CARVSLABFeel the physics before you buy

2026 · Compact luxury SUV

Mercedes-Benz GLC: stopping, space, visibility and safety, measured

A 255-hp mild-hybrid turbo four, or a 313-hp plug-in with 54 electric miles.

Figures are for the GLC 300 4MATIC (2 trims in the catalog, listed below). Last checked Oct 3, 2026.

Open the GLC in the 3D lab

2026 Mercedes-Benz GLC in the Carvslab garage

Where it stands among compact SUVs

  • #2 of 15Braking 70–0 mph, tested: 161 ft
  • #3 of 17Wet road from 70 mph, 1 s reaction: 345 ft
  • #8 of 17Driver head room, 6 ft 4 in driver: +0.4 in
  • #2 of 13Fastest you can stop inside the low beams: 78 mph

Ranked against the default trim of every compact SUV in the catalog that has the figure.

At a glance

Starting price, this trim$52,800PublishedMercedes
Powertrain2.0 L turbo four (M254) + 48-V integrated starter-generator (up to 23 hp / 148 lb-ft boost), mild hybrid · 4MATIC permanent all-wheel drive
0–60 mph, tested or claimed5.7 sTestedCar and Driver
Braking 70–0 mph, tested161 ft (49.1 m)TestedCar and Driver
EPA combined26 mpg (9.0 L/100 km)PublishedEPA
Cargo behind the second row21.9 cu ft (620 L)PublishedMercedes
Large suitcases, packed3Simulatedfrom Mercedes
Seats5Published
Crash ratingsIIHS Top Safety Pick

Acceleration

Why some cars pin you to the seat and others just hum along.

Power255 hp (190 kW)PublishedMercedes
Torque295 lb-ft (400 Nm)PublishedMercedes
0–60 mph, tested or claimed5.7 sTestedCar and Driver
0–60 mph, our simulation5.8 sSimulatedfrom Car and Driver
Passing, 50–70 mph4.5 sTestedCar and Driver
Quarter mile14.4 sTestedCar and Driver
Watch it in The Shove

Braking and stopping distance

The distance between "I saw it" and "I stopped" decides everything.

Braking 70–0 mph, tested161 ft (49.1 m)TestedCar and Driver
Braking 60–0 mph, tested109 ft (33.2 m)TestedMotorTrend
Wet road from 70 mph, 1 s reaction345 ft (105.0 m)Simulatedfrom Car and Driver
Dry road from 70 mph, 1 s reaction264 ft (80.3 m)Simulatedfrom Car and Driver
Packed snow from 30 mph, 1 s reaction230 ft (70.1 m)Simulatedfrom Car and Driver
Watch it in The Stop

Rollover

Where the weight sits decides how easily a car falls over.

Sideways slide that trips it into a roll12 mph (19 km/h)Simulated, estimated inputs
Static stability factor (half-track ÷ CoG height)1.26Simulated, estimated inputs
Watch it in The Tipping Point

Efficiency and running costs

At highway speed most of your energy is spent shoving air.

EPA combined26 mpg (9.0 L/100 km)PublishedEPA
Fuel or charging, 15,000 mi a year$2,583/yrDerivedEPA
Steady 75 mph, our simulation31 mpg (7.6 L/100 km)Simulated, estimated inputs
Drag coefficient0.29PublishedMercedes
Watch it in The Invisible Wall

Grip, snow and maneuvering

Four palm-sized patches of rubber. Every maneuver spends their grip.

Skidpad grip, tested0.88 gTestedCar and Driver
Cornering grip, our simulation0.88 gSimulatedfrom Car and Driver
Pulling away on packed snow0.17 gSimulatedfrom Car and Driver
Turning circle38.7 ft (11.8 m)PublishedMercedes
Ground clearance7.4 in (19 cm)PublishedFields Motorcars (dealer spec data)
TiresContinental EcoContact 6 MO 255/45R20 F / 285/40R20 R · 255/45R20 F / 285/40R20 RTestedCar and Driver
Watch it in The Grip Budget

Space, luggage and fit

Will your knees, your luggage and your kids actually fit?

