Reset Rear Climate Control?

[W221copea]

<div class="bbWrapper">Can anyone help? My rear climate control runs warm to ho air only with zero cooling. If i close the rear off from command I get a heat build up in the tunnel to the rear of the car and over a long period (drive) this heats to &quot;very Warm&quot;. Activated this soon cools. <br /> <br /> I am guessing the rear needs re-calibration or similar. Any Ideas to avoid another Stealership visit?</div>

 

[Larkone]

<div class="bbWrapper">A decent code reader will tell you if the flaps controlling temp are working or get it to an Indy and put on a STAR machine for diagnosis</div>

 

[W221copea]

<div class="bbWrapper"><blockquote data-attributes="member: 122133" data-quote="Larkone" data-source="post: 2837967" class="bbCodeBlock bbCodeBlock--expandable bbCodeBlock--quote js-expandWatch"> <div class="bbCodeBlock-title"> <a href="/goto/post?id=2837967" class="bbCodeBlock-sourceJump" rel="nofollow" data-xf-click="attribution" data-content-selector="#post-2837967">Larkone said:</a> </div> <div class="bbCodeBlock-content"> <div class="bbCodeBlock-expandContent js-expandContent "> A decent code reader will tell you if the flaps controlling temp are working or get it to an Indy and put on a STAR machine for diagnosis </div> <div class="bbCodeBlock-expandLink js-expandLink"><a role="button" tabindex="0">Click to expand...</a></div> </div> </blockquote>Any recommendations on a code reader? I have a very basic one but ot will only work on main engine codes and not the deeper complex ones</div>

 

[Larkone]

<div class="bbWrapper"><a href="https://ljmcardiagnostics.co.uk/products/icarsoft-mb-v2-0-mercedes-professional-diagnostic-scan-tool" target="_blank" class="link link--external" rel="nofollow ugc noopener">iCarsoft MB V2.0 - Mercedes, Sprinter &amp; Smart Professional Diagnostic Tool</a></div>