Skip the auto shop - Our mechanics make house calls

Q: The ignition is not functioning properly for both keys. 1998 Mercedes Benz CLK320

asked by on

if you step on the brake when trying to start it, it feels as if the magnetic grab that it usually does tries to grab the key but it happens sometimes and sometimes not. but when it happens and you leave the key inside the ignition it will start again, if the key is taken out it is a battle to have it accepted by the ignition. Please assist the mechanic said we should take it to Mercedes Benz. before TAKING IT THERE PLEASE ADVISE

My car has 210000 miles.
My car has an automatic transmission.

A: The problem sounds like the EIS - Electroni...

The problem sounds like the EIS - Electronic Ignition Switch. It can be a costly and time consuming replacement. Be sure both keys are with the vehicle if you take it in for replacement. You may be able to start the vehicle in the manner that you are doing but eventually, it will not start at all.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Save up to 30%

Get a quote

What others are asking

Q: Left turn signal staying on

It sounds like the multifunction switch in the steering wheel is bad and needs to be replaced. It is a common problem with these cars. I would suggest having a technician from YourMechanic come out and replace the multifunctioning turn...

Q: master cylinder is bad, but does it make a noise going down the road. if so what kind. mine is intermittent

Hello, thank you for writing in. The master cylinder may make some noises, however it is rather unlikely that you are going to hear these fluid sounding noises over the engine noise. Start by adding the differential fluid and take...

Q: No pressure to accelerator.

It sounds like there is an issue with your accelerator cable. It is possible that it may be broken or has come detached from the throttle of your engine. I would recommend that you enlist the help of a certified...

Related articles

How Long Does a Heater Control Valve Last?
Keeping the right amount of coolant in a car is essential in keeping the engine at the right temperature. Failing to have the right amount of coolant or even bad elements...
P0240 OBD-II Trouble Code: Turbocharger Boost Sensor B Circuit Range/Performance
P0240 code definition Turbocharger Boost Sensor B Circuit Range/Performance What the P0240 code means P0240 is an OBD-II generic code triggered when the Engine Control Module (ECM) detects the intake boost...
P2428 OBD-II Trouble Code: Exhaust Gas Temperature Too High Bank 1
P2428 code definition A P2428 trouble code signifies that the PCM has detected a problem in the exhaust gas temperature sensor circuit in bank 1, which subsequently contains the number one...