Porsche Issues Stop-Sale on Cayenne Diesel

Porsche has issued a stop-sale order for its Cayenne Diesel, a model that accounts for about 30 percent of all new Cayenne SUVs on Cars.com. The luxury brand, which is part of the Volkswagen Group, says it's doing so "in view of the unexpected U.S. EPA notice received yesterday."

Related: EPA: V-6s from VW, Audi and Porsche Have Diesel Emissions Cheat Devices

That notice charges that VW's 3.0-liter diesel V-6 engine, which is installed in the Cayenne Diesel and five other VW and Audi models, employs a "defeat device" similar to the ones allegedly used in Volkswagen's four-cylinder diesel engines. Volkswagen suspended sales of its four-cylinder diesels in September as it grapples with an ongoing emissions crisis.

The move to suspend sales comes as Porsche expresses bewilderment at the EPA's latest charges. Porsche said Monday that it's "surprised to learn" about the latest charges.

"Until this notice, all of our information was that the Porsche Cayenne Diesel is fully compliant," the company said in a statement.

Porsche introduced the current-gen Cayenne Diesel for the 2013 model year. Both Porsche and the EPA maintain that existing Cayenne Diesels are safe to drive. The sales stoppage affects all 2014, 2015 and 2016 Cayenne Diesel SUVs on dealer lots, whether they're new, used or certified pre-owned.

Curiously, the EPA says its allegations only apply to the 2015 Cayenne Diesel. Asked why other model years weren't involved, an EPA spokesperson told Cars.com "the investigation into earlier model years is ongoing."

Porsche said it's "working intensively to resolve this matter as soon as possible," but owners "may continue to operate their vehicles normally."



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2016 Mercedes-Benz GLC: First Drive

The 2016 Mercedes-Benz GLC300 is a compact SUV that could be seen merely as a replacement for the previous GLK-Class, but that wouldn't be doing the new model justice. The 2016 GLC is a marked improvement that impresses with its dynamics, but especially with its interior and cargo upgrades.

Related: 2016 Mercedes-Benz GLC: First Look

I tested the 2016 GLC across a mix of highway and mountain roads in north Georgia over two days, driving both all-wheel and rear-wheel-drive GLC300s.

How It Drives

The GLC300 is powered by a 241-horsepower, turbocharged 2.0-liter four-cylinder engine that's matched to a nine-speed automatic. Mercedes-Benz said it tuned the turbocharger so that it provides more power at the low end for an engine with more "grunt," and that the new engine should not make people miss the GLK-Class' V-6 engine. But I'm not prepared to say that I don't miss the V-6, because with the added weight of all-wheel drive the performance didn't blow me away.

Specifically, the engine is underwhelming off the line from a dead stop, but once moving there is good response. With rear-wheel drive, the performance is better, but I wonder how many SUV buyers are going to want to live without all-wheel drive.

Standard in the GLC is what Mercedes calls the Dynamic Select system that lets you switch from Comfort to Eco to Sport and aggressive Sport+ modes. This alters both the steering feel and the transmission response, but no mode fully overcomes the initial lag from a standstill that you feel.

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2016 Mercedes-Benz GLC-Class; Cars.com photo by Bill Jackson

However, I liked the Dynamic Select system because there are clear differences between the modes. In Sport, and especially Sport+, you really notice the transmission holding onto lower gears longer and the engine winding itself out, and the steering offers more feedback. If it's not spectacular, it was at least satisfying to drive it this way, especially on twisty, hilly roads.

The real stars of the GLC's driving experience are its overall dynamics  and ride quality. The GLC was able to absorb bumps in the road and yet also not demonstrate any body roll. The GLC just felt like it was gripping the roads, especially in the all-wheel-drive version. That kind of security was welcome in the really twisty parts of the route.

What's impressive is that Mercedes-Benz will offer an optional air suspension, but due to production issues we were testing models equipped only with the traditional steel springs. In the past I've been wowed by Mercedes' air suspensions' abilities, but this car has me questioning whether I'd really want to spend the extra money for the optional air suspension, so good was the conventional setup.

Finally, the GLC has not been tested by the EPA so no fuel economy figures are available.

Interior and Cargo

The GLC is 4.6 inches longer and 2 inches wider than the GLK it replaces, and you really notice the change in the front seat. (The GLK always felt slightly narrow to me, and I felt like I was sitting snugly with my passengers.)

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2016 Mercedes-Benz GLC-Class; Cars.com photo by Bill Jackson

The front doors are sculpted out in such a way that your outside arm isn't pinned in by the door, and there's still plenty of room for your inboard elbow. My driving partner and I were both larger guys, and we never bumped elbows once in two days of driving.

It's the same story in back: The seating area is large, and I wasn't hurting for head or shoulder room. My legs also had good room and my knees weren't raised too high in the air, and that's appreciated, especially when you're 6-foot 2-inches tall like I am.

