Heater booster question - Mercedes-Benz Forum

LinkBack Thread Tools Display Modes
post #1 of 2 (permalink) Old 12-08-2010, 02:04 PM Thread Starter
BenzWorld Junior Member
Date registered: Dec 2009
Posts: 12
Mentioned: 0 Post(s)
Quoted: 2 Post(s)
(Thread Starter)
Heater booster question


I know this should really go in the dedicated section but I thought that by asking the question here I may get an answer from someone who deals with the grown up stuff or has access to such info, so please don't move it unless you really have to. Thanks.

I own a 1999 A 170CDi and I'd like some info about the heater booster please. What I'd like to know is -

Is it Diesel or electric?
How can you tell if it's working? - this seems a silly question but I have nothing for comparison, I have no idea how long these engine take to give warm air if the booster is off or broken. I haven't noticed any difference turning it on but then how much extra heat will it generate?

If it's Diesel does it make a noise, if so what kind? Does it still make a noise even if it doesn't heat up?

Where's the unit in question?

A diagram or picture would be really useful.

Thanks in advance. I really hope someone can help.

steelcityuk is offline  
Sponsored Links
post #2 of 2 (permalink) Old 12-13-2010, 04:21 AM Thread Starter
BenzWorld Junior Member
Date registered: Dec 2009
Posts: 12
Mentioned: 0 Post(s)
Quoted: 2 Post(s)
(Thread Starter)
Here's what I've found out elsewhere -

The heater is diesel power and is mounted under the floor beneath the front left hand seat and is hidden from view by the undertray. It's controlled by the ECU and will only function if the outside temperature is below 8C and coolant below 75C. When operating it sounds like a large hairdryer. It *may* lockout after several failures to light which *could* mean it'll need re-enabling using suitable diagnostic tools - the Hand Held Tester is referred to. It *may* also not function unless there's more than a 1/4 tank of fuel.

steelcityuk is offline  
Sponsored Links

  Mercedes-Benz Forum > General Mercedes-Benz Forums > General Mercedes-Benz

Quick Reply

Register Now

In order to be able to post messages on the Mercedes-Benz Forum forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Please enter a password for your user account. Note that passwords are case-sensitive.


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:


  • Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
    Thread Tools
    Show Printable Version Show Printable Version
    Email this Page Email this Page
    Display Modes
    Linear Mode Linear Mode

    Similar Threads
    Topic Author Forum Replies Last Post
    Diesel Booster Heater jason1973 V-Class 94 12-19-2014 02:03 PM
    heater booster and operating temperature james110cdi V-Class 2 06-10-2010 12:49 AM
    112cdi Heater booster Problem 170m V-Class 16 02-25-2010 10:31 AM
    Smoke from Booster Heater Wannabe2 V-Class 4 10-16-2009 12:48 AM
    G 400 cdi (heater booster) Lunde G-Class 14 10-02-2009 11:02 AM

    Posting Rules  
    You may post new threads
    You may post replies
    You may not post attachments
    You may not edit your posts

    BB code is On
    Smilies are On
    [IMG] code is On
    HTML code is Off
    Trackbacks are On
    Pingbacks are On
    Refbacks are On


    Title goes here

    video goes here
    description goes here. Read Full Story
    For the best viewing experience please update your browser to Google Chrome