how to you avoid the dead battery after you have a long vacation ?
Thread Starter
Super Member
Joined: Sep 2002
Posts: 636
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From: New Jersey, USA
W211 & Q7
how to you avoid the dead battery after you have a long vacation ?
I am going to have a 2 week vacation soon. How can I avoid a dead battery after I come back from vacation?
Thanks
Thanks
Senior Member
Joined: Dec 2002
Posts: 285
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From: Ohio
2003 E320
If the temperature is above freezing (e.g. in a garage), good battery should remain in working order over 2 week period. If your battery is relatively new, I'd say you have nothing to worry about.
Thread Starter
Super Member
Joined: Sep 2002
Posts: 636
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From: New Jersey, USA
W211 & Q7
wow, one month ?
Dema,
This probably is a good record -- one month. I will consider having longer vacation now.
Both you and Gethen mentioned that it will not be a problem for a new battery but my car battery is getting older after years while my vacation will not be shorter. Is there a long-term solution? I know I can always call MB roadside assistance for replacing a new battery free within my warranty.
which I did it before but I had to drive my car back to the service center to reset settings after replacing a new battery. 
Otto
This probably is a good record -- one month. I will consider having longer vacation now.
Both you and Gethen mentioned that it will not be a problem for a new battery but my car battery is getting older after years while my vacation will not be shorter. Is there a long-term solution? I know I can always call MB roadside assistance for replacing a new battery free within my warranty.
which I did it before but I had to drive my car back to the service center to reset settings after replacing a new battery. Otto
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sl and M-class E320 4Matic SLK350
The answer is trickle charger
I live in a cold climate area where batteries die regularly. For the winter months when there is little use a trickle charger does the trick but it means your vehicle has to be parked near an electrical outlet.
Thread Starter
Super Member
Joined: Sep 2002
Posts: 636
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From: New Jersey, USA
W211 & Q7
my dealer said trickle charger does NOT apply to the new e !!!
northbenz,
You are right for most of MB models but I just confirmed with my local dealer, the technician said the trickle charger does NOT apply for the new e models because there is a chip inside the car is not compatible with the current MB trickle charger. and he suggested I disconnect my battery before I go to my vacation and synchronize both windows and roof after reconnect the battery.
I believe the trickle charger for new e is on the way, I definitely will get one after it is available. Does anyone when it is available and the part number?
Thanks.
Otto
You are right for most of MB models but I just confirmed with my local dealer, the technician said the trickle charger does NOT apply for the new e models because there is a chip inside the car is not compatible with the current MB trickle charger.
and he suggested I disconnect my battery before I go to my vacation and synchronize both windows and roof after reconnect the battery. I believe the trickle charger for new e is on the way, I definitely will get one after it is available. Does anyone when it is available and the part number?
Thanks.
Otto
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Thread Starter
Super Member
Joined: Sep 2002
Posts: 636
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From: New Jersey, USA
W211 & Q7
2 batteries--regular and reserve
jim256,
I was told that I could disconnect the battery in the trunk as long as I want and I believe this is the one to provide the electricity power for start engine. The other one holds all memory setting, e.g. my memory seats, radio stations, etc. When I reconnect back the battery in the trunk, the only things that have to do is reset/synchorize windows and roof.
The way you resynchorize your windows (4 of them) is
after you reconnect battery, press window button down and hold it 3 seconds then press up. (you have to 4 of them)
for the roof, press open button then it will pop up and hold the button 3 seconds then you close it.
I hope MB comes out trickle charger for new e soon. I don't want to get a shock when I disconnect my battery in the trunk. By the way, after fully charge your car battery, you always get better lights and sound quality. especially, for those who drive car in a short trip daily. (it should be charged over night every 2 weeks or 1 month depends on how short your daily trip is and how you consume the power, e.g. heated seats, lights, etc.)
Otto
I was told that I could disconnect the battery in the trunk as long as I want and I believe this is the one to provide the electricity power for start engine. The other one holds all memory setting, e.g. my memory seats, radio stations, etc. When I reconnect back the battery in the trunk, the only things that have to do is reset/synchorize windows and roof.
The way you resynchorize your windows (4 of them) is
after you reconnect battery, press window button down and hold it 3 seconds then press up. (you have to 4 of them)
for the roof, press open button then it will pop up and hold the button 3 seconds then you close it.
I hope MB comes out trickle charger for new e soon. I don't want to get a shock when I disconnect my battery in the trunk. By the way, after fully charge your car battery, you always get better lights and sound quality. especially, for those who drive car in a short trip daily. (it should be charged over night every 2 weeks or 1 month depends on how short your daily trip is and how you consume the power, e.g. heated seats, lights, etc.)
Otto
Member
Joined: Oct 2002
Posts: 194
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From: Southern California
2003 E320
disconnect
i usually just disconnect the battery.
if it's a 2 week trip, i would keep the battery connected, lock the doors, but not enable the alarm. if you have your own garage, it should not pose a large security risk. the alarm uses up some battery (much more than the other stuff that it uses while shut down).
Rock
if it's a 2 week trip, i would keep the battery connected, lock the doors, but not enable the alarm. if you have your own garage, it should not pose a large security risk. the alarm uses up some battery (much more than the other stuff that it uses while shut down).
Rock
