Mercedes Benz C300 Battery Problems

In many new mercedes models the auxiliary battery is located at the top of the front passenger footwell.

Mercedes benz c300 battery problems.

Mercedes won t start and it s not the battery. Eis steering lock battery fail. The dealer has told me that water is getting into the wire leading to the control box. Battery dead problem of the 2009 mercedes benz c300 1.

Pull that fuse for a while whenever you leave your car and popping it back in when you drive to see if that solves your problem. The loss of all electrical supply leaves the vehicle immobile without warning indicators and cannot be moved. I purchased a new mercedes benz c350e in march. A defective electrical system control unit or a fault on the can bus controller area network are also causes that can cause your mercedes battery battery to die.

Starter circuit ignition eis fuel pump. You will need to remove some nearby plastic mouldings and peel back the carpet to gain access to the battery area and the fastenings can be undone with a 10mm socket. See all problems of the 2009 mercedes benz c300. This is a known fault and mercedes benz has modified the cable and control box fitted to the car.

August 25 2019 a mercedes benz c class recall has been issued for about 28 400 model year 2018 2019 c300 c300 4matic and c43 amg 4matic vehicles to repair problems with the batteries. Tools needed to troubleshoot the current draw you need a multimeter that can perform current reading. Although the 2015 mercedes benz c300 has the most. Check fuses and relays.

I was told that mercedes benz has had a fair amount of problems with their amplifiers causing problems with power drains for a while. You would want to check fuses for systems such as. There could be more circuits that impact the starting depending on the model. But many of the c class vehicles have them.

Here are total complaints by model year for the mercedes benz c300. You should also disconnect the main battery before attempting the work. Within a couple of months i experienced problems charging the hybrid battery. The 2017 mercedes benz c300 vehicle suffered a complete loss of power electrics while in motion at speed and in traffic causing the vehicle to unexpectedly stop on two separate occasions.

Battery very slowly goes down. Overall the worst problem category is mercedes benz c300 electrical problems.