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Im stuck folks. My CLS55 (M113K engine) is losing coolant but absolutely no idea where from. Its been to MSL for a pressure test. This confirmed a leak - they went all over it and they could not find the source of the leak. Coolant was drained and oil drained and both checked to see if there was...

So it may look like the rear main seal is leaking on my CLS55 My inde says just leave it, they also said they have seen countless failed rear main seals on Mercs across the whole range and ages. Trouble is, a diff Merc specialist I saw says that the oil is leaking on the crankshaft position...

I have a CLS55 AMG with airmatic suspension. The car is sitting about 1.5 inches lower on the driver side. No warnings on the dash and the car has recently had a new airmatic suspension compressor. The suspension raises and lowers just fine on both sides. I just have one side riding about 1.5...

I have a CLS55 AMG. On the way home, something odd suddenly happened. Only when the car hits 40mph, a catching sort of noise coming from the drivers side front wheel starts to happen. Below 40mph, nothing! The frequency and volume of the "catching sound" increased with speed. Above 50mph, the...

I dynoed my stock CLS55 (except for x pipe) and got 421 bhp. Really low figure. Its done 116K miles with 13 services. New IC pump fitted 2 months ago. I just noticed that the air intake hose on the drivers side has a large hole in it, and on the passenger side, its quite loose, not fitting very...

Hey everyone. I have a 2005 CLS55 AMG, 116K miles, Xpipe, 2nd cat delete and central resonator delete. Running super unleaded. Everything else standard, Took it to the dyno today. Stock BHP - 421, Stock Torque 691nm or 510 lb/ft We then remapped the car. No other mods, no pulleys, etc, just a...