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2006 Mercedes-Benz C-Class C230 7AT

All Mercedes-Benz C-Class W203 trims (2001–2007) → All Mercedes-Benz C-Class generations →
2006 Mercedes-Benz C-Class – front Unverified
Photo: Mercedes C-Klasse W203 front by M 93 ( talk ) 17:33, 30 December 2008 (UTC), Public domain, via Wikimedia Commons
Photos show the W203 (W203, 2001–2007); trim, color, and model year may differ.
All photo credits
  1. Photo: Mercedes C-Klasse W203 front by M 93 ( talk ) 17:33, 30 December 2008 (UTC), Public domain, via Wikimedia Commons
  2. Photo: Mercedes-Benz W203 C 230 Iridium Silver (6) by Damian B Oh, CC BY-SA 4.0, via Wikimedia Commons
  3. Photo: Mercedes-Benz W203 C 230 Iridium Silver (5) by Damian B Oh, CC BY-SA 4.0, via Wikimedia Commons
  4. Photo: 2002 Mercedes-Benz C320, Rear Left, 12-25-2020 by SsmIntrigue, CC BY-SA 4.0, via Wikimedia Commons
  5. Photo: 2001 Mercedes-Benz W203 C200 Kompressor, rear left, 06-29-2024 by Ethan Llamas, CC0, via Wikimedia Commons

The 2006 Mercedes-Benz C-Class C230 7AT is a 2.5-liter V6 with a 7-speed automatic and rear-wheel drive. It is rated at 22 mpg combined.

EPA fuel-economy estimates are 19 mpg city and 27 mpg highway (22 mpg combined).

Spec Value
Vehicle
Body TypeSedan
PowertrainGas
Engine
Engine Type2.5L V6
Displacement2.5 L
Drivetrain
Drive TypeRear-Wheel Drive
Transmission
Transmission7-Speed Automatic
Fuel Economy
City19 MPG
Highway27 MPG
Combined22 MPG
Recommended FuelPremium Unleaded

Safety & Recalls

NCAP safety ratings

Overall Not rated
Frontal crash Not rated
Frontal – driver ★★★★★
Frontal – passenger ★★★★★
Side crash Not rated
Rollover Not rated
Tested variant: 2006 Mercedes-Benz C-Class 4-DR. w/SAB

Recalls

No recalls on file with NHTSA for the 2006 Mercedes-Benz C-CLASS.

183 owner complaints to NHTSA for the 2006 Mercedes-Benz C-CLASS

Owner Complaints

183 owner complaints filed with NHTSA for the 2006 Mercedes-Benz C-CLASS (10 mention a crash, 7 an injury). See all on nhtsa.gov

Most-cited areas
Engine48
Power Train36
Air Bags35
Engine And Engine Cooling24
Fuel/Propulsion System13
Unknown Or Other13
A complaint can cite more than one area.
Most recent complaints
Aug 5, 2026 · Unknown Or Other
“Broken rear subframe because of rust and corrosion with perforation. Manufacturer refused to cover the repair.”
Apr 30, 2026 · Steering
“The contact owns a 2006 Mercedes-Benz C230. The contact stated that while driving at an undisclosed speed, the steering wheel became loose and landed in the contact's lap. The steering wheel failed to…”
Jun 25, 2025 · Structure
“While driving at approximately 70 mph on a highway, the rear subframe of the vehicle suddenly and catastrophically failed. This caused the vehicle to fishtail violently and nearly led to a serious…”
Jun 19, 2025 · Air Bags, Seat Belts
“SRS light went on. Restraint malfunction message flashed across screen. Code reader pulls up dealer recall for driver airbag possibly exploding due to build up of pressure. My VIN is not included and…”
Jun 12, 2025 · Engine
“Engine misfires while driving. OBD 2 codes P0016 and P0017 indicates bad balance shaft. Common defect in these cars. Very expensive repair needed.”

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 2006 MERCEDES-BENZ C-CLASS. US-market vehicles only; data cached for up to 7 days.

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