BenzV12

I have seen these two types of battery tenders for Mercedes-Benz cars , it says MB but I believe you should be able to have no problem of using these in any car you have got in your garage .
So, my question is what are main differences between these particular models , I asked my dealer but as of yet they not replied me back with a clinching answer
Thanks for your time

This one :




And this one :

dtohio

I have a 3300 CTEK and it looks much like the one on the bottom, the other looks like their newer 4.3, they also have a 7002 that has more power etc. I suggest you check thier web site for details if your buying, there a top shelf euro charger and number of thier models would suit us, I recommend them. Good prices on ebay.

PelicanParts.com

Both the owners manual and factory service manual warn against using a battery tender or charger, unless the battery is disconnected from the vehicle.

I have replaced many modules damaged by both.

My best suggestion: Follow the owners manual and factory service manual.

roy@pelicanparts.com


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BenzV12

Thanks for your replies dtohio and PelicanParts.com, I appreciate that
Funny thing, I had seen a brand spanking new W221 S350 BLUETEC with the bigger charger was connected in the dealer's lot but I had not paid any attention whether the battery was disconnected from the car or not.
Thanks again

dtohio

[QUOTE=PelicanParts.com;5587142]Both the owners manual and factory service manual warn against using a battery tender or charger, unless the battery is disconnected from the vehicle.

I have replaced many modules damaged by both.

My best suggestion: Follow the owners manual and factory service manual.

roy@pelicanparts.com

Yes the factory says this and its the safest given the various ways we may charge batteries, I have a 30 yr old and probably destructive to modern electronics charger I never use, I think thats why the removal suggestion persists. The cetek I use (us3300) is highly rated for its clean dc and hook up safety and ctek says you dont need to disconect the battery. I charge my winter stored MB every couple of weeks with the bat in place, no problems, and I know how to remove it and re snyc the car. Note thier 7002 charger even has a clean 12v supply mode for battery changes.

BenzV12

I went for the 1st one and it arrived ,here is the image for it , looks very professional item
Thanks again for your replies