charging

I have 2 old batteries 60Ah and 100Ah. The battery analyser shows they are 70% and 50% efficient respectively. I charged them then used a pulse repair battery charger on each battery. 8 hours on first day, then 12 hours on each of the following 2 days. The CCA of either battery did not improve...

Hello everyone, Recently purchased the new E300e Hybrid. This morning when I tried to charge my car the following errors came up and I can't charge it. Also, before these errors came up, every morning when I would start the car there would be a weird vibration coming from the engine that I...

I have an electricity tariff that has much reduced cost (around 1/3rd) from 00:30-04:30 I haven't worked out how I can plug in charger cable but delay charging until 00:30? The only option I can find in the car and app is setting an expected departure time, but that doesn't appear to affect...

Hi everyone. First time posting as I’ve recently bought a 2020 CLA 220d. I’ve noticed a few times that when I’m driving the MPG will just suddenly tank. It’ll drop from 60-65 on the motorway to about 30. I’ve also noticed that during these times, the fuel consumption meter won’t read ‘charging’...

Hi folks, Bit of an odd one; I’m getting the “battery convenience functions” warning while I’m sat idling in traffic. It’s happened twice now, and clears within a few minutes once back up to normal driving speeds. Two questions: 1. Is this relating to the little aux battery under the bonnet...

Hi, I am new to this site and I’m a first time Mercedes owner. Yesterday I was bequeathed a 2007 C220 CDI De Elegance Estate. Low mileage and immaculate. After just one day I love how comfortable and cruisey it is. I can only imagine how nice the newer models are. I have put my dash cam in...

I've read that a battery charger can be fitted permanently to the car and just needs plugging-in put the vehicle on charge. I'd like to use a portable 5 amp charger on my s211 wagon, which is continually losing charge due to lack of use, but the charger instructions insist that the battery must...