Mercedes-Benz CLK Alternator Replacement Parts
Compare prices on a used Mercedes-Benz CLK alternator from UK breakers. Free part request, no obligation.
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Choosing the right used Mercedes-Benz CLK alternator
Used alternators vary between vehicles - and whether you call it used, second hand or a replacement, matching the right one matters. These are the details breakers need to match the right part to your car - our request form asks them so you only hear from suppliers with the correct part:
- State whether it's petrol or diesel
Other used Mercedes-Benz CLK parts
- Used Mercedes-Benz CLK Fuel Tank
- Used Mercedes-Benz CLK Drive Shaft
- Used Mercedes-Benz CLK Differential
- Used Mercedes-Benz CLK Radiator
- Used Mercedes-Benz CLK Roof Panel
- Used Mercedes-Benz CLK Parcel Shelf
- Used Mercedes-Benz CLK Front Grille
- Used Mercedes-Benz CLK Sump
- Used Mercedes-Benz CLK Rear Panel
- Used Mercedes-Benz CLK Wishbone
- Used Mercedes-Benz CLK Door
- Used Mercedes-Benz CLK Fuel Injection Pump
Used alternator for other Mercedes-Benz models
Fitment questions
What years does the Mercedes-Benz CLK generation cover, and does it matter which year my car is?
The CLK ran across two main generations: the W208 from 1997 to 2003, and the W209 from 2002 to 2009 with a facelift in 2005. Year matters because alternator output and mounting can vary within a generation, so always give your exact year alongside your engine code when asking a breaker for a quote. The engine code, found on your V5 or via a VIN check, is the single most useful detail you can supply.
Will a CLK alternator from a 2003 car fit my 2004 CLK?
2003 and 2004 straddle the W208-to-W209 generation boundary, so these are fundamentally different platforms and a straight swap is very unlikely. Name that boundary clearly when contacting a breaker, share your exact engine code, and let them confirm compatibility against your registration before purchasing. Never assume a part crosses a generation boundary without expert verification.
Does the alternator from a pre-facelift W209 CLK fit a post-facelift W209 (2005 onwards)?
Both sit within the same W209 generation, so the engine code is your best guide to whether the alternator is shared, and many are. However, ancillary and mounting changes can occur at a facelift point mid-production, so confirm this detail with the breaker against your exact registration rather than relying on the shared generation alone.
Does it matter whether my CLK is an Elegance, Avantgarde, or AMG when sourcing an alternator?
For an alternator, trim level does not affect fitment — Elegance, Avantgarde, and AMG Line badges make no difference to which alternator is fitted. What does matter is the engine code, because different engines fitted across those trims (for example a 1.8 compressor versus a 3.2 V6) will require different alternators with different outputs. Focus on matching engine code and fuel type rather than trim name when speaking to a breaker.
Can I use an alternator from a CLK diesel in my petrol CLK?
No — diesel and petrol alternators are not interchangeable, as they are matched to different engine families with different mounting arrangements and electrical demands. Always specify your fuel type as well as your engine code when requesting a quote from a breaker. Mixing fuel types is one of the most common causes of a mismatch on this part.
Does the breaker need to code or pair a second-hand CLK alternator to my car?
Alternators on most CLK models are not typically ECU-paired in the way some other components are, but smart-charging systems on later W209 variants can involve communication with the vehicle's electronics. Whether your specific car requires any configuration after fitting is something you should confirm with the breaker against your registration, as this can depend on build date and specification. Always clarify this before committing to a purchase.