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2017 Mercedes-benz Sl-class
Limited data: few reports on file, read the verdict loosely
Too few owner complaints are on file to affirm this car. Treat it as unproven, not endorsed, and lean hard on a professional pre-purchase inspection.
4 owner complaints · 0 recalls · data verified July 14, 2026 · source: NHTSA
What the record shows so far
Only 4 owner complaints on file for this exact model year, too few to judge long-term reliability. Treat this as unproven, not endorsed, and lean on a professional inspection.
The math, shown
Full methodology →Complaints filed per year
Fading = early teething worked out. Climbing = problems aging in.
How it crashes
NHTSA’s own crash tests, separate from the reliability score above.
NHTSA crash-tested this model year but didn’t publish an overall star rating for it.
1 open NHTSA defect investigation on file for this model year, separate from the recalls above.
Source: nhtsa.gov/ratings. Star ratings compare vehicles within the same class and size, not across every car on the road.
The road ahead
What breaks on a 2017 Mercedes-benz Sl-class, plotted where owners report it happening.
Transmission & drivetrain
25%1 complaints · 1 in the last 2 years
“When pulling into an intersection after stopping at a 3-way stop the car unexpectedly went into neutral gear. An oncoming car had to stop suddenly to avoid a collision…”
Brakes
25%1 complaints
“2007 MERCEDES BENZ SL500. CONSUMER WRITES IN REGARD TO BRAKE FAILURE. THE CONSUMER STATED WHILE APPROACHING A STOP SIGN THE BRAKES FAILED TO ENGAGE. THE VEHICLE ROLLED…”
Electrical system
25%1 complaints
“2017 MERCEDES BENZ SL 550. CONSUMER WRITES IN REGARDS TO DEFECTIVE PRE SAFE OPTION ON VEHICLE. *LD THE CONSUMER STATES THE SAFETY BELTS TIGHTEN RESTRICTING AND DISTRAC…”
Steering
25%1 complaints
“STEERING WHEEL STUCK IN UP POSITION. IT WOULD NOT ADJUST TO THE PRESET UPON ENTERING THE VEHICLE. FOUND A FIX ONLINE TURNED OFF THE EASY ENTRY/EXIT FEATURE AND HAD TO …”
Recalls (0)
No recall campaigns on file for this model year.
Before you hand over money
Check the VIN for open recalls
NHTSA’s free lookup shows whether this exact car had its recall remedies completed.
Free NHTSA VIN check ↗Get a pre-purchase inspection
A $150 to $250 independent inspection of this exact 2017 Mercedes-benz SL-CLASS beats every score on the internet, including ours.
What to ask forNot set on the 2017? See how every Sl-class model year scores →
Cross-shopping? Compare the 2017 Mercedes-benz Sl-class against another car →
What owners say
Real owners of this exact model-year, shown separately from the NHTSA score. If they disagree, that’s worth knowing.