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Tesla Model S 85 vs Mercedes CLA 350 4MATIC mit EQ Technologie: which is truly faster?

Simulated drag race 0 → 1,000 m in real time. Synchronised speed counters and stopwatch. Physics calibration on 7 manufacturer measurements.

grand tourer · 2012 vs 2025 · Methodology
TeslaBEV

Model S 85

362 hp · 599 Nm · 2,108 kg · 2012

VS
MercedesBEVFaster

CLA 350 4MATIC mit EQ Technologie

354 hp · 515 Nm · 2,135 kg · 2025

Result · 0–100 km/h

ATesla Model S 85

5.75 s

Gap0.80 sin favour of CLA 350 4MATIC mit EQ Technologie
BMercedes CLA 350 4MATIC mit EQ Technologie

4.95 s

Summary · Caralogy simulation
MeasureModel S 85CLA 350 4MATIC mit EQ TechnologieGap
0–100 km/h5.75 s4.95 s0.80 s · CLA 350 4MATIC mit EQ Technologie
400 m standing start13.94 s13.32 s0.62 s · CLA 350 4MATIC mit EQ Technologie
1,000 m standing start25.17 s24.37 s0.80 s · CLA 350 4MATIC mit EQ Technologie
Top speed (electronically limited)201 km/h210 km/h9 km/h · CLA 350 4MATIC mit EQ Technologie
Power-to-weight ratio5.82 kg/hp6.03 kg/hpbetter ratio · Model S 85

Watch the race

Standing-start drag race, calibrated on manufacturer splits. The gap shows at each stage.

TeslaBEVModel S 85
Speed
0km/h
Timer
0,00s
Distance
0m
MercedesBEVCLA 350 4MATIC mit EQ Technologie
Speed
0km/h
Timer
0,00s
Distance
0m
100 m
200 m
300 m
400 m
500 m
600 m
700 m
800 m
900 m
1000 m
0m → 1000m
Gap0m

Stage-by-stage comparison

Simulated performance at each stage. Best value in bold.
StageModel S 85CLA 350 4MATIC mit EQ Technologie
0–30 km/h1.67 s1.31 s
0–50 km/h2.78 s2.19 s
0–80 km/h4.46 s3.63 s
0–100 km/h5.75 s4.95 s
0–120 km/h7.39 s6.61 s
0–160 km/h12.43 s11.72 s
0–200 km/h20.22 s19.43 s
400 m standing start13.94 s13.32 s
1,000 m standing start25.17 s24.37 s
Top speed201 km/h210 km/h

Parameters and assumptions

Simulation

Start
Standing, straight line
Surface
Dry asphalt, 23°C
Wind
None
Driver
1 person, 75 kg

Calibration

Splits
0–100, 0–200 manufacturer
Power curve
Real measurement (Caralogy)
VMax
Manufacturer limited
Transmission
Losses integrated in model

Physics model calibrated on manufacturer splits. The limited top speed is not the real aerodynamic top speed of the vehicles.

Under the bonnet

Manufacturer technical specifications. The power-to-weight ratio is the key physical factor in a drag race.

Tesla

Model S 85

5,82kg/hpratio better by 0,21 kg/hp
CharacteristicValueDetail
Power362 hpPermanent Magnet Synchronous Motor
Torque599 Nm
Weight2 108 kgmanufacturer kerb weight
DrivetrainPropulsion
GearboxSingle-speed fixed gear
Mercedes

CLA 350 4MATIC mit EQ Technologie

6,03kg/hp
CharacteristicValueDetail
Power354 hpPending
Torque515 Nm
Weight2 135 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxUnknown

The start: 0 to 100 km/h

Off the line, the CLA 350 4MATIC mit EQ Technologie hits 100 km/h in 4.95 s versus 5.75 s for the Model S 85. At this point, the CLA 350 4MATIC mit EQ Technologie leads by 0.80 s and sits roughly 14 m ahead.

From 100 km/h to 400 metres

At 200 metres, the CLA 350 4MATIC mit EQ Technologie is doing 139 km/h against 137 km/h for the Model S 85. The gap is 0.60 s. The challenger starts to claw back ground.

At 400 metres standing start, the CLA 350 4MATIC mit EQ Technologie crosses the line in 13.32 s versus 13.94 s. The 0.62 s gap represents roughly 29 m of track - two to three car lengths.

Beyond 400 metres: top speed comes into play

Past 400 metres, the CLA 350 4MATIC mit EQ Technologie continues to build its lead. At 600 metres, it runs at 190 km/h versus 190 km/h. At 1,000 metres, the CLA 350 4MATIC mit EQ Technologie finishes in 24.37 s versus 25.17 s, with a 0.80 s lead. Both vehicles have similar top speeds (201 vs 210 km/h), preventing any comeback.

What the numbers don’t tell you

On paper, the Model S 85 combines 362 hp, 599 Nm and 2,108 kg - a clear theoretical edge over the CLA 350 4MATIC mit EQ Technologie. Yet the CLA 350 4MATIC mit EQ Technologie launches quicker. At standstill, both motors deliver peak torque from 0 rpm: the decisive factor is no longer raw power, but available grip. If the CLA 350 4MATIC mit EQ Technologie has a better traction coefficient (tyres, weight distribution, traction control calibration), it puts down more force despite inferior specs - exactly what the simulation reflects, calibrated on manufacturer 0-100 km/h times.

The CLA 350 4MATIC mit EQ Technologie features all-wheel drive (AWD) against the Model S 85’s RWD. At low speeds (0-30, 0-50, 0-80 km/h), AWD doubles the driven contact area: all four wheels transmit torque to the road, virtually eliminating wheelspin at launch. This traction advantage is decisive in the range where the motor delivers peak torque, before power and aerodynamics take over.

Both rivals are electronically governed, but not at the same level: the Model S 85 is capped at 201 km/h, the CLA 350 4MATIC mit EQ Technologie at 210 km/h. This isn’t a physical engine limit - it’s a manufacturer choice, usually for tyre safety or homologation reasons. Neither car reaches its true aerodynamic top speed.

With two electric powertrains, the difference comes down to power-to-weight ratio (5.82 kg/hp vs 6.03 kg/hp) and transmission (Automatic vs Unknown).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 8.41 seconds. The 0.80 s difference in 0 to 100 km/h is mostly felt in motorway merging and overtaking.

Compare with other alternatives

Swap one of the two models to explore an equivalent duel in the same segment.

Instead of CLA 350 4MATIC mit EQ Technologie
BMW i5 xDrive40BMW i5 eDrive40

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MercedesVSRenault

CLA 350 4MATIC mit EQ Technologie vs Megane E-Tech Electric 217

Frequently asked questions

Over 0–100 km/h, CLA 350 4MATIC mit EQ Technologie wins (4,95 s vs 5,75 s).

Model S 85 goes from 0 to 100 km/h in 5,75 seconds (calibrated simulation).

Model S 85: 362 hp, ratio 5,82 kg/hp. CLA 350 4MATIC mit EQ Technologie: 354 hp, ratio 6,03 kg/hp.

Model S 85: 201 km/h. CLA 350 4MATIC mit EQ Technologie: 210 km/h.