![]() I started the engine again and the battery alarm was gone ( No malfunctions). Then I tried the doors again and they were OK. I then gave it some revs for a couple of minutes and when the interior lights, etc came back on I turned off the car. I had to use the metalic key on the driver's door to get into the car – I though I wouldn't be able to start the engine because the interior lights were all off but when I turned the key in the ignition the car started up immediately (as it always did) but the battery alarm message was there ( VISIT WORKSHOP + ELECTRICAL CONSUMER SWITCHED OFF ) and the interior lights, parktronic, etc were all disabled. About a month ago when I left the car parked for a whole week the doors wouldn't even open with the key fob. I only get the battery alarm on the display when I leave the car parked for over a day. Are you sure it's not the large battery in the trunk that is used for the starter? Starting a diesel engine usually requires a high capacity battery (that's why diesel engine batteries are bigger than gasoline engine batteries). I find it hard to believe that the small battery under the hood is used for starting the engine. How can I tell if by battery is the correct one or not?ĭo you know the part numbers for both batteries? With a bit of luck that will solve your problem. Refit main battery in car, reconnect leads and finally disconnect spare battery. Charge main battery on trickle charger for 24 hours.ģ. ![]() Disconnect main battery from leads (it's probably easier to then remove the main battery from the car).ģ. This ensures that when you disconnet the main battery you do not lose any of the car's electrical parameters.Ģ. Using jump leads, connect spare battery to main battery (in the boot) leads. The ideal way requires access to a spare 12V battery and a mains driven trickle charger.ġ. It just means you've got the voltage up above that at which the alarms are reset.īefore you start changing anything I'd suggest you fully charge the main battery. Driving the car until the alarms cancel does not mean you've charged the battery. The Battery/Alternator alarm is probably being triggered by low battery voltage and the car is switching off non-essential circuits to maintain a starting ability. Check these troubleshooting and repair guides for more help on your Mercedes-Benz.I don't claim to be an expert but here's a couple of thoughts. We hope you find the Mercedes-Benz Auxiliary Battery Relay Replacement | K57/2 guide helpful. How to Replace Auxilary Battery Behind Driver’s Seat.How to Replace Auxilary Battery in the Engine Bay.How to Replace Aux Battery Under Front Passenger Seat. ![]() How to Replace Aux Battery on the Side of Dashboard, Driver’s Side.Next, follow one of these guides on how to replace the auxiliary battery on a Mercedes-Benz. How do you replace the Auxiliary Battery on a Mercedes Benz?įirst, you must determine where the auxiliary battery is located on your Mercedes-Benz. This guide only shows how to replace the auxiliary battery relay. Unplug the electrical connector and replace it. Remove the two bolts that hold the auxiliary battery in place. Locate the auxiliary battery relay mounted on the firewall.There are four plastic retainers that will need to be removed before you can remove the plastic trim. Pull up the arm to remove it from the shaft. Next, you need to remove the wiper arms.Open the hood by pulling the release under the dashboard.Guided by voices isolation drills rar, Linda pommier adp, Mynetwatchman. Park the Mercedes-Benz and set the parking brakes. Peta wonosobo semarang, Tips houden van jezelf, 2007 sportster wiring diagram.Mercedes-Benz K57/2 Auxiliary Battery Relay.
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