C220 W202 has heavy clunk usually when car is cold when changing into 2nd/3rd (auto) gets better as car warms up but engaging reverse needs care have to give split second rest between D N R . Could it be old gear box oil?
GAD was founded in 2009 where we developed bespoke ECU Remapping software for motorsport clients, moving forward, we have extended to road vehicles for both performance and economy, contact GAD Tuninghttp://www.GADTuning.co.ukto discuss your requirements.
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