Compare prices on a used Mercedes-Benz CLK gearbox from UK breakers. Free part request, no obligation.
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No two gearboxs 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:
The Mercedes-Benz CLK ran as the W208 generation from 1997 to 2002, then as the W209 from 2002 to 2009, so a 2003 unit and a 2006 unit are both W209 and sit within the same generation — a promising starting point. However, fitment really hinges on matching the engine code exactly, since different engines within the W209 range used different gearboxes even in the same year. Supply your engine code (shown on your V5 or a VIN check) to the breaker so they can confirm the unit is a direct match before you buy.
The W208 (1997–2002) and W209 (2002–2009) are separate generations with different underpinnings, so a gearbox crossing that boundary is unlikely to be a straight swap. Engine codes, bell-housing patterns, and ancillary connections can all differ between generations. Give the breaker both registration numbers and your engine code and let them confirm compatibility — never assume a cross-generation fit.
For mechanical parts like a gearbox, the engine code matters far more than the year or badge — it determines the transmission specification the unit was built to match. Your engine code is printed on your V5 certificate or can be pulled from a VIN check, and it will be something like M112 for a petrol V6 or OM611 for a diesel. Always give this code to the breaker alongside your registration so they can match the unit accurately.
No — Elegance and Avantgarde are trim levels on the W209 CLK that differ in styling, interior finish, and optional equipment, but the gearbox fitted is determined by the engine and gearbox type, not the trim. A gearbox from an Elegance with the same engine code and transmission type as your Avantgarde will be mechanically equivalent. Do be aware that ancillary brackets or wiring connectors can occasionally vary mid-production, so confirm the specific unit against your registration with the breaker before purchasing.
No — manual and automatic gearboxes are completely different units with different bell-housings, mountings, and drivetrain connections, so they are not interchangeable regardless of engine code or year. When sourcing a replacement, make sure the breaker knows whether your car is a manual or the 5-speed automatic (used widely across the W209 range) before they quote. Mixing transmission types is not a viable swap on a standard CLK.
The W209 CLK received a facelift in 2005, so a 2005 car could be either pre- or post-facelift depending on its build date. The facelift primarily brought exterior and interior changes rather than wholesale mechanical ones, but ancillary and mounting details can sometimes shift around a facelift point. The safest approach is to give the breaker your exact registration and engine code so they can check whether any changes apply to your specific build — do not rely on the year alone.