How JustAnswer Works:

  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.

Ask Matt Your Own Question

Matt
Matt, Mechanical Engineer
Category: Mercedes
Satisfied Customers: 21120
Experience:  BEng hons Mech engineering, in auto industry 22 years
12772297
Type Your Mercedes Question Here...
Matt is online now

Im in nigeria, own mercedes benz class B200 turbo, its been

Resolved Question:

Im in nigeria, own mercedes benz B class B200 turbo, its been diagonosed with this fault 2732 and 1634. I was told no one can help me in Nigeria, what should I do?
Submitted: 10 months ago.
Category: Mercedes
Customer: replied 10 months ago.
Similarly I changed a faulty steering rack but I was told ESP is faulty and must be replaced
Customer: replied 10 months ago.
Again I noticed a cracking sound coming from the left side of the hood, it occurs every morning and last only 2 to 5 seconds at start up.
Expert:  Matt replied 10 months ago.

Hello

code 2732. impermissible opening of hydraulic clutch forward gear has occurred

this is a bit unpleasant as it means the transmission is trying to move the 1st gear cluster when it shouldn't

and the 2nd 1634 code is a general transmission fault

so I'd start by checking the basics

I'd take a look at the colour of the transmission oil it should be a dark red colour if its black then its needs changing together with its oil filter. Also check its level with the gearbox warm and just after you've moved the selector through all the positions leaving it for a few seconds in each one and then back to park.

You can top up the box through the side fill plug if required and make sure you use the correct oil for your car as the fluids are not all the same. Some manufacturers recommended a change of the type of fluid - Speak to the local dealer and parts dept - they will advise you on the updated fluid to use..

If that’s all OK then check all the electrical connections of the gearbox, remove each connector in turn and spray with contact cleaner. Check that the wiring to the gearbox is in good condition with no chafing or frayed wire

If this is OK then check the selector lever linkage / cable under the car for any broken parts and or missing bolts as if this is coming adrift then it can rub on the car body or just bind up

Then - you should top up if low and re try it - or, if its level is ok - and condition is ok - then the next step is to drain it off - open it up and clean the filters inside -- refill and retry it..

Customer: replied 10 months ago.
Thanks Matt I appreciate, however I have two other issues to resolve as explained earlier.
Expert:  Matt replied 10 months ago.

hello

when you say the ESP is faulty, do you mean the electric power steering? as ESP is electronic stability programme? and there's no 1 part to the system

The quickest route to repair is to have the car plugged into a diagnostic machine which will read off the fault code stored in the ECU (providing the light is still on at this point) and indicate which sensor has failed or whether the fault is more serious.

However with ABS /esp systems 99% of the time its a problem with one of the wheel speed sensors and I'd first check the connections at all four corners first for any signs of corrosion or chafed wiring.

The sensor is located in the wheel hub so you'll have to remove each wheel in turn to inspect them all.

Also check that the toothed wheel that the sensor points to is clean and free of any debris.

you can check each sensor's function by plugging the two output wires into an AC voltmeter and spinning the wheel quite quickly, you should get a voltage signal that increases with rev's.

Its possible that the fault is only a bad connection to one of the wheel sensors.

This may be remedied by removing each wheel in turn and unplugging each sensor and cleaning the contacts with a squirt of electrical contact cleaner. Then refitting.

as to the 'cracking' noise I'd say its possibly the vacuum pump? and you will need to check the vacuum pipework for leaks and cracks

Expert:  Matt replied 10 months ago.

Hi

do you still need help?

Bear in mind that the site takes a deposit from you at the beginning and this is held by the site until you rate my answer at which point the cash is split between the site and the expert. I am only paid for my work on this question if you rate my answer, using the star system at the top of the screen. Please do not forget! Thank you

Matt, Mechanical Engineer
Category: Mercedes
Satisfied Customers: 21120
Experience: BEng hons Mech engineering, in auto industry 22 years
Matt and other Mercedes Specialists are ready to help you
Customer: replied 10 months ago.
Hi matt, your answer was excellent, however I forget say to you that im dealing with an automatic transmission. Matt, I noticed a phenomenon like a collaboration between the faults in the transmission and the noise at cold start. Whenever the noise occur in the morning the car will not shift gear, and whenever the noise did not occur in the morning the car shift gear fairly okay, any explanation?
Expert:  Matt replied 10 months ago.

Hello

don't worry I'd already realised it was an auto

I think the noise is the gear cluster not moving correctly ( as per the fault code) so this is pointing to an internal fault with the transmission, now my original suggestion of cleaning out the filter screen still stands and while the sump is off I'd also do a visual inspection of the 1st gear cluster too

Customer: replied 10 months ago.
Hello, your suggestions has been executed today, the transmission works fairly okay. I have a concern, my local mechanic thinks there is a component he called VGC CVT which may be faulty, the fear is he said no one can repair it or rebuild here in Nigeria but Australia. Please your comments on it. Again about the fault ESP in operative and tire run flat in operative, I noticed that whenever I start the car n turn the steering left the yellow triangle with an (!) will not appear. But, Whenever I start the car and turn the steering right the yellow triangle will suddenly appear, I need your help on it.
Expert:  Matt replied 10 months ago.

