# Mechanophilia – a case report of a specific fetishistic disorder

**Authors:** Peter Osvath, Franciska Könczöl, Sándor Fekete, Tamás Tényi

PMC · DOI: 10.3389/fpsyt.2026.1749802 · 2026-02-03

## TL;DR

This case report describes a rare sexual disorder called mechanophilia, where a man was sexually aroused by car fuel filler openings.

## Contribution

The paper presents a unique clinical case of mechanophilia, a rare paraphilia involving vehicles, in a forensic psychiatric context.

## Key findings

- The individual exhibited mechanophilia by performing sexual acts on car fuel filler openings.
- The disorder co-occurred with mild intellectual disability (IQ:66).
- Forensic psychiatric evaluation confirmed a diagnosis of fetishism including mechanophilia.

## Abstract

In our case report, we present a very rare variant of fetishism, mechanophilia, by describing a case from our forensic psychiatric practice. Mechanophilia is a form of fetishism classified as a paraphilia, when a person is sexually aroused by various vehicles, most often cars, less often bicycles or airplanes. We report on the forensic psychiatric examination of a middle-aged man, who opened the fuel filler openings of cars parked in the yard of a car service, then smeared a substance of unknown origin into the tank and then performed a sexual act by placing his genitals in the filling openings. Our examination confirmed a sexual disorder, fetishism (including mechanophilia), which developed in addition to mild intellectual disability (IQ:66) - classified as a paraphilia.

## Full-text entities

- **Diseases:** undifferentiated schizophrenia (MESH:C580334), behavioral deterioration (MESH:D002653), traits (MESH:C567520), sexual orientation disorder (MESH:D016773), Disorders of Adult Personality and Behavior (MESH:D010554), intellectual impairment (MESH:C565406), sexual disorder (MESH:D012734), impulse-control (MESH:D007174), synesthesia (MESH:D000080311), adjustment disorders (MESH:D000275), depressive (MESH:D003866), schizophrenia (MESH:D012559), Paraphilic disorder (MESH:D010262), autism (MESH:D001321), pedophilia (MESH:D010378), attention deficits (MESH:D001289), psychotic (MESH:D011618), addiction (MESH:D019966), irritability (MESH:D001523), Fetishism (MESH:D005329), alcohol-dependent (MESH:D000437), head injury (MESH:D006259), intellectual disability (MESH:D008607), brain injury (MESH:D001930), abnormal (MESH:D000014)
- **Chemicals:** quetiapine (MESH:D000069348), alcohol (MESH:D000438), biperiden (MESH:D001712), chlorprothixene (MESH:D002749), clonazepam (MESH:D002998), olanzapine (MESH:D000077152), benzodiazepines (MESH:D001569), flupentixol (MESH:D005475), haloperidol (MESH:D006220), psychoactive (-), alprazolam (MESH:D000525)
- **Species:** Homo sapiens (human, species) [taxon 9606], Canis lupus familiaris (dog, subspecies) [taxon 9615]

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Source: https://tomesphere.com/paper/PMC12909552