A Buyer’s Guide to the 2012 Mercedes Benz S400 Hybrid

When you expect your vehicle to show everyone that you have truly arrived, while being greener than some of the other luxury options, the 2012 Mercedes Benz S400 Hybrid needs to be on your list. Add in the fact that you’ll also get outstanding performance and complete comfort, and you’ll quickly gain an even greater appreciation for the S-Class line.

Key Features

The 2012 Mercedes Benz S400 Hybrid features a “mild” hybrid system, which means that it can’t depend solely on electric power. It works by reducing the amount of fuel needed, while increasing the amount of power. Together, these systems provide 295 horsepower and 284 lb-ft of torque to create reactive performance, all while regenerative braking keeps the electricity going back into the battery.

Changes for 2012

The S400 Hybrid did not receive any changes for the 2012 model year, instead relying on the relatively recent facelift it received in 2010.

What We Like

There’s plenty to like about a hybrid that delivers exceptional luxury, tons of standard features and plenty of available upgrades. With all the accoutrements that go with the 2012 Mercedes Benz S400 Hybrid, it’s nice to discover a vehicle that is just as nice to be a passenger in as it is to drive it. With Active Body Control and Crosswind Stabilization the ride quality is exceptional. Then, with options such as the Splitview interface in the center stack that lets the driver access one source while the passenger watches a movie, the ride and experience just become more enjoyable for everyone.

What Concerns Us

Given all the features available, new owners should expect to spend quite a bit of time familiarizing themselves with all the electronic features.

Available Models

This S-Class option is only available in the S400 Hybrid model. Drivers will enjoy the power and performance all the way around. The 3.5-liter Mild Hybrid V6 engine delivers:

  • Horsepower: 295 @ 6,000 rpm
  • Torque: 284 @ 2,400-5,000 rpm
  • City/Highway Fuel Economy: 19/25 mpg

Major Recalls

There have been two major recalls issued for the 2012 Mercedes Benz S400 Hybrid. The first is due to the potential for the fuel filter to leak, which is caused by an irregularity that occurred during the process used to mold the fuel filter flange. The second is for the TPMS indicator, which may not illuminate as intended, or after restarting the vehicle.

Common Issues

There have been no common complaints listed for the 2012 Mercedes Benz S400 Hybrid.

Mercedes Benz S400 Hybrid 2012 Interior


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19 years of experience
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Chevrolet Impala V6-3.6L - Pre-purchase Car Inspection - Lansdale, Pennsylvania
Shawn was prompt, professional, and delivered the promised service as expected. This was a used vehicle pre-purchase inspection. Shawn also had to drive to multiple locations to perform the inspection, as the address listed that I provided him with was not accurate, but he still made it to the correct location within his time window and completed the inspection.
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Shawn was very prompt in communicating with me and was good at helping me decide whether to purchase a used car. He help me avoid a car with a repaired rusted frame that could be a danger to my family's safety since we were planning on using the car to tow a travel trailer!

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Luis was great. He showed up on time, acted professionally, and gave me confidence with a pre-purchase car inspection.
Acura RDX - Pre-purchase Car Inspection - South Hackensack, New Jersey
Luis did a thorough pre-purchase inspection for me, and found several major issues that made me pass on buying the car. Had I purchased the car, I almost certainly would have ended up paying thousands in repairs down the road. Thanks Luis!

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Hyundai Elantra L4-2.0L - Pre-purchase Car Inspection - Englewood, Colorado
He did a pre-purchase inspection for me. He was knowledgeable and fast, and knew what he was looking for. I really appreciate all the pictures and documentation he took of the state of the car before purchase. He noted potential issues with the car that I wouldn't have been able to notice. Would recommend.
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I trust Robert. He gave me a list and we will take care of it the week of June 29. I will know then that my vehicle is ready for the winter and is safe to drive. I look forward to getting things ready for another winter of careful driving.

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