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2020 Mercedes-Benz C-Class AMG C 43 Coupe

The 2020 Mercedes-Benz C-Class AMG C 43 Coupe is a 385-hp 3.0-liter turbocharged V6 coupe with an amg speedshift tct 9-speed automatic and all-wheel drive. It starts at $58,500 MSRP and is rated at 22 mpg combined.

It makes 385 horsepower and 384 lb-ft of torque, spinning to a 6,550 rpm redline. EPA fuel-economy estimates are 19 mpg city and 27 mpg highway (22 mpg combined).

The C-Class measures 184.8 inches long on a 111.8-inch wheelbase and has a curb weight of 3,979 lb.

Spec Value
Vehicle
Body TypeCoupe
PowertrainGas
Price
MSRP$58,500
MSRP with Destination$59,495
Destination Charge$995
Engine
Engine TypeAMG-enhanced 3.0L V6 Biturbo
Displacement3 L
Horsepower385 hp
Torque384 lb-ft
Redline6,550 rpm
ValvetrainDOHC, 4-valves per cylinder; Aluminum-Alloy
Bore and Stroke88.0 x 82.1
Compression Ratio10.5:1
Drivetrain
Drive TypeAWD (AMG Performance 4MATIC, 31:69 front:rear)
Transmission
TransmissionAMG SPEEDSHIFT TCT 9-Speed Automatic
1st Gear5.35 (31 mph **)
2nd Gear3.24 (50 mph **)
3rd Gear2.25 (73 mph **)
4th Gear1.64 (100 mph **)
5th Gear1.21 (135 mph **)
6th Gear1 (163 mph **)
7th Gear0.86 (190 mph **)
8th Gear0.72 (227 mph **)
9th Gear0.6 (272 mph **)
Reverse4.8
Final Drive3.07
Fuel Economy
City19 MPG
Highway27 MPG
Combined22 MPG
Tank Capacity17.4 gal
Suspension
Front SuspensionIndependent multi-link with coil spring, double-tube shock absorber and tubular torsion bar
Rear SuspensionIndependent multi-link with coil spring, double-tube shock absorber and tubular torsion bar
Brakes
Front Brake Disc14.2 x 1.4 in
Rear Brake Disc12.6 x 0.9 in
Tires & Wheels
Wheels Front7.5 x 18 (Cast)
Wheels Rear8.5 x 18 (Cast)
Tires Front225/45 R18
Tires Rear245/40 R18
Dimensions & Weight
Length184.8 in
Width71.3 in
Height55.3 in
Wheelbase111.8 in
Front Track63.1 in
Rear Track61.3 in
Ground Clearance3.5 in
Curb Weight3,979 lbs
Interior
Headroom Front38.8 in
Headroom Rear35.6 in
Legroom Front42 in
Legroom Rear32 in
Shoulder Room Front54.8 in
Shoulder Room Rear51.7 in
** Theoretical max speed per gear at redline

Safety & Recalls

NCAP safety ratings

Tested, but no star ratings were published (2020 Mercedes-Benz C-Class 2 DR 4WD).

Recalls

No recalls on file with NHTSA for the 2020 Mercedes-Benz C-CLASS.

46 owner complaints to NHTSA for the 2020 Mercedes-Benz C-CLASS

Owner Complaints

46 owner complaints filed with NHTSA for the 2020 Mercedes-Benz C-CLASS (5 mention a crash, 4 an injury). See all on nhtsa.gov

Most-cited areas
Engine9
Power Train7
Unknown Or Other7
Structure5
Back Over Prevention4
Electrical System4
A complaint can cite more than one area.
Most recent complaints
Aug 2, 2026 · Structure 1 injury
“I own a 2020 Mercedes-Benz C300 equipped with a power trunk. On July 22, 2026, I took my vehicle to Annapolis Mercedes-Benz because the power trunk was repeatedly closing on its own while people were…”
Jul 1, 2026 · Structure
“Automatic trunk closing mechanism caused the trunk hood to close on my head as I was putting groceries in the trunk. This has occurred several times in the past but this time it hit my head with more…”
Apr 23, 2026 · Power Train, Electrical System, Engine
“Vehicle has ongoing and recurring electrical and engine-related defects that affect safe operation. The primary systems involved are the electrical system, engine ignition system, and powertrain. The…”
Apr 16, 2026 · Vehicle Speed Control, Engine
“The contact owns a 2020 Mercedes-Benz C300. The contact stated that while at a stop, the vehicle failed to accelerate as intended. There was no warning light illuminated. The dealer was not contacted…”
Apr 3, 2026 · Electrical System
“Car stops accelerating and shifts into neutral without warning I nearly got hit from behind. I have consulted several other Mercedes vehicle owners and all had the same issue. Two of the other owners…”

Complaints are unverified reports submitted to NHTSA by owners. They cover the whole model year, not a specific trim, and a count alone doesn't show how common a problem is.

Source: US National Highway Traffic Safety Administration (nhtsa.gov), matched as 2020 MERCEDES-BENZ C-CLASS. US-market vehicles only; data cached for up to 7 days.

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