Seats5Published
Large suitcases, packed3Simulatedfrom Mercedes
Carry-ons in the space left0Simulatedfrom Mercedes
Cargo behind the second row21.9 cu ft (620 L)PublishedMercedes
Cargo, seats folded56.3 cu ft (1,594 L)PublishedMercedes
Towing3,500 lb (1,588 kg)PublishedMercedes
Driver head room, 6 ft 4 in driver+0.4 in (1 cm)Simulated, estimated inputs
Driver head room, 5 ft 11 in driver+2.7 in (7 cm)Simulated, estimated inputs
Driver head room, 5 ft 4 in driver+5.7 in (14 cm)Simulated, estimated inputs
Rear head room, 5 ft 11 in passenger+2.2 in (6 cm)Simulated, estimated inputs
Rear knee room, 5 ft 11 in behind 5 ft 11 in+2.1 in (5 cm)Simulated, estimated inputs
Rear head and knee, 6 ft 4 in behind 6 ft 4 in−0.3 in head · −2.2 in kneeSimulated, estimated inputs
Front head room, published41.3 in (105 cm)PublishedMercedes
Rear head room, published39.7 in (101 cm)PublishedMercedes
Rear leg room, published37.4 in (95 cm)PublishedMercedes
Watch it in Live In It

Visibility

Every car hides some of the road. How much, and who could be standing in it?

Road hidden in front of the bumper, 5 ft 9 in driver25 ft (7.7 m)Simulated
Ground visible within 33 ft ahead34%Simulated
Watch it in Can You See Me?

Headlights and night stopping

IIHS measured how far these headlights reach. Can you stop inside that light?

IIHS headlight ratingGoodTestedIIHS
Low beams, straight road (right edge)374 ft (114.0 m)TestedIIHS
Fastest you can stop inside the low beams78 mph (126 km/h)Simulatedfrom IIHS
High beams, straight road (right edge)477 ft (145.5 m)TestedIIHS
Watch it in After Dark

Crash safety

Official crash ratings side by side, and the physics of what happens when two cars meet.

IIHS small overlap frontGoodTestedIIHS
IIHS moderate overlap front (updated)GoodTestedIIHS
IIHS side (updated)GoodTestedIIHS
IIHS award2026 Top Safety PickPublishedIIHS
Curb weight4,406 lb (1,999 kg)TestedCar and Driver
Watch it in The Impact

GLC compared

Trims in the catalog

Other compact SUVs

Sources

  1. Mercedes-Benz USA (media.mbusa.com): 2026 Mercedes-Benz model line updates and pricing (GLC 300 4MATIC $51,550, GLC 350e 4MATIC $60,300; excludes $1,250 destination) (2025-09)
  2. Car and Driver: Tested: 2023 Mercedes-Benz GLC300 4Matic Adds Junk to the Trunk (2023-05)
  3. US EPA (fueleconomy.gov): 2026 Mercedes-Benz GLC300 4matic ratings (2026-10)
  4. Mercedes-Benz USA: GLC 300 4MATIC SUV specifications (mbusa.com, now showing model year 2027) (2026-10)
  5. MotorTrend: 2023 Mercedes-Benz GLC300 4Matic First Test (2023-05)
  6. Mercedes-Benz AG (press kit): The new GLC: press kit (Cd 0.29, frontal area 2.60 m², dimensions) (2022-06)
  7. Fields Motorcars (dealer spec data): 2026 Mercedes-Benz GLC 300 SUV showroom: off-road geometry (187 mm max ground clearance) (2026-10)
  8. IIHS: 2026 Mercedes-Benz GLC 4-door SUV ratings (apply to 2023–26 / 2024–26 models) (2026-10)
  9. IIHS: IIHS pushes improvements in crash avoidance with 2026 awards (Mar 24, 2026) (2026-03)

Badges: Published figures come from the maker, a regulator or a rating agency; Tested from an independent instrumented test; Simulated are computed by our physics from those inputs (how); Estimate means no published value exists. Confirm figures with the maker or your dealer before you buy.