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2016 Mercedes-Benz GLC-Class; Cars.com photo by Bill Jackson

Also, the cabin quality is very good for the compact luxury SUV class. It adopts the styling of the Mercedes-Benz' C-Class sedan, and that's a good thing. In addition, a more upscale designo treatment is available, as well as various trim options. Overall it's well-executed both in how things look and how they feel to the touch. It does, however, carry over the "floating tablet" center screen that some find objectionable, but that is becoming more commonplace across both the Mercedes lineup and the market.

The cargo area is also bigger and better-shaped than the previous model, and it has a few new tweaks that really come in handy. Specifically, instead of the normal cargo floor that can just be lifted up to expose more cargo area, Mercedes made the cargo floor panel lockable, making the under-floor storage that much more secure.

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2016 Mercedes-Benz GLC-Class; Cars.com photo by Bill Jackson

Finally, for those of us who like to haul long things and have to fold seats, the rear seats fold down by switches you tug in the cargo area. That's growing more common these days, but Mercedes-Benz takes it step further: If the front seats are set so far back so that they would prevent the rear seats from folding forward, the Mercedes-Benz system will move the front seats forward to allow the rear seats to fold. No more do you have to run to the front of the vehicle to move the front seats.

Final Thoughts

The GLC300 is more comfortable and more practical than the GLK, owing to its larger size as well as the cargo amenities and the interior quality.

The performance with all-wheel drive, though, is a bit underwhelming from the "push you in the seats and rocket forward" department, but it wouldn't be fair to call it "bad."

The GLC is expected to hit dealerships in December. I'll go more into pricing, options and safety in my expert review, but the initial impression of the GLC is that this new model will have people forgetting its predecessor in short order.



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Toyota Talks Trucks, 2016 Tacoma and Those Darn Manual Seats

2016 Honda Clarity hydrogen fuel cell sedan: First impressions


Honda has decided that the future of transportation—sorry, we mean the future of personal mobility—is at least substantially tied to what it calls the hydrogen economy; its president and CEO...

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2014-15 Chrysler, Dodge, Ram Brake Issue

Vehicles affected by service bulletin:

  • 2014 Chrysler Town & Country
  • 2015 Chrysler Town & Country
  • 2014 Dodge Grand Caravan
  • 2015 Dodge Grand Caravan
  • 2014 Ram C/V Tradesman (cargo van)
  • 2015 Ram C/V Tradesman

The problem: In vehicles built between June 1, 2014, and Aug. 1, 2014, and equipped with antilock brakes, drivers may experience a shake and/or vibration in the steering wheel and/or seat while driving at highway speeds without the brake applied. This vibration may be caused by out-of-balance front brake rotors.

See More Service Bulletins

Corrective action: Dealers will inspect the manufacture date code of the front rotors on affected vehicles. If the rotors are found to fall within a certain manufacture date range, the front brake rotors will be replaced free of charge.

Warranty info: This repair is being done under the new vehicle warranty (three years/36,000 miles).

What owners should do: Call your local dealer with your vehicle's identification number to determine if it's involved in this service bulletin. You can also call Chrysler directly at 800-247-9753, Dodge directly at 800-423-6343 or NHTSA at 888-327-4236. Reference TSB No. 05-005-14A.

Need to find a dealer for service? Go to Cars.com Service & Repair to find a local dealer.

Editor's note: This is only one of dozens of service bulletins issued each month by automakers. Please check your automaker's website to see if your vehicle has any service bulletins pending.

Check for recalls here on Cars.com.



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2017 Mercedes-Benz GLS-Class: First Look

NHTSA Fines Takata Up to $200 Million, Recommends Ban on Ammonium Nitrate in Airbags

The National Highway Traffic Safety Administration announced today that it would fine Takata Corp. up to a record $200 million for failing to provide regulators with timely information on its defective airbags, which are currently linked to 19 million recalled vehicles from 11 automakers in the U.S.

Related: Is Your Car Part of the Takata Airbag Recall?

Calling the situation "a mess," Secretary of Transportation Anthony Foxx told reporters today that Takata has provided years of "incomplete, inaccurate and misleading information to NHTSA, to the companies using its inflators and to the public."

No More Ammonium Nitrate

NHTSA also said it's ordering Takata to stop producing ammonium nitrate, the chemical used in defective inflators that regulators believe causes airbags to rupture when exposed to years of high absolute humidity.

"The combination of Takata's delays and denial, plus unexplained issues with ammonium nitrate in inflators not already under recall, leave us without confidence in these products," Foxx said. "So, we are ordering Takata to phase out production of new inflators using ammonium nitrate. And unless new evidence emerges, the company will have to recall all of its ammonium nitrate inflators."

