What battery size fits the Mercedes-Benz C-Class Battery & Auxiliary Replacement (W205)?
We typically install the Exide 668P EFB because it matches the OEM spec and handles accessories like fridges and winches.
MERCEDES · 2014 – 2021
Modern Mercedes models use an AGM main battery plus an auxiliary battery for the electronics. Replacements must include coding, IBS reset, and optional auxiliary swap to clear warning lights.
Supported engines
Service area: Alberton, Meyersdal, Brackenhurst, Alrode
Quick answers
We typically install the Exide 668P EFB because it matches the OEM spec and handles accessories like fridges and winches.
Yes. After fitment we register the new battery so the ECU charges it correctly and clears Start/Stop warnings.
Yes. We cover Alberton, Meyersdal, Alrode, and Brackenhurst with mobile callouts, or you can book an in-store slot.
Includes IBS reset, auxiliary battery testing, and code clearing.
Learn moreIf the battery is completely flat, we safely boost and replace on-site.
Learn moreDo Mercedes batteries need coding?
Yes. Every AGM/EFB battery installed in a Mercedes must be registered with the Battery Management System, otherwise charging is incorrect. We include coding in our service.
Do you replace auxiliary batteries?
Yes. We stock auxiliary batteries and can replace them during the same visit to clear the warning.
Not sure which battery you need?