The S 550e is the plug-in hybrid version of the flagship S-Class luxury sedan. It combines a gas engine with an electric motor for better efficiency while keeping the high-end comfort Mercedes is known for.
âš™ï¸ Key Specs
Engine: 3.0L twin-turbo V6 + electric motor
Total Power: 436 hp
Torque: 479 lb-ft
Transmission: 7-speed automatic
Drivetrain: Rear-wheel drive
0–60 mph: ~5.2 seconds
🔋 Hybrid / Electric Details
Battery: ~8.7 kWh lithium-ion
Electric-only range: ~14 miles
Charging time:
~1.9 hours (240V)
~6 hours (120V)
Efficiency: ~58 MPGe / ~26 MPG combined
ðŸ›‹ï¸ Interior & Features
Typical S-Class luxury, including:
Leather upholstery & real wood trim
Heated seats (front & rear available)
Burmester premium sound system
Navigation + COMAND infotainment
Ambient lighting
Advanced driver assists (collision prevention, adaptive cruise, etc.)
📠Size & Practicality
Full-size luxury sedan
Length: ~206.5 inches
Curb weight: ~5,100 lbs
Seating: 4–5 passengers
Cargo: Smaller trunk due to battery (~9.5 cu ft)
💰 Pricing (Used Market)
Original MSRP: ~$97K
Used value today: ~$25K–$30K depending on condition
👠Pros
Ultra-luxury ride quality
Strong hybrid performance (quick + efficient)
Quiet electric driving for short trips
High-end tech and comfort
👎 Cons
Limited electric range (compared to newer hybrids)
Expensive maintenance/repairs
Reduced trunk space
No AWD in this trim
🧠Bottom Line
The 2017 S550e is best if you want:
A luxury flagship sedan
With some fuel savings and EV capability
At a much lower used price than new
But it’s not ideal if you want:
Long electric-only driving
Low maintenance costs