Mercedes-Benz S-Class DPF Replacement Parts
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A buyer's guide to used Mercedes-Benz S-Class dpf
No two dpfs are quite the same across different vehicles, so getting the specifics right matters when you buy used, second hand or a replacement. Answer a few quick questions below and breakers will only quote if they have the exact matching part in stock:
- State whether it's diesel or petrol
- State the engine code if known
Other used Mercedes-Benz S-Class parts
- Used Mercedes-Benz S-Class Exhaust System
- Used Mercedes-Benz S-Class Windscreen
- Used Mercedes-Benz S-Class Scuttle Panel
- Used Mercedes-Benz S-Class Front Bumper
- Used Mercedes-Benz S-Class Quarter Panel
- Used Mercedes-Benz S-Class Parcel Shelf
- Used Mercedes-Benz S-Class Fuel Injection Pump
- Used Mercedes-Benz S-Class Door Handle
- Used Mercedes-Benz S-Class Battery
- Used Mercedes-Benz S-Class Front Grille
- Used Mercedes-Benz S-Class Sump
- Used Mercedes-Benz S-Class Door
Used dpf for other Mercedes-Benz models
Fitment questions
Will a DPF from a W221 S-Class fit my W222 S-Class?
The W221 ran from 2005 to 2013 and the W222 from 2013 onwards, so these are distinct generations with different exhaust architecture, and a DPF from one will not simply bolt onto the other. The underlying engine codes and emissions calibration also changed across that boundary, making a straight swap very unlikely. Confirm the exact part references with your breaker against your registration before ordering.
Does a pre-facelift W222 DPF fit a post-facelift W222 S-Class?
The W222 received a facelift in 2017, and while the bodyshell remained similar, exhaust and emissions components can differ between the pre- and post-facelift cars depending on engine code and whether your car moved to a stricter Euro 6 sub-standard. Whether a DPF crosses that 2017 boundary is strong confirm-with-breaker territory — give your breaker your full registration and engine code so they can check part numbers directly.
Does the trim level matter when buying a used S-Class DPF — for example, will an S350d AMG Line DPF fit a standard S350d?
For the DPF, trim level does not affect fitment — what matters is the engine code, fuel type, and emissions standard, not whether the car is AMG Line, SE, or another specification. A DPF sourced from any S350d with the matching engine code and Euro standard should be the same component regardless of trim. You may find minor cosmetic differences in surrounding heat shielding or bracketry, so mention your trim to the breaker so they can check nothing ancillary is missing.
I have a 2012 S350 CDI — what should I tell the breaker to make sure I get the right DPF?
Give the breaker your full registration, your engine code (found on your V5C or inside the engine bay), and confirm whether your car is a standard wheelbase or long-wheelbase variant, as exhaust routing can differ. The 2012 model sits in the W221 generation (2005–2013), which spans several engine variants across Euro 4 and Euro 5 periods, so the emissions era is important. DPF interchange specifics are best verified by the breaker matching OEM part numbers directly to your registration.
Can I fit a DPF from a petrol S-Class onto my diesel S-Class?
No — diesel and petrol aftertreatment systems are completely different; a petrol S-Class uses a petite catalytic converter arrangement rather than a diesel particulate filter, and the two are not interchangeable in any generation. Always confirm the sourced DPF is from a diesel (CDI or d badged) S-Class with the same or compatible engine code as your own. Fitting the wrong type will not only fail to work but will likely cause an immediate engine management fault and an MOT failure.
Will a used S-Class DPF pass an MOT once fitted?
A used DPF can pass an MOT provided it is the correct unit for your engine code and emissions standard and is in serviceable condition with no cracks, blockages, or missing substrate. Fitting a DPF from the wrong emissions era — for instance, a Euro 5 unit on a vehicle registered to Euro 6 standards — risks an MOT failure on the emissions test even if the part physically fits. Ask your breaker to confirm the part matches your vehicle's exact registration details, and have the unit fitted and any fault codes cleared by a competent mechanic before presenting the car for test.