drive. It is conducted by officially accredited assessment centers when the driver's license authority has doubts about driving fitness. The assessment serves road safety and helps those affected reflect on and change their behavior.

The MPU is not a punishment but an opportunity: it gives you the chance to demonstrate that you have addressed your past and will participate responsibly in road traffic in the future. In Germany, approximately 90,000 people are required to undergo an MPU each year.

The assessment is always conducted by an experienced traffic psychologist and a physician. Both are obligated to remain neutral and evaluate your driving fitness based on scientifically founded criteria. The result is documented in a written report, which you forward to the driver's license authority.

When is an MPU ordered?

The driver's license authority can order an MPU in various situations. The most common reasons are:

Alcohol in road traffic

An MPU is ordered when a blood alcohol concentration (BAC) of 1.6 per mille or higher is detected, or in cases of repeated drunk driving offenses starting at 0.5 per mille. Even with a BAC between 1.1 and 1.6 per mille, the driver's license authority may require an MPU.

Drug use

Any detection of illegal drugs in connection with road traffic generally leads to an MPU order. Even the possession of controlled substances can be sufficient.

Points in Flensburg (traffic violation registry)

Upon reaching 8 points in the Fahreignungsregister (driving fitness register in Flensburg), the driver's license is revoked. An MPU is required for reissue.

Criminal offenses related to road traffic

For serious traffic offenses, aggressive behavior in road traffic, or criminal convictions, an MPU may be ordered.

Medication misuse

If there is suspicion that prescription medication is impairing driving fitness, an MPU may be required.

The process

The three parts of the MPU

Every MPU consists of three main components that together provide a comprehensive picture of your driving fitness.

1. Medical examination

The medical part includes a general physical examination. The physician checks your health status and, if necessary, takes blood or urine samples to analyze for alcohol or drug residues.

General physical examination
Blood draw and liver function values
Urine drug screening
Reflex and coordination checks
Medical history interview

2. Psychological interview

The core of the MPU is the psychological interview with a traffic psychologist. The focus is on whether you have addressed your past and can demonstrate stable behavioral changes.

Analysis of background and offenses
Self-assessment and capacity for reflection
Evidence of behavioral change
Future prognosis and relapse prevention
Presentation of concrete strategies

3. Performance test (reaction test)

In the computer-based performance test, your reaction ability, concentration, and resilience are assessed. The tests simulate typical traffic situations.

Reaction time to visual and auditory stimuli
Concentration and attention test
Perceptual speed
Performance under time pressure
If results are poor: a driving behavior observation may follow

How long does the MPU take?

The entire MPU assessment typically takes between 2 and 4 hours. However, plan for half a day as there may be waiting times. The individual components have different durations:

Medical examination

approx. 30 min.

Psychological interview

approx. 60–90 min.

Performance test

approx. 20–30 min.

After the assessment, you will typically receive the written report within 2 to 4 weeks. The report is sent directly to you. You decide whether to forward it to the driver's license authority.

Tips for preparing for the MPU

Thorough preparation is the most important factor for a successful MPU. Here are our key recommendations:

Start early

Begin your preparation at least 3 to 6 months before your MPU appointment. Especially for abstinence programs, an early start is crucial, as documentation must be maintained over 6 or 12 months.

Seek professional help

An experienced MPU consultant knows the assessors' requirements and can help you prepare in a targeted manner. In a free initial consultation, you can get to know us and discuss your situation.

Honest self-reflection

Assessors immediately notice when memorized answers are being recited. A genuine examination of your own behavior is essential. Ask yourself: What were the true reasons for my behavior?

Start abstinence documentation early

If abstinence documentation is required, begin the abstinence program early. Complete documentation over the required period is indispensable for a positive assessment.

Implement concrete changes in daily life

Assessors want to see that you have sustainably changed your behavior. Document concrete measures such as attending a support group, new leisure activities, or stress management strategies.

Simulate the MPU situation

Practice the psychological interview in a realistic simulation. This helps you gain confidence and appear calm and convincing in the actual interview.

FAQ

Frequently asked questions about the MPU process

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