NHTSA said it lacks particular confidence in ammonium-nitrate propellant without a chemical called desiccant, which combats the effects of moisture. It's not immediately clear how many Takata airbags — already on the road or scheduled as replacements — still use ammonium nitrate, with or without desiccant. In a statement today, the supplier said it will phase out Phase Stabilized Ammonium Nitrate airbags without desiccant "by the end of 2018," adding that "we deeply regret the circumstances that led to this."

It's unclear whether Takata can continue to manufacture airbags with desiccant, and Foxx claimed Takata is "not going to be putting ammonium nitrate in new airbags going forward."

A spokesman for Takata did not immediately respond to our questions beyond providing the company's statement.

'Potentially Millions More Cars' Affected

A 2014 New York Times investigation into ammonium nitrate raised the possibility that Takata adopted the chemical because it's cheaper, something the company denied at the time. Other airbag manufacturers said they use other chemicals.

Takata is immediately barred from any new contracts for ammonium-nitrate inflators, NHTSA said. It must eventually recall all ammonium nitrate inflators. The agency wouldn't say if any other cars that are not part of the existing 19 million under recall will need to be recalled, but there's "potentially millions more cars impacted," Foxx said. "As we go forward into the future on this, we'll have to figure out the true scope of this recall."

That could take time. The total number of ammonium nitrate airbags on the road "is unknown," NHTSA Administrator Mark Rosekind said. "We would have to go through the same painstaking accounting procedure we went through this summer to come up with the current coordinated remedy [for the 19 million cars under the current recall] to even have a sense of what that number would be."

As of right now, Foxx said there aren't any current 2015 or 2016 models that can't be sold today due to NHTSA's order. But "any airbags that contain the substance today — again, absent proof from Takata that this is a safe substance — those cars are going to have to be fixed," he said.

$70 Million Now, Up to $130 Million Later

NHTSA calls Takata's $200 million fine "the largest civil penalty in NHTSA history." It said it's also imposing additional oversight, including a new independent monitor, as well as requiring new safety practices. Takata is firing some of its employees because of the investigation.

Takata will pay $70 million over six installments between now and 2020. It will be fined up to the remaining $130 million if it violates the consent order or the Motor Vehicle Safety Act, according to NHTSA. Takata said it's agreed to the penalty structure.

Under the Consent Order, Takata must phase out ammonium nitrate airbag propellant and recall "all remaining" ammonium nitrate inflators "by a prescribed schedule" unless it can prove to NHTSA that the inflators are safe, Rosekind said.

NHTSA said it's speeding up the recalls and ordering automakers to replace bad inflators "months, if not years, earlier than it would happen if we took no action."

Four Risk Pools

A "coordinated remedy order" uses NHTSA's authority to order all 11 automakers to complete their recalls "on an accelerated schedule," prioritized based on risk, Rosekind said. NHTSA has divided the 19 million cars under recall into four risk pools based on inflator age, length of exposure in areas of high absolute humidity, and whether it's on the driver's side, passenger side or both.

For cars with defective driver's side airbags:

  • If it's an older model in a hot and humid area, it has the highest risk.
  • If it's a newer car in any area, it has intermediate risk.

For cars with defective passenger side airbags:

  • If it's an older vehicle in a hot and humid area, it has intermediate risk.
  • If it's a newer vehicle in any area, it has lower risk.

For cars with defective airbags on both sides:

  • If it's an older model in a hot and humid area, it has the highest risk.

Cars that already have interim replacement inflators have the lowest risk. The replacement inflators effectively reset the clock on humidity exposure, which experts believe is linked to the risk of a rupture.

How long does the clock reset? In an Oct. 22 presentation, Scott Yon, chief of the vehicle integrity division in NHTSA's Office of Defects Investigation, quantified long-term exposure to high absolute humidity as "something more than five years." Still, owners of those cars will need to get a second inflator replacement when it eventually becomes ready.

Even for the lower- and lowest-risk groups, "these inflators still pose an unreasonable risk," Rosekind said. "There remains risk of inflator rupture for all four priority groups."

Deadlines for a Fix

For the top three groups, NHTSA said automakers and Takata now face a series of deadlines in 2016 and beyond.

  • The highest-risk group needs a sufficient supply of replacement inflators by March 31, 2016.
  • The intermediate-risk group needs a sufficient supply by Sept. 30, 2016.
  • The lower-risk group needs a sufficient supply by the end of 2016.

Automakers, dealers and suppliers must work together to replace the airbags for all three groups (not just have enough on hand) by the end of 2017. The lowest-risk group needs to have permanent remedies in place by the end of 2019.

Rosekind said the schedule will accelerate the remedy by about two years versus how long it would take if regulators did nothing. Still, the industry has a long way to go. On Oct. 22, NHTSA said that as of earlier in the month, just 22.5 percent of the recalled airbags had been fixed.



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