2015 Mercedes-Benz Sl63 problems, complaints & recalls
Safety recalls (2)
Communication 2019-11-01 · campaign 19V787000 · 24,226 vehicles
Defect: 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
Risk: An inaccurate vehicle location may delay emergency responders, increasing the risk of injury.
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. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2019120008.
Exterior Lighting:headlights 2016-06-15 · campaign 16V439000 · 100 vehicles
Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain model year 2016 SLK300, SLK350, SL400, SL550, and SL63 AMG vehicles manufactured from June 29, 2015, through July 13, 2015. 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."
Risk: Improperly adjusted low-beam headlights may reduce the driver's visibility, increasing the risk of a crash.
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. Owners may contact MBUSA customer service at 1-800-367-6372.
Service bulletins (81)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Service Brakes 2026-09-22 · LI42.10-P-078779 · Service Bulletin/Repair Instructions
complaint repeat workshop visit for vehicle vibration while braking from 60mph. note: although the symptom is similar to a tire or wheel vibration, it is usually readily noticeable that it is distinctly different if it happens at all times or only while braking. cause although the cause of the vibra
Structure:body 2026-09-14 · LI82.62-P-078631 · Service Bulletin/Repair Instructions
complaint clanking noise from the area of the speakers in the doors. cause under analysis. remedy to narrow down the cause, first of all remove the door trim. • if the noise continues to occur even with the door trim removed, then continue the diagnosis working towards the speaker and if necessary,
Steering 2026-08-28 · LI46.35-P-067339 · Service Bulletin/Repair Instructions
complaint during part of the steering movement, it feels heavier or more difficult to steer in the same spot every time. or rattling, humming, dry sliding/gravel noise from the electric steering system when steering (see attachment). complaint does not impact the ability to safely steer or control
Structure:body 2026-08-06 · LI82.62-P-078631 · Service Bulletin/Repair Instructions
complaint clanking noise from the area of the speakers in the doors. cause under analysis. remedy to narrow down the cause, first of all remove the door trim. • if the noise continues to occur even with the door trim removed, then continue the diagnosis working towards the speaker and if necessary,
Power Train 2026-07-14 · LI35.30-P-058566 · Service Bulletin/Repair Instructions
single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). the noise is heard once in each instance when changing direction of travel. note: sound file in attachment cause if the complaint is eliminated by experimentally loosening the outboard collar n
Suspension 2026-07-08 · LI33.20-P-078406 · Service Bulletin/Repair Instructions
complaint creaking noise, in irregular sequence when driving slowly in combination with slight steering movements and/or creaking/crackling noises from the area of the wheel bearing on the front axle when cornering/ maneuvering. sound file attached for comparison. must match noise for proper diagnos
Showing the 6 most recent of 81 bulletins. Search all of them free at nhtsa.gov.
What owners report
No detailed complaint narratives on file.
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.