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Registered 2005 SLK200
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33 Posts
Discussion Starter · #1 ·
Well I was getting ready for some spring weather top down motoring this morning, when I went to the car, unlocked and opened door and I heard the "beep". Hadnt even put key in ignition.

Looked at dash in dismay - the dreaded Vario Roof warning. Started up, tried switch to open the lid - nothing.

So, I had a look in the boot/trunk - nothing obviously wrong or out of place. Checked fuses, again all OK. Disconnected battery for 45 minutes - reconnected, then "beep" as the power was restored.

I have a basic OBD reader, but doesn't show up the fault.

So, any final tips before I ask my local garage to step in? It was working fine yesterday, no issues at all in operation.

Car is a 2005 R171 200K automatic. No smart top or similar kit.
 

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Super Moderator (UK)
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33,373 Posts
Did you reset windows after battery disconnect?
both windows down together, both up together and hold for a few seconds.

Did you try with the engine running?
IF battery is not tip top the large power draw for the roof is not possible.
So, if it works with engine, look to battery (trickle charge, not fast charge).
 

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Registered 2006 SLK350 sold/now 2018 SL400
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335 Posts
You definitely need a scan with a Mercedes specific tool. It could be something as simple as a low voltage, that has thrown up an error code that needs clearing. (worked for a chap I know with an SLK200)
It may be worth investing in your own scanner, can highly recommend the icarsoft mb ii which retails around £136
Mark
 

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Registered 2005 SLK200
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33 Posts
Discussion Starter · #7 ·
Did you reset windows after battery disconnect?
both windows down together, both up together and hold for a few seconds.

Did you try with the engine running?
IF battery is not tip top the large power draw for the roof is not possible.
So, if it works with engine, look to battery (trickle charge, not fast charge).
Windows were reset, but will do it again just in case.

Yes tried fully running and zero movement. I don't try and use the roof without engine running as its probably a big draw.
 

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Super Moderator (UK)
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33,373 Posts
 

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Registered 2005 SLK200
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33 Posts
Discussion Starter · #9 ·
Quick update - local garage ran a scan and they think the fault may be a Rear SAM fault - 90D2 fault code.
I'm a bit annoyed as the front SAM went only a few months ago...
 

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Super Moderator (Canada)
2012 SLK55 AMG w/P30 "Schwarzie"
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17,729 Posts
Exactly ^ .

In an aside, my beater showed a CEL--turns out to be an evap leak. I found an excellent video on line about a mech went about finding the leak in a car that was in his repair shop.

He said time and time again in the vid: NEVER AGAIN will he take on another evap leak because it's too time consuming (and therefore not cost/time efficient).

My point is: the mech who didn't want to touch it probably felt it was either a)too difficult a job or b)he could do it but didn't want to take the time because what HE would have to charge "fumbling" around to fix it would not be acceptable to you.

So, as Efair said try to find a mech more skilled in MB work. They are out there. Just have to look.

Did you have a look in here?
 
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Registered 2005 SLK200
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33 Posts
Discussion Starter · #14 ·
Exactly ^ .

In an aside, my beater showed a CEL--turns out to be an evap leak. I found an excellent video on line about a mech went about finding the leak in a car that was in his repair shop.

He said time and time again in the vid: NEVER AGAIN will he take on another evap leak because it's too time consuming (and therefore not cost/time efficient).

My point is: the mech who didn't want to touch it probably felt it was either a)too difficult a job or b)he could do it but didn't want to take the time because what HE would have to charge "fumbling" around to fix it would not be acceptable to you.

So, as Efair said try to find a mech more skilled in MB work. They are out there. Just have to look.

Did you have a look in here?
Yeah, I have used a near(ish) specialist before for the front SAM, so will be going back there.

But in fairness my local did the scan with his OBD kit Free Of Charge - after all, if it was a simple reset only then all could have been well.
So I am not in the "get a better mechanic" idea - the local doesn't mess about with roof issues, that's all. They have too much work on at the moment and would have been booking a good month ahead, so the comment is probably not fair.
 

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Super Moderator (Canada)
2012 SLK55 AMG w/P30 "Schwarzie"
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17,729 Posts
ahh, long distance viewing of posted issues is always a guess (y)
 
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Registered 2005 SLK200
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33 Posts
Discussion Starter · #16 ·
Well booked in to my "local" MB specialists for the fix. Unfortunately its the end of the month as they are rammed.

....just as the sun stays out here in the UK!!
 
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