Hello

to deal with the last one 1st I'd say that the steering needs calibrating ?

all thats required with this is to have the engine running and turn the steering from lock to lock at least 5 times

as to the VGC CVT I'm unsure of what this may be ? as CVT = continously variable transmission and if you have this transmission type then your guy is correct in sayin that they aren't generally servicable

Customer: replied 10 months ago.
Wow! What's your advice on the CVT? I was told is kinda expensive not available. But so far the transmission works okay.
Expert:  Matt replied 10 months ago.

If the CVT is working OK then I'd keep on top of the fluid changes and hopefully it'll continue to work as it should

but yes its difficult to repair , even in europe and often the whole unit has to be replaced if it becomes faulty

Customer: replied 10 months ago.
Ok matt thanks a lot. I did the fluid n filter yesterday, it makes d harsh noise this morning n refused to shift gear a usual, I will hope it will work well from tomorrow. However I will appreciate if u could provide me with all and how to get a new CVT. I am Architect Abubakar Sani, nice to meet you,
Expert:  Matt replied 10 months ago.

hello Abubakar

this firm could ship a new unit

http://www.partsformercedes-benz.com/

or

http://www.mercedes-benz-parts.co.uk/

alternatively a good used unit would be more cost effective

http://www.dronsfields.com/

or

http://mercman.net/

Customer: replied 10 months ago.
Great, thanks matt. I will surely keep in touch.

What Customers are Saying:

 
 
 
  • 9 dollars, 2 hours of my time, and I drove away. Your diagnosis was right on the mark. Thank you so much. Phil
< Previous | Next >
  • 9 dollars, 2 hours of my time, and I drove away. Your diagnosis was right on the mark. Thank you so much. Phil
  • Lurch. Thank you very much. I had real doubts about this website but your promptness of response, quick followup and to the point answer with picture was incredible. Charles
  • As a single woman, I really appreciate an excellent and affordable opinion.
    Thank you Geordie, I will not hesitate to contact justanswer in the future!
    Sue
  • Another great insight to what may be the problem. I will have my mechanic take a look at it tomorrow. Thanks again, Frank...you do indeed know your stuff. Jim
  • I would (and have) recommend your site to others I was quite satisfied with the quality of the information received, the professional with whom I interacted, and the quick response time. Thanks, and be sure that I'll be back whenever I need a question answered in a hurry. Stephanie P
  • Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help. Mary C.
  • This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!! Alex
 
 
 

Meet The Experts:

 
 
 
  • Matt

    Matt

    Mechanical Engineer

    Satisfied Customers:

    495
    BEng hons Mech engineering, in auto industry 22 years
< Previous | Next >
  • http://ww2.justanswer.com/uploads/35/350matt/2012-6-7_182356_matsavatr.64x64.jpg Matt's Avatar

    Matt

    Mechanical Engineer

    Satisfied Customers:

    495
    BEng hons Mech engineering, in auto industry 22 years
  • http://ww2.justanswer.com/uploads/EU/eurotec/2012-6-11_13153_mpjaphoto.64x64.JPG Marty's Avatar

    Marty

    ASE Certified Technician

    Satisfied Customers:

    21389
    Bosch Certified Master Technician with over 35 years experience in the automotive industry.
  • http://ww2.justanswer.com/uploads/MI/mikeamechanic/2013-4-2_175558_photo.64x64.JPG mike_a_mechanic's Avatar

    mike_a_mechanic

    Mercedes Mechanic

    Satisfied Customers:

    116
    17 years experience as a auto mechanic, foreign and domestic.5 years running my own repair business.
  • http://ww2.justanswer.com/uploads/MB/MBpaul/2013-8-21_204936_paul.64x64.jpg MB Paul's Avatar

    MB Paul

    Mercedes Technician

    Satisfied Customers:

    212
    Mercedes Benz Qualified Diagnostic Technician
  • http://ww2.justanswer.com/uploads/IN/indytech/2013-8-8_102717_SantoDomingo146598x6402.64x64.jpg Greg's Avatar

    Greg

    Technician

    Satisfied Customers:

    1086
    Automotive diagnostic tech
  • http://ww2.justanswer.com/uploads/TE/techmachine/0601821347169_717372168_8940977_39623330_o.64x64.jpg Ross's Avatar

    Ross

    Diagnostic and repair technician

    Satisfied Customers:

    467
    Licensed diagnostic and repair technician