The 2015 Mercedes-Benz SL has 4 official NHTSA owner defect complaints and zero open safety recall campaigns recorded in the federal database. The most frequently reported component area is Engine, accounting for 2 reports (50% of total complaints). EPA testing covers 10 certified vehicle configurations spanning 1.8l 4-cyl, 3.5l 6-cyl, 5.5l 8-cyl, 6l 12-cyl, 6.2l 8-cyl, 3l 6-cyl, and 4.7l 8-cyl configurations. Gasoline and hybrid variants deliver 15 to 26 MPG combined. Detailed NHTSA crash-test ratings are not available in the current AutoUtility dataset for this model year.

Key Data Findings
  • • NHTSA Owner Complaints: 4 reports
  • • Safety Recall Campaigns: 0 campaigns
  • • Top Reported Defect Area: Engine (2 / 50%)
  • • NHTSA Overall Safety Rating: Not rated by NHTSA
  • • EPA Efficiency: 15–26 MPG (10 variants)
Data Note: Compiled directly from official NHTSA Office of Defects Investigation (ODI), NHTSA 5-Star Safety Ratings, and EPA FuelEconomy.gov databases.
Fuel Economy
15–26MPG
10 EPA certified variants (1.8l 4-cyl, 3.5l 6-cyl, 5.5l 8-cyl, 6l 12-cyl, 6.2l 8-cyl, 3l 6-cyl, and 4.7l 8-cyl configurations)
Reported Complaints
4
4 submitted owner reports
Safety Recalls
0
0 open safety recalls
NCAP Safety Rating
Not rated by NHTSA

What is the fuel economy and range of the 2015 Mercedes-Benz SL?

Official EPA laboratory test ratings, electric driving range, and annual energy cost estimates by certified vehicle variant

Variant Engine Drivetrain Transmission City Highway Combined EV Range Est. Annual Fuel Cost
SLK250 1.8L 4-Cyl Rear-Wheel Drive Automatic 7-spd 23 MPG 32 MPG 26 MPG — $2,900 / yr
SLK250 1.8L 4-Cyl Rear-Wheel Drive Manual 6-spd 22 MPG 32 MPG 26 MPG — $2,900 / yr
SLK350 3.5L 6-Cyl Rear-Wheel Drive Automatic 7-spd 21 MPG 28 MPG 24 MPG — $3,150 / yr
SLK55 AMG 5.5L 8-Cyl Rear-Wheel Drive Automatic 7-spd 19 MPG 28 MPG 22 MPG — $3,450 / yr
SL63 AMG 5.5L 8-Cyl Rear-Wheel Drive Automatic 7-spd 16 MPG 25 MPG 19 MPG — $4,000 / yr
SL65 AMG 6L 12-Cyl Rear-Wheel Drive Automatic 7-spd 14 MPG 21 MPG 17 MPG — $4,450 / yr
SLS AMG GT Coupe 6.2L 8-Cyl Rear-Wheel Drive Automatic (AM7) 13 MPG 19 MPG 15 MPG — $5,050 / yr
SLS AMG GT Roadster 6.2L 8-Cyl Rear-Wheel Drive Automatic (AM7) 13 MPG 19 MPG 15 MPG — $5,050 / yr
SL400 3L 6-Cyl Rear-Wheel Drive Automatic 7-spd 20 MPG 27 MPG 23 MPG — $3,300 / yr
SL550 4.7L 8-Cyl Rear-Wheel Drive Automatic 7-spd 18 MPG 24 MPG 20 MPG — $3,800 / yr
Data Boundary Note: EPA specifications are shown by certified vehicle configuration. NHTSA complaints and recall totals are recorded at the model-year level across all configurations.

What are the crash test safety ratings for the 2015 Mercedes-Benz SL?

Official 5-Star Safety Ratings evaluated by the National Highway Traffic Safety Administration

NHTSA 5-Star NCAP laboratory crash evaluations are not currently on file for the 2015 Mercedes-Benz SL.

Active Driver Assistance Systems (NHTSA Recorded): Forward Collision Warning (FCW) is documented as Not Specified and Lane Departure Warning (LDW) is documented as Not Specified in official NHTSA records for tested 2015 Mercedes-Benz SL models.
View complete 2015 Mercedes-Benz SL crash test & safety breakdown →

What defect complaints are reported for the 2015 Mercedes-Benz SL?

Summary of 4 verified consumer defect submissions filed with the NHTSA Office of Defects Investigation (ODI)

Total Complaints
4
Crash Reports
0
Fire Reports
0
Complaints w/ Injury
0
Total Injuries
0

Top Reported Problem Categories

Ranked by total consumer complaint submissions recorded by NHTSA

Engine 2 complaints
Wheels & Hubs 2 complaints

Data Attribution & Context: Complaints are self-reported by vehicle owners to NHTSA and represent unverified consumer submissions. Complaint volume does not equal a statistically controlled failure rate and is not adjusted for total vehicles sold or cumulative mileage driven.

View all 2015 Mercedes-Benz SL problems & component breakdown (2 categories) →

Are there open safety recalls on the 2015 Mercedes-Benz SL?

Manufacturer safety recall campaigns monitored and recorded by NHTSA

No open safety recall campaigns are currently on file with NHTSA for the 2015 Mercedes-Benz SL.

View all 2015 Mercedes-Benz SL recalls & campaign history (0 campaigns) →
Official US Government Data Provenance

The specifications, safety ratings, defect reports, and recall campaigns published on this page are retrieved directly from official United States Government agency databases:

  • NHTSA Office of Defects Investigation (ODI): Consumer complaints and defect reports.
  • NHTSA New Car Assessment Program (NCAP): Frontal, side, and rollover 5-Star crash safety test ratings.
  • U.S. EPA / FuelEconomy.gov: Standardized multi-cycle dynamometer fuel economy, MPGe, and electric driving range ratings.

Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.