Auxiliary Power Battery for Mercedes Benz CDI / BlueTEC Models 12V 1.2AH

Auxiliary Power Battery for most Mercedes Benz CDI / BlueTEC Models other than W211 E Class. 

The Auxiliary Battery was designed for more than performance; it is completely spill proof,  low maintenance and lasts longer.

The Auxiliary Battery protects your vehicle's sensitive electrical components during engine starts and stabilizes vehicle power supply when vehicle is running

Failed auxiliary battery will cause certain electrical systems to not function while driving and your Mercedes to display the error message "auxiliary battery malfunction" or "stop vehicle shift to P leave engine running"

W164 X164 W251 X204 W212 W221 etc

Compatible Mercedes-Benz Vehicles 2024 Sprinter 2500 / 3500 / 3500 XD 2.0L L4 Diesel – Base 2023 EQB 250 Electric – Base EQB 300 / EQB 350 Electric – 4Matic® Sprinter 3500 XD 2.0L L4 Diesel – Base 2022 A 35 AMG® 2.0L L4 Gas – 4Matic® EQB 300 / EQB 350 Electric – 4Matic® 2019–2017 GLE 43 AMG® 3.0L V6 Gas – 4Matic® GLE 63 AMG® / GLE 63 AMG® S 5.5L V8 Gas – 4Matic® GLS 550 4.6L V8 Gas – 4Matic® Metris 2.0L L4 Gas – Base (2017 only) 2016–2015 GL 550 4.6L V8 Gas – 4Matic® GLE 63 AMG® / GLE 63 AMG® S 5.5L V8 Gas – 4Matic® Metris 2.0L L4 Gas – Base (2016 only) 2014–2010 E-Class (E250, E350, E550, E63 AMG®) 1.8L–5.5L engines (Gas/Diesel/Electric) – various trims including Avantgarde, Bluetec, Base, 4Matic®, Convertible, Coupe, Sedan, Wagon CL-Class (CL550, CL600, CL63 AMG®, CL65 AMG®) 4.6L–6.0L engines (Gas) – Coupe CLS-Class (CLS550, CLS63 AMG®, CLS63 AMG® S) 4.6L–5.5L V8 Gas – Sedan/Wagon – 4Matic®, Base G-Class (G63 AMG®) 5.5L V8 Gas – Sport Utility – Base GL-Class (GL350, GL450, GL550, GL63 AMG®) 3.0L–5.5L engines (Gas/Diesel) – Sport Utility – Base, 4Matic® GLK-Class (GLK250, GLK350) 2.1L–3.5L L4/V6 – Gas/Diesel – Sport Utility – Base, 4Matic® ML-Class (ML350, ML450, ML550, ML63 AMG®) 3.0L–5.5L engines (Gas/Diesel/Electric) – Sport Utility – Base, Bluetec, 4Matic® R-Class (R350) 3.0L–3.5L engines (Gas/Diesel) – Wagon – Base, Bluetec, 4Matic® S-Class (S400, S550, S600, S63 AMG®, S65 AMG®) 3.5L–6.0L V6/V8/V12 (Gas/Electric) – Sedan – Base, 4Matic®, Hybrid CLA-Class (CLA250, CLA45 AMG®) 2.0L L4 Gas/Flex – Sedan – Base, 4Matic® 2009–2007 GL 450 4.6L V8 Gas – Base