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Autoweek: Mercedes Quality

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Old 09-15-2003, 05:28 PM
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03 E320, sport package, moon roof, sound upgrade, brilliant silver, charcoal leather, heated seats..
Autoweek: Mercedes Quality

(08:58 Sep. 15, 2003)
Bugs bite Mercedes-Benz quality; glitches lead to go-slower approach


By DIANA T. KURYLKO | Automotive News

FRANKURT -- Top executives at Mercedes-Benz admit that a wave of increasingly complex electronic products proved so difficult to debug that the German automaker is modifying its first-at-all-costs approach to technology.

Quality glitches caused by Mercedes' Comand system proved maddeningly difficult to fix two years ago, forcing the automaker to boost product testing by 50 percent.

Problems with Comand, which integrates the onboard navigator, entertainment system and phone, forced Mercedes to buy back 2,000 E-class sedans from U.S. customers. The quality glitches also created tensions with Robert Bosch GmbH, a key Mercedes supplier.

This is the first time Mercedes-Benz has acknowledged the widespread quality problems. During an interview with Automotive News at the Frankfurt auto show, a top company executive said Mercedes is working hard to improve its ranking on consumer quality surveys.

"We have a problem because we are the technology leader," said Juergen Hubbert, the DaimlerChrysler board member responsible for Mercedes cars. "We were not talking about (the improvement) because you have to see it. On the next survey you will see we are on our way."

Hubbert was referring to J.D. Power's most recent Initial Quality Survey, which measures a vehicle's quality three months after it is purchased. The survey, which was released in spring, ranked Mercedes 15th among brands, barely above the industry average.

Problems began to crop up two years ago, when Mercedes-Benz had trouble integrating Comand's features. Bosch supplied the system's navigator.

When Mercedes-Benz connected Comand's electronic systems, the screen would go blank and systems would malfunction. The system created other glitches. For example, the system inadvertently would activate the electric seats and drain the battery.

A Bosch source says Mercedes asked the supplier to integrate Comand's features after Mercedes had trouble doing so. But the effort to debug Comand strained Bosch's engineering resources.

According to a Mercedes executive, Bosch placated its angry customer by firing a top executive in its Blaupunkt unit, which produces navigators, radios and other electronics. The Mercedes source did not name the executive, and the Bosch spokesman declined to comment.

But it is known that senior Bosch executive Stephan Rojahn left the company without explanation late in 2001.

Rojahn, a highly regarded manager who was on Bosch's fast track, was responsible for Blaupunkt. Rojahn later joined Durr AG, a manufacturer of paint equipment.

Comand's quality glitches proved difficult to track down. The electronics would fail sporadically, making it difficult to identify and fix problems.

"When you looked into it, it never happened again - until the next time," Hubbert said.

As problems persisted, consumers began to downgrade their opinions of Mercedes quality. According to J.D. Power data, Mercedes owners reported 132 problems per 100 vehicles, just above the industry average of 133 problems.

"Seven out of our top 10 problems are with electronics, communications, telematics, radio, telephone - activities where we had put a lot of electronic systems in the car," said Hubbert.

The good news, according to the company, is that the electronics problems have been fixed.

"What we have and what we deliver to the market is of significantly higher quality than it ever was," said Hans-Joachim Schoepf, executive vice president for Mercedes-Benz's car development and engineering.

To improve quality, Mercedes-Benz increased its product testing by 50 percent. "We do more testing than we ever did, especially with debugging," Schoepf said. "The real problem is that we underestimated the debugging phase in new electronics systems, especially multimedia."

The company also redesigned its Comand system so that it can diagnose a problem without the customer's intervention.

"If something happens in the system, it repairs itself," Schoepf says. "You won't see it as a customer."

Mercedes also has dispatched employees to its suppliers to become technology experts. The company has assigned staffers to Motorola, Nokia and Siemens, among others.

"If you want to work together with your supplier you have to have expertise," said Schoepf. "Otherwise, they can tell you anything."

Schoepf also says Mercedes made sure that dealers were kept informed so that they could fix vehicles as they came in for service.

Mercedes-Benz eventually changed suppliers, awarding the navigator contract to Harman/Becker Automotive Systems.

Bosch's other contracts with Mercedes have not been affected.

"It was clear the multimedia side has nothing to do with the fuel injection, sensor or the engine control unit," Schoepf said.

The experience has not deterred Mercedes-Benz from its goal of being the auto industry's technology leader in safety and fuel economy.

For example, Mercedes considers its Pre-Safe crash avoidance system, which activates the brakes when it senses an impending crash, to be a key safety technology.

But company executives are debating the need to adopt less essential technologies quickly. For example, Mercedes-Benz has not moved quickly to introduce Internet access or text message service.

Mercedes executives are troubled by the brand's drop in quality ratings. But Joachim Schmidt, head of worldwide sales and marketing, argues that customer loyalty remains high.

"We have problems but ... we are very successful in terms of sales and we are very successful in terms of brand awareness," Schmidt said. "We have the highest loyalty rate in the automotive industry."

Schmidt says Mercedes dealers have been able to fix nearly all problems.

"We have customers that have high expectations," he says. "There is no sign that the situation is grave. Our image is great."
Old 09-15-2003, 06:27 PM
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Didn't see that story in my issue. Loved the story on the 959 getting Federalized.
Old 09-15-2003, 07:54 PM
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first at all costs? for a CD changer and DVD-Nav and a bluetooth phone?
Old 09-15-2003, 09:46 PM
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Says nothing about correcting all the other problems as seen on this website and reported by many owners.
Old 09-15-2003, 10:23 PM
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atleast they recognize their quality issues now and are working towards improving upon those, right?
Old 09-15-2003, 11:31 PM
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If you mean "multi media, telephone and command electronics".... sure at least they've admitted to something, but as I said above there's many,many more quality issues to be addressed. My new 04 has some of the same problems as with early 03's ie motor mounts Why this company lets cars off the assembly line with such well know problems that have TSB's out for almost a year is INSANE and that's a big part of why the initial quality rating are/have been in the toilet.
Old 09-15-2003, 11:48 PM
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E 63S Wagon Renntech, E55 Renntech, SL65, SL 55 030, ML, bunch of old ones--they come, they go...
What they're still not saying....

is anything about the lousy quality of the raw materials and build quality of the newer cars. I did LOVE the statement in the Autoweek issue a couple of weeks ago --anyone else notice it? It was the quick take on the S55. One of the testers noted that it was hard to believe how cheap the interiors on these cars had become. I had planned to cut this out and mail it to MBNA. My first letter to them on this subjuect was in 2000--and they have ignored every correspondence I have sent them on the subject. Sad, but they just don't care. I would challenge them to show me that they do.

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