Cannot open Mercedes car door with dead car battery

SOURCE: dead battery mercedes 03 e320

hi, if you jack up the car at the front you can power up enough voltage via jump leads red to starter motor and black to earth, hope this helps you, cheers

SOURCE: mercedes/dead battery can't open trunk help

There should be a positive charging post under the hood. Hook up jumper cables to this post for positive and the engine for ground. Then get in the car and pop the trunk with the trunk release button.

gord storey

• 477 Answers
• Posted on Jun 04, 2009

SOURCE: MY WILL NOT START THE CAR C240 MERCEDES BATTERY IS NOT DEAD

I am assuming that the engine won't even turn over. could be lots of different things. The simplist is to make sure the car in in PARK , won't start if not. Other things could be , Security imobilizer if you have one. Does your key have a electronic chip in it ? Try your other set of keys if you have one. Check if battery connections are clean and tight.

SOURCE: battery is dead and can't open the trunk, even manually

Starter motor on this car is imposible to get to..better find the post forward of the drivers side fuse box in the engine compartment where a bunch of wires come together. This is a positive terminal attach red jumper here put the negative jumper on any bare metal bracket of the engine

SOURCE: have mercedes E class key fob will not open doors,

If key will not turn
Car battery flat,charge or jump to activate elec ignition