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Mercedes SL Class vs Renault Symbioz comparison

Compare performance (816 HP vs 158 HP), boot space and price (112,700 £ vs 24,700 £ ) at a glance. Find out which car is the better choice for you – Mercedes SL Class or Renault Symbioz?

Mercedes SL Class vs Renault Symbioz: Key differences

Mercedes SL Class

  • clearly more power
  • clearly quicker 0–100 km/h
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Renault Symbioz

4.5 (5 Reviews)
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  • considerably cheaper
  • clearly more efficient
  • clearly lighter
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All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

By Achim Sedelmaier

Here’s where it gets real: The technical differences in detail

SL Class

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

Renault Symbioz is considerably cheaper – starting at 24,700 £ , while the Mercedes SL Class costs 112,700 £ . That’s a price difference of around 88,019 £.

Fuel consumption also shows a difference: the Renault Symbioz uses 4.5 L/100km and is clearly more efficient than the Mercedes SL Class with 9 L/100km. The difference is about 4.5 L/100km.

Symbioz

Engine and Performance:

Power, torque and acceleration say a lot about how a car feels on the road. This is where you see which model delivers more driving dynamics.

When it comes to engine power, the Mercedes SL Class offers clearly more power – delivering 816 HP compared to 158 HP. That’s roughly 658 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes SL Class is clearly quicker – completing the sprint in 2.9 s, while the Renault Symbioz takes 9.1 s. That’s about 6.2 s quicker.

There’s also a difference in torque: the Mercedes SL Class delivers significantly more torque with 1,420 Nm compared to 265 Nm. That’s about 1,155 Nm more.

SL Class

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Seats: Renault Symbioz offers more seats – 5 vs 4.

In terms of curb weight, Renault Symbioz is clearly lighter – 1,359 kg compared to 1,810 kg. The difference is around 451 kg.

When it comes to payload, the Renault Symbioz carries somewhat more – 459 kg compared to 375 kg. That’s a difference of about 84 kg.

Who wins the race in the data check?

The Renault Symbioz is clearly superior overall in the objective data comparison.
This result only shows which model scores more points on paper – not which of the two cars feels right for you.

from £24,700
Symbioz

Renault Symbioz

  • Engine Type : Full Hybrid, Petrol MHEV
  • Transmission : Automatic, Manuel
  • Drive Type : Front-Wheel Drive
  • Power HP : 140 - 158 HP
  • Consumption L/100km : 4.5 - 6 L/100km
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Frequently compared as well

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Renault Symbioz
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If you want a sensible, well-rounded family SUV you can actually drive home today, the Renault Austral is the clear choice — comfortable, efficient and unfussy. The Renault Symbioz, by contrast, is a futuristic concept car full of show-stopping ideas and tech, perfect for gawking at motor shows but …
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Mercedes SL Class
Renault Symbioz

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mercedes SL Class

The Mercedes SL blends timeless elegance with a cheeky sense of occasion, its retractable roof turning any commute into a small celebratory parade. Behind the wheel it behaves like a grown-up sports car that prefers comfort and presence over headline-grabbing bravado, making it a tempting choice for buyers who want to arrive in style.

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15C1119_012
15C1119_029
15C1119_120
15C1119_004

Reviews Mercedes SL Class

No reviews yet. Share your experience and help others decide.

Renault Symbioz

The Renault Symbioz is a forward-looking concept car that imagines a seamless link between vehicle and home, pairing a lounge-like cabin with striking, futuristic styling. More idea than production plan, it showcases Renault's vision for connected, autonomous and sustainable mobility while provoking debate about how we will live and travel.

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R-DAM_1579937
R-DAM_1580039
R-DAM_1579964

Reviews Renault Symbioz

4.5 (5 Reviews)
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PF
19 Feb 2026, 11:56:45

A delightful hybrid (family car). Roomy, quick (combined nearly 150 hp) and safe.

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Michael
5 Dec 2025, 23:17:28

I've been driving the Symbioz Full Hybrid with the iconic trim for 3,500 km. I test-drove both cars. I think the win goes to the Symbioz. Good quality at a family-friendly price. Unfortunately the Opel is simply too expensive. Strangely, what never really gets mentioned is that the Symbioz's suspension is absolutely superb.

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Mercedes SL Class
Renault Symbioz

Costs and Consumption
Price
112,700 - 219,300 £
Price
24,700 - 30,700 £
Consumption L/100km
9 - 13.6 L/100km
Consumption L/100km
4.5 - 6 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
12 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
206 - 309 g/km
co2
102 - 136 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Roadster
Body Type
SUV
Seats
4
Seats
5
Doors
-
Doors
-
Curb weight
1,810 - 2,195 kg
Curb weight
1,359 - 1,465 kg
Trunk capacity
-
Trunk capacity
492 - 576 L
Length
-
Length
-
Width
1,915 mm
Width
1,797 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
145 - 375 kg
Payload
455 - 459 kg

Engine and Performance
Engine Type
Petrol MHEV, Petrol, Plugin Hybrid
Engine Type
Full Hybrid, Petrol MHEV
Transmission
Automatic
Transmission
Automatic, Manuel
Transmission Detail
Automatic Gearbox
Transmission Detail
Automatic Gearbox, Manual Gearbox, Dual-Clutch Automatic
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
381 - 816 HP
Power HP
140 - 158 HP
Acceleration 0-100km/h
2.9 - 4.9 s
Acceleration 0-100km/h
9.1 - 11 s
Max Speed
-
Max Speed
-
Torque
480 - 1,420 Nm
Torque
250 - 265 Nm
Number of Cylinders
4 - 8
Number of Cylinders
4
Power kW
280 - 600 kW
Power kW
103 - 116 kW
Engine capacity
1,991 - 3,982 cm3
Engine capacity
1,332 - 1,789 cm3

General
Model Year
2025
Model Year
2025
CO2 Efficiency Class
G
CO2 Efficiency Class
C, D, E
Brand
Mercedes-Benz
Brand
Renault
What drive types are available for the Mercedes SL Class?

The Mercedes SL Class is offered with Rear-Wheel Drive or All-Wheel Drive.

DriveDuel uses data analysis and artificial intelligence to evaluate vehicle data and create content. Content is regularly reviewed and improved. The displayed prices are estimates based on German list prices, adjusted to the respective country’s VAT. Country-specific registration taxes are not included. This information is not legally binding.