ISO 9001:2015 · Certificate 73 100 591
Certificate image (page 1) from TÜV Hessen, valid from 13.07.2026 to 12.07.2029.
Open certificate imageTested. Certified. Documented.
The evidence Kerstner provides in writing.
Trust is good; evidence is better. Here, Kerstner brings together its key quality, testing and partnership credentials: ISO 9001, Mercedes-Benz VanSolution, MAN Certified Van Partner, Cemafroid test reports and ATP-related documents depending on the vehicle configuration.
Quick answers
What supporting documents does Kerstner hold?
Kerstner brings together quality, manufacturer and testing documents for professional refrigerated vehicle projects. ATP-related evidence must always match the specific base vehicle, conversion variant and temperature requirement.
Request supporting documents- Quality
- ISO 9001:2015 certified by TÜV Hessen
- Manufacturers
- Mercedes-Benz VanSolution Partner and MAN Certified Van Partner
- Refrigeration technology
- Cemafroid test report for the Kerstner C106EA
- Project-specific assessment
- Test reports and ATP documents are checked for each vehicle configuration
Original documents and primary sources
Open and check supporting documents directly.
Documents approved for public release can be accessed without a form. We continue to provide test reports not approved for public release for the relevant vehicle configuration.
TÜV-PROFiCERT certificate search
Certificate number 73 100 591 can be checked directly in TÜV Hessen’s official database.
Check with TÜVCemafroid · competent ATP testing body
Official information on the French ATP testing body and the scope of the test reports.
Visit CemafroidNote on Cemafroid reports: Kerstner publishes only reports approved for public release. Reports M1169, T6875 and T7366 remain clearly identified by their report numbers until an approved document URL has been provided.
Kerstner credentials at a glance
Overview
What supporting documents does Kerstner hold?
Quality certificates, technical test reports and manufacturer partnerships — clearly organised by type and scope.
| Supporting document | Issuer / source | Scope | Status |
|---|---|---|---|
| ISO 9001:2015 | TÜV Technische Überwachung Hessen GmbH | Development, manufacture and installation of refrigeration units and insulated bodies for vehicles | valid from 13.07.2026 to 12.07.2029 |
| Mercedes-Benz VanSolution Partner | Mercedes-Benz AG | Bodybuilder partnership for Mercedes-Benz Vans | valid from 01.04.2026 to 01.04.2029 |
| MAN Certified Van Partner | MAN Truck & Bus | Bodybuilder partnership for MAN TGE projects | valid until 01.03.2029 |
| Cemafroid test report M1169 | Cemafroid, Fresnes | Kerstner C106EA refrigeration system, effective refrigeration capacity according to the ATP test procedure | Report dated 23.05.2025 |
| Cemafroid test report T6875 cor.2 | Cemafroid, Fresnes | Insulation conversion 21-F-FFK-1C-2P for compact van models | valid until 25.11.2027 according to the overview |
| Cemafroid test report T7366 cor.1 | Cemafroid, Fresnes | insulated conversion variant 23-FFKP-8T8-1B-OT2 | valid until 27.01.2030 according to the overview |
| Lamberet Group | Lamberet SAS | Corporate group for temperature-controlled transport | active |
| EcoVadis Bronze | EcoVadis | Rating of the French Lamberet company; Kerstner is part of the Lamberet Group | Bronze |
Supporting documents in detail
Documented, without exaggeration.
ISO
ISO 9001:2015
What it means: An internationally recognised quality management system for the development, manufacture and installation of refrigeration units and insulated bodies for vehicles. The renewed certification is valid until 12.07.2029 and is regularly monitored.
What you gain: For procurement teams, fleets and dealers, this identifies Kerstner as an auditable supplier with documented processes.
MB
Mercedes-Benz VanSolution Partner
What it means: Kerstner is recognised as a VanSolution Partner for Mercedes-Benz Vans.
What you gain: For Mercedes-Benz projects, its bodybuilder expertise is officially documented and verifiable by professional customers.
MAN
MAN Certified Van Partner
What it means: Kerstner is documented as a MAN Certified Van Partner for MAN TGE projects.
What you gain: For MAN TGE projects, its bodybuilder expertise is verifiable and officially recognised.
CEM
Cemafroid test report M1169 for the C106EA
What it means: The report documents the effective refrigeration capacity of the Kerstner C106EA refrigeration system according to the ATP test procedure.
What you gain: Refrigeration capacity is supported by an external test report, making it verifiable rather than simply claimed.
ATP
Cemafroid test reports for insulation conversions
What it means: The reports concern the overall heat transfer coefficient of insulated conversion variants.
What you gain: For projects involving ATP requirements, vehicle and conversion configurations can be supported by documented testing.
27 ATP
27 ATP test report combinations
What it means: The overview lists numerous model and test report combinations for vans and conversion variants.
What you gain: Early in the project, Kerstner can check which supporting documents are relevant to the specific vehicle and intended use.
EU
Part of the Lamberet Group
What it means: Kerstner is part of a European group specialising in temperature-controlled transport.
What you gain: Customers benefit from German manufacturing in Groß-Rohrheim with European backing for service, spare parts supply and international projects.
ESG
EcoVadis Bronze for Lamberet France
What it means: As part of the Lamberet Group, Kerstner belongs to a European corporate group with documented sustainability credentials. The EcoVadis Bronze rating applies to the French Lamberet company.
What you gain: For customers with sustainability, supplier or group requirements, membership of a rated corporate group is documented and verifiable.
We provide test reports and supporting documents suited to your specific vehicle project. This gives you the precise documents that match the base vehicle, conversion, refrigeration system and application.
Manufacturer partnerships
Our manufacturer partnerships.
Mercedes-Benz
VanSolution Partner confirmed · valid until 01.04.2029
MAN
MAN Certified Van Partner · valid until 01.03.2029
IVECO
Body solutions for IVECO vans
Stellantis
Body solutions for Citroën, Fiat, Opel and Peugeot
Frequently asked questions
Questions and answers.
What supporting documents does Kerstner hold?
Kerstner is certified to ISO 9001:2015 by TÜV Hessen. Other credentials include Mercedes-Benz VanSolution Partner and MAN Certified Van Partner attestations, as well as Cemafroid test reports for refrigeration technology and insulation conversions.
Does every Kerstner vehicle automatically have ATP documentation?
No. ATP-related evidence always depends on the vehicle, conversion, temperature range and specific configuration. During the project, Kerstner checks which documents are useful or required.
Which refrigeration system is documented in Cemafroid report M1169?
Report M1169 documents the Kerstner C106EA refrigeration system and its effective refrigeration capacity according to the ATP test procedure.
What does Mercedes-Benz VanSolution Partner mean?
The attestation confirms Kerstner as a VanSolution Partner for Mercedes-Benz Vans. This is particularly relevant for professional projects based on Mercedes-Benz vans.
What does MAN Certified Van Partner mean?
The attestation confirms Kerstner as a MAN Certified Van Partner. This is particularly relevant for professional projects based on MAN TGE vans.
Has Kerstner itself been rated by EcoVadis?
No. The EcoVadis Bronze rating applies to Lamberet France, not to a separate Kerstner certification. Kerstner is part of the Lamberet Group.