Airmousam

2007 CLK550 cab. Interior lights work fine with manual on/off, but can not get them to work when I open the door. Have the 3 way switch in the middle position per manual...Same with the welcome lights under the door, will not light up.... Ideas? Thanks for any help

Yidney

Switch on the door jamb bad and the car thinks the door is closed?

SIGagain

isn't there a setting for that in the menu (instrument cluster)???...is that turned off perhaps?

Bill

Airmousam

Thanks guys....door switch seems fine as pushing it in and out activates the slight window movement for the cab....poked around in settings and did not see anything....also reset to factory settings...

Airmousam

So, it suddenly worked last night....when it was dark....but not again this am....wondering if there is a light sensor....will check again tonight...thx

xsever

The car definitely has a light sensor. It's in the front windshield and connected to the rear-view mirror.

Maybe the interior light does turn on automatically when the car detects that it's "day". I'll try and test today with my car and let u know. Fairly simple.

DanielFD

I can confirm i once went crazy trying to solve this problem.. turns out the light sensor does in fact tell the interior lights not to turn on if its not dark outside.. Nice touch from Mercedes.. but they should ave told us about it hehe

Airmousam

Problem solved, thanks guys!!!

My w212 has light sensors, but interior lights and welcome lights always come on....

DanielFD

Mercedes are a bit weird when it comes to these small details. I noticed Comand ntg 2.5 (2005 and onward) dont have light sensors for the screen so the brightness of the screen becomes really annoying at night. where as in my old Comand 2.0 there are 2 light sensors right in the front facia of the Comand and the screen brightness is always spot on. Also they discontinued dipping side mirrors in reverse. there are a bunch of things now that i'm thinking about it.

xsever

In Command NTG 2.5, thee is a Night/Dark Theme so that when it's dark out, the screen switches to that and brightness is no longer a problem.

DanielFD

Yes i have the same "automatic theme change" also, but i'm talking about a change in brightness. Nice touch especially when u turn on the light in the car at night and screen gets bright then I watch the screen dim slowly after I turn the light off then I wonder why Germans are such perfectionists..