Drove thru deep water 2000 Mer 230 slk it stalled drained oil took out spark plugs coils let dry put everything in sputtered when started then started and died Now it just click when start k40 good

Best take it to the dealer.

you may have poor ignition wires that need to be replaced or a bad electrical connection that is affected by water either for the ignition system or the fuel injection system. just some places to look.

A car will stall when driven through standing water if the ignition system is not watertight. Worn spark plug wires and coil wire, improperly seated spark plug wires, or loose distributor cap are all possibilities.
There is a spray called CRC or some agent that promotes a water drying action can be used to dry out a wet distributor cap and wires. Drying off the electrical components will remove the moisture that is grounding the electrical energy that should normally go directly to the spark plugs.
If car will not restart after stalling from the water splashing as described in the question - and the poor condition of the electrical system is ruled out, some water may have passed through the air intake into the engine and perhaps into the cylinder. If this happens have the car towed to a repair shop where they can remove the water before any further damage results. This condition is not easy to occur but a real deep puddle can set the stage for water to be sucked into the air intake and pass through the filter into the intake and through the valves into the cylinders. This is why you see a Hummer with a snorkel - for wading through deep water.

A car will stall when driven through standing water if the ignition system is not watertight. Worn spark plug wires and coil wire, improperly seated spark plug wires, or loose distributor cap are all possibilities.
There is a spray called CRC or some agent that promotes a water drying action can be used to dry out a wet distributor cap and wires. Drying off the electrical components will remove the moisture that is grounding the electrical energy that should normally go directly to the spark plugs.
If car will not restart after stalling from the water splashing as described in the question - and the poor condition of the electrical system is ruled out, some water may have passed through the air intake into the engine and perhaps into the cylinder. If this happens have the car towed to a repair shop where they can remove the water before any further damage results. This condition is not easy to occur but a real deep puddle can set the stage for water to be sucked into the air intake and pass through the filter into the intake and through the valves into the cylinders. This is why you see a Hummer with a snorkel - for wading through deep water

Drain all the oil and put on new clean, also repl the oil filter.
Your coil pack may also still be wet-- , mark your spark plug wires and the coils and remove them. Make sure the coils are dry the spark pulg wires ends are dry. Also the plug or the main harness to the coil pac may be wet still, pull the plug and dry that, use an old hair drier or just let it sit a day longer.

Check cables must be tight at battery & starter. You must have 12 volts coming out of battery to starter.
Pull your dip stick is it over filled or milky looking. If so you very likely have water in engine.
Can you turn the fly wheel or is the engine locked up?
Drain the oil replace filter remove spark plugs turn engine backward to unlock engine. Drain fuel and replace fuel filter. Remove air filter has it gotten wet? Now crank it over with Air filter & spark plugs out. Now put in new air filter spark plugs dry wires & coils. And start the car, If car starts don't drive drain transmission change filter. If it did not start you may have done damage to computer or wiring.
But you got to see if engine is locked up if 12 volts is to starter & that no water is in oil or fuel.

take your distribuitor cap off and dry the inside out

o no! how deep?
my have sucked in water!
remove plugs, turn engine over water might come out of plug holes .
change engine oil also,maybe should do this before trying to start it any more. take off cap and rotor and dry off. try watching plug wires . if they spark in the dark when trying to start they are worn out and soaked with water and shorting out to the engine. check fuses also

Go to AutoZone and have them scan the car for codes (they'll do it for free). This will tell you what has tripped the check-engine light. Post the code(s) up and we'll take it from there. If the speedometer doesn't work, it's possible that you soaked the speed sensor's electrical connection and shorted it out. It's located on the transmission, so it's easily soaked when you go through water that deep.

The water leaks down into the spark plug holes. Remove the coil packs and spark plug wires, and sop up all the water in the spark plug hole. Leave the plugs in so water does not get into the engine. dry out the wires with an air gun, or just let dry. when everything is totally dry, put everything together and start.