MotorDeets

2015 Mercedes-Benz SL400: Recalls, Problems & MPG

Here are the deets on the 2015 Mercedes-Benz SL400: 2 recalls, 2 owner complaints and up to 23 mpg combined.

2vehicle recalls
2owner complaints
0mention a crash
23best combined mpg
2015 Mercedes-Benz SL400
Photo: 根川孝太郎 · CC BY-SA 4.0 · Wikimedia Commons. Representative photo of this generation; trim may differ.

Recalls

2 vehicle recalls from the manufacturer. Repairs are free. Check your VIN to see if one is still open on your car.

Exterior lights Vehicle recall #16V439000 · 2016 · 100 vehicles

What's wrong: The affected vehicles are equipped with low-beam headlights that May have been aimed incorrectly during vehicle production. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (fmvss) number 108, "lamps, reflective devices, and associated equipment."

Why it matters: Improperly adjusted low-beam headlights May reduce the driver's visibility, increasing the risk of a crash.

The fix: Mbusa will notify owners, and dealers will inspect and if necessary adjust the headlamps, free of charge. The recall began on July 22, 2016.

Communication Vehicle recall #19V787000 · 2019 · 24,226 vehicles

What's wrong: Mercedes-benz USA, LLC. (mbusa) is recalling certain 2013-2017 vehicles due to a software fault that May cause the date and time for the emergency call system (ecall) to differ from the actual date and time, potentially relaying an inaccurate vehicle location. For a full list of the affected models visit: https://static.NHTSA.gov/odi/rcl/2019/rmisc-19v787-4620.pdf

Why it matters: An inaccurate vehicle location May delay emergency responders, increasing the risk of injury.

The fix: Mbusa has initiated an over the air (ota) remote update. Mbusa will also notify owners, and dealers will check software for a successful ota or update the communication module software as needed, free of charge. The recall began December 23, 2019.

Most-reported problems

Owner complaints filed with NHTSA, by component. One complaint can list several components. 0 mention a fire, 0 injuries and 0 deaths were reported.

Wheels2

What owners describe

The 2015 Mercedes-Benz SL400 has 2 owner complaints, ranking #1 of 2 SL400 model years for complaints (about average; the typical year has 2). Neighboring years: 2016 (1 complaints, 1 recalls).

Engines & fuel economy (EPA)

EngineTransmissionDriveCityHwyComb.Fuel
3.0 L 6-cyl turboAutomatic 7-spdRear-Wheel Drive202723Premium

Want the full repair deets? Get the factory manual.

Recall and complaint data tells you what goes wrong. A service manual tells you how to fix it: torque specs, wiring diagrams, fluid capacities and step-by-step procedures for the 2015 Mercedes-Benz SL400.

eManualOnline Download (PDF), keep forever

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Mitchell 1 DIY Online access, factory-level data

Pro-shop repair procedures, wiring diagrams and TSBs for your exact car.

From $19.99/mo · $39.99/yr
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ALLDATAdiy Online access, factory OEM info

OEM procedures, specs and recall/TSB info, the same source many shops use.

From $19.99/mo · $59.99/yr
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Haynes Print book or AllAccess online

Step-by-step photos written from a real teardown. Great for first-timers.

Books ~$30–$40 · AllAccess $34.99/mo
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FAQ

Does the 2015 Mercedes-Benz SL400 have any recalls?

Yes. NHTSA lists 2 vehicle recalls for the 2015 Mercedes-Benz SL400. Recall repairs are free at any dealer, no matter how old the car is. Check your VIN at nhtsa.gov/recalls.

What are the most common 2015 Mercedes-Benz SL400 problems?

Owners have filed 2 complaints with NHTSA. The most-reported areas are wheels (2).

What gas mileage does the 2015 Mercedes-Benz SL400 get?

EPA ratings run up to 23 mpg combined (3.0 L, Automatic 7-spd), across 1 engine and transmission combos.

Where can I get a 2015 Mercedes-Benz SL400 repair manual?

eManualOnline sells downloadable manuals, Mitchell 1 DIY and ALLDATAdiy sell online access to factory repair data, and Haynes sells printed guides and online access. Pick a download if you want to keep it, or a subscription for wiring diagrams and TSBs.

Other SL400 years

20152016