Are OE MB supplied batteries different from the retail versions?

[oldguy57]

Don't use the autofold. It WILL lead to mirrors failing - can be folding, can be power up/down etc - sooner than they would otherwise. When I got it, my second E500 had problems on both sides; and the wiring was a real rat's nest behind the covers.

Apropos the batteries, I bought a new one from MB for not much more than the online price of that Varta - about £20 or so. I was in a hurry, and they had one in stock.

Good point on the autofold. Obvious when you think about it.

 

[Petrol Pete]

+1 for switching auto fold off. Only fold them when necessary.

 

[BlackPearl09]

I always turn auto fold off in winter, thinking I should do it all year round now !?!

 

[Skd884]

I have noticed that the W211 320CDi has sometimes taken longer to start, especially when not used for a number of days.

Sometimes it is almost instant, other times it may take 2 seconds or so before it fires up.

The glow plug light extinguishes quickly, the fuel pump can be heard to prime the fuel system so I am leaning towards a battery that needs replacing, and having just checked the battery voltage I saw 12.14V.

The car has however not been used since Friday when it covered around 15 miles and has not been used much for the last 10 days.

I tried to look at the date stamp on the negative post but it is unreadable, there is a label on the battery which is an MB-supplied part but am unsure if this number also relates to any manufacturing date?

The label reads A 005 541 10 01 as per the attached picture.

The battery is a fairly standard 019 type of 95AH and 850CCA, I am unsure if it is an AGM or not but the car does not have Stop/Start but I think AGM or conventional Lead plate type are both suitable. I have found several retailers online selling what seems to be the identical Varta battery (AGM ) for £175 which is reasonable.

My question is are OE MB batteries any different from the retail versions apart from the MB Logo? I intend to give the car a run tomorrow and see what the voltage is overnight but I feel a replacement is due anyway.

Same battery -

C63 AMG W204 2012 Battery | Parts, Maintenance & Servicing

Might help someone A 005 541 10 01 Local MB dealer £190+, local commercial MB dealer £99+ have it on offer, it pays to shop around.

forums.mbclub.co.uk

 

[John]

Thank you for that, it looks like a good piece of kit. I had a CTEK but it failed quite quickly.

Do you leave the car battery connected in the car when trickle charging with this unit?

It's been reliable for a year so far and I've used the 7423 constantly and the 7428 a good 20 to 30 times so far and it has been very good.

Yes, I leave my main battery connected in the Merc with the 7423 connected and it's connected through the positive and ground under the bonnet (I close the bonnet onto the latch).

 

[E55BOF]

I've had a Ctek for about fve years and have had no problems with it. If I ever need to charge a badly discharged battery quickly, I also have an old (30 years-ish) 10 amp Halfords charger which still does the job.