HVAC

Modern Mercedes-Benz A/C Compressors

Modern Mercedes-Benz A/C Compressors

Some have clutches, some don’t.  Some are the scroll type, some aren’t.  How do you know if they’re doing what they’re supposed to do? An air conditioning compressor does two things that its name implies.  First, it’s responsible for “conditioning” the air in the vehicle’s cabin. It not only cools it down, but also reduces […]

December 2018 | By | Reply More
Mercedes-Benz Classic Center

Mercedes-Benz Classic Center

A World-Class Preservation Facility for a World-Class Marque

September 2017 | By | Reply More
Why You Need XENTRY

Why You Need XENTRY

Here’s the short answer: So you can perform virtually every diagnostic, service, and programming task that a dealership can perform.

June 2017 | By | Reply More
Using WIS Efficiently

Using WIS Efficiently

While the Mercedes-Benz Workshop Information System may be intimidating at first, stick with it and you’ll find that it’s ALL in there.

June 2017 | By | Reply More
XENTRY Diagnostic System

XENTRY Diagnostic System

Star Tuned explores the latest developments in this exceptional technical resource.

March 2016 | By | Reply More
Serpentine Belts & Pulleys

Serpentine Belts & Pulleys

Dealing with apparent “belt noise” is often the first step in recognizing that a belt and possibly other system components are worn out, or operating under duress — it might be only a matter of time before a breakdown on the road.

March 2016 | By | Reply More
Breathing Easy: Cabin Air Filtration

Breathing Easy: Cabin Air Filtration

Cabin air filtration is designed to filter 100% of the air entering the ventilation system to provide the cleanest air for the maximum passenger comfort possible.

June 2015 | By | Reply More
Climate Control Vents: Fair or Ill Wind?

Climate Control Vents: Fair or Ill Wind?

Mercedes-Benz has gone far beyond cables and vacuum to control HVAC accurately.

June 2015 | By | Reply More
Pulse Width Modulation: Change is Inevitable

Pulse Width Modulation: Change is Inevitable

You’ve been dealing with this concept ever since EFI became popular, but now applications are seemingly everywhere.

January 2015 | By | Reply More
Variable Displacement A/C Compressors: Always Spinning

Variable Displacement A/C Compressors: Always Spinning

Only after ruling out non-compressor problems can you begin testing the variable displacement compressor itself. Does the swash plate respond to different loads? If not, is it a problem with the compressor, sensor inputs, or with the controller?

October 2014 | By | Reply More