Mercedes Recalls The AMG GT Right After Releasing The GT R


At least the problem was found early.

Piggybacking off of the red-hot release of the Mercedes AMG GT R was another piece of news related to the car. Unfortunately, this headline doesn’t bode well for the AMG GT because it involves a stop sale order of all AMG GT S models as well as a recall of 135 of the twin-turbo coupes. The problem is with the driveshaft, which due to improper cleaning methods may come apart and hinder acceleration. For a car that is trying to compete with the ironclad drivetrain of the Porsche 911, this isn't good.

Fortunately, no injuries have been reported due to the problem. What makes this driveshaft different than a conventional tube is the fact that it is made out of carbon fiber. Cars like the BMW M3 and M4 and Lamborghini Sesto Elemento feature the technology, not only because it reduces the overall weight of the car but because it also lessens the rotational inertia of the drivetrain. This provides more instantaneous acceleration and frees up more of the engine’s power to spin the tires instead of the mechanical bits in between. In the case of the GT S, the carbon fiber shaft my have not been cleaned well enough before it was bonded to the transmission flange. This could cause the adhesive to fail and separate the shaft from the flange.

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When this happens, power is cut from the rear wheels, bringing dismay to owners who wanted to show off launch control, not wait for a tow truck. The affected models are AMG GT S cars that were built between June 1st and July 24th of 2015. If you own one of these, Mercedes will contact you in July to have your car taken to a dealership for an inspection. If it looks like the torque tube is one of the improperly manufactured units, the Tri-Star will replace the part for you so that those 3.0-second rushes from 0-60 mph can resume. It’s a good thing Mercedes caught the problem now before the GT R tried to take on the Porsche 911 GT3 and ended up like other broken GT-Rs.