Premium security for the road ahead.
STS delivers high-performance locking systems tailored to the demanding RV market. Robust durability meets current technology – in seamless OEM solutions for every access point of the vehicle.
Every access point, one supplier
From the body door to storage and garage hatches to the filler cap – our own developments and selected products cover all security-relevant areas of an RV.
Locking Systems
- CubeLine Neo
- Compression Locks
- Push Locks
- Latch Locks – One-Point
- Latch Locks – Two-Point
- Caravan Entry Door Locks
- Motorhome Entry Door Locks
Platforms, not parts
Our latest developments reduce part variety for manufacturers and add comfort for the people who travel in their vehicles.
Smart Control Unit CU2
Access and actuator control for up to eight doors and hatches – opened by vehicle key, app, PIN or keyless-go, with real-time status of every lock and no cloud.
Discover the CU2
CubeLine Neo
The next generation of CubeLine: 1-point and 2-point systems with one handle design, optionally with central locking, locking wedge guide and internal emergency release.
Discover CubeLine Neo
CubeLine
A patented compression latch that became a platform: one handle design and one operating concept for one-point and two-point hatches – optionally with central locking.
Discover CubeLine
Kubus XLe
Two M1 rotary latches secure large rear garages in sync – locked and unlocked by the vehicle's central locking. No key. No cylinder. No compromises.
Discover Kubus XLeMade in Germany – made for manufacturers
As a family-owned supplier, we have focused on one thing for 30 years: locking systems for recreational vehicles.
German engineering
Developed in Velbert near Düsseldorf, protected by patents and proven in European series production.
Built for OEMs
Custom colors, design changes on request and reserved key code ranges for your brand.
One key per vehicle
Every lock – entry door, hatches, garage and filler cap – keyed alike with one cylinder system.
Long-term partner
Part of Glatz-Gruppe, an owner-managed family holding that thinks in generations, not quarters.
Owner-managed. STS USA is owned by Maximilian Glatz, who also leads Glatz-Gruppe, the family holding behind STS. Decisions are made by the owner – not by investors.
Meet the owner
Meet us at the shows
Every year we present our portfolio at Caravan Salon in Düsseldorf, the world's largest trade fair for motorhomes and caravans. In 2026 we also exhibited in Indiana – at the RV Annual Supplier Show in Elkhart and the RV Component Expo in Shipshewana.
In the pressRVBusiness: Europe's market leader in RV locking sets its sights on the U.S.Read our summaryAlways up to date
The RV industry is, quite literally, always on the move. Here is what is new at STS.
STS USA LLC established to serve North American RV manufacturers
STS Oberholz, the German specialist for RV locking systems, has founded its own US company. STS USA LLC brings German engineering and series-proven …
Read article
RVBusiness: Europe's market leader in RV locking sets its sights on the U.S.
Ahead of the Hall of Fame RV Supplier Show in Elkhart, RVBusiness profiled STS Oberholz – its portfolio, its smart locking solution and its first …
Read article
STS exhibits at two North American RV supplier shows
In fall 2026, STS presents its OEM system solutions to the North American RV industry – at the RV Annual Supplier Show in Elkhart and the RV …
Read articleAre you an RV manufacturer or dealer?
Questions, wishes or suggestions? Get in touch – we look forward to discussing your project.