Mercedes-Benz MBN LV 148 Company Standard Date published: 2013-11 Supersedes: MBN LV 148 2012-03 Transition period: 0 months Total no. of pages: 1 and 54 pages LV 148 Person in charge: Dr. Thomas Dorsam E-mail: [email protected] Plant: 059; Dept.: RD/EKS Date of translation: 2013-12 Phone: +49 151 586 099 50 Electric and Electronic Components in Motor Vehicles - 48V On-Board Electrical System Requirements and Test Conditions Foreword tives of the automotive manufacturers AUDI AG, BMW AG, Daimler AG, Porsche AG and Volkswagen If in individual cases modifications to individual test sections are required, such modifications shall be Within the framework of common development projects of the automotive manufacturers, test reports will cordance with DIN EN ISO/IEC 17025. Approval does not automatically follow from acceptance of the test reports. Other test reports may be recognized at the discretion of the customer. The contents of LV 148 edition 2013-07 have been adopted unchanged into the set of standards of Mer- cedes-Benz. AK-LV documents cited in this MBN LV are usually adopted into the set of Mercedes-Benz standards as MBN LV documents with identical number. Application note: this scope, for which no concept/basic specifications or component requirement specifications have been approved yet at the date of issue of this version The respective contract documents regulate the mandatory application of the present version of this Standard by the supplier. General requirements For safety requirements, homologation (in particular, exhaust emissions) and quality, the existing statutory requirements and laws shall be complied with. In addition, the relevant requirements of the Daimler Group apply. All materials, procedures, processes, components, and systems shall conform to the current regulatory Changes In comparison with edition MBN LV 148 2012-03, the following changes have been made: see page 2 of LV 148 NOTE: This translation is for information purposes only. The German version shall prevail above all others. Copyright Daimler AG 2013 LV 148 lssue: 2013-07 Electric and Electronic Components in Motor Vehicles 48-V Electric System Requirements and Tests Preface This Supply Specification (LV) in the present issue was developed by representatives of working group (AK) 4.14, team (AG) 1, "14-V/48-V electric system and electric energy management." This LV is stored as an MS Word file in the Audi AG Standards department. No claim is made as to its completeness. The automobile manufacturers are entitled to require additional tests corresponding to the relevant state-of-the-art at any time. Since the individual automobile manufacturers may make changes if necessary, only the automobile manufacturers' in-house standards that are based on this LV must be used. Deviations from this LV are listed in the in-house standards on the cover sheet (in justified exceptional cases, deviations can be presented in italics in the text of the standard). If modifications of individual test sections are required in individual cases, these modifications must be agreed upon separately between the appropriate departments of the automobile manufacturer and of the supplier. For general development projects of the automobile manufacturers, test reports will be accepted as long as the tests were performed by an independent institute that is accredited as per Other test reports may be accepted at the discretion of the purchaser. Page 1 of 54 Page 2 LV 148 (2013-07) Dates of versions and revision record Date Section Brief description Responsible 2011-08-29 All New issue Mr. Radon (on behalf of AK 4.14, AG 1) 2.1 2013-07-18 Revised/updated Mr. Radon 2.3.2 Fig. 1 revised/updated (on behalf of AK 4.14, 2.3.2 Storage protection voltage range updated AG 1) 2.3.3 Revised/updated 2.5 Revised/updated 3.1.1 Revised/updated 3.1.2 Tab. 7 revised/updated 3.1.2 Fig. 3 added 3.1.3 Revised/updated 3.2 E48-01b Overvoltage in ... 3.2.1 Revised/updated 3.2.2 Fig. 4 revised/