Mercedes-Benz · Wagon · 2007–2014
Mercedes-Benz C-Klasse W204 T-Modell
Weaknesses, engine ratings and buying advice
★★★★★
1.8 / 5.0 · Based on 8 engine variants Most Fun Engine
457–525 PS
6.2L V8 AMG Benzin
Last Naturally Aspirated AMG — 457 hp V8 in C-Class Format
Legendary! Problem Engine
457–525 PS
6.2L V8 AMG Benzin
10 weaknesses
Stay Away!Engine Overview
The Mercedes-Benz C-Klasse W204 T-Modell is available with 11 engine variants — from 82 to 525 hp.
C 180 CDI Engine Change
2010 2014
Be Careful 6 weaknesses
2010 2014
Stay Away! 6 weaknesses
C 200 CDI Engine Change
2007 2011
Be Careful 6 weaknesses
2007 2009
Be Careful 6 weaknesses
2007 2009
Be Careful 6 weaknesses
2011 2014
Stay Away! 6 weaknesses
C 220 CDI Engine Change
2007 2014
Stay Away! 6 weaknesses
2007 2014
Stay Away! 6 weaknesses
C 250 CDI
2009 2014
Stay Away! 6 weaknesses
C 350 CDI
2007 2014
Stay Away! 7 weaknesses
AMG C 63
2007 2014
Stay Away! 10 weaknesses
C 180
2007 2014
Stay Away! 6 weaknesses
C 200
2007 2014
Stay Away! 6 weaknesses
C 250
2009 2014
Stay Away! 6 weaknesses
C 300
2007 2014
Stay Away! 6 weaknesses
C 350
2007 2014
Stay Away! 6 weaknesses
Vehicle Weaknesses
| Weakness | Cost | |
|---|---|---|
| Rear subframe rust — safety-critical Rear subframe rusts from the inside out. Problem not immediately visible externally. In severe cases the rear differential can shift. Symptoms: No visible rust in early stages, MOT failure, changed rear handling from 120,000 km | High | |
| Rear Subframe Corroded Through — Safety Risk W204 rear subframes systematically rust through from the inside. Powder coat cracks and moisture penetrates. Mercedes replaces under goodwill (15 years from first registration). In extreme cases the axle breaks. Symptoms: No visible symptoms until fracture, MOT issues rear axle, visible rust at underbody inspection from 130,000 km | High |
Frequently Asked Questions
What problems and weaknesses does the Mercedes-Benz C-Klasse W204 T-Modell have? +
The Mercedes-Benz C-Klasse W204 as T-Modell has 64 known weaknesses, 7 vehicle-related.
Which engine is recommended? +
Be Careful: OM640 (2.0L Diesel), M276 (3.0-3.5L V6), OM646 (2.1L CDI). No engine is rated 'Good Choice'.
Is the Mercedes-Benz C-Klasse W204 T-Modell worth buying used? +
Caution is advised with the Mercedes-Benz C-Klasse W204 T-Modell — 5 of 8 engine variants are rated 'Stay Away!'.
Last updated: February 2026 · All information without guarantee