Descended from the first motor car manufacturer, now a luxury German carmaker and part of the Daimler group.

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9
votes
1answer
2k views

how to optimize fuel consumption by changing the rear differential ratio?

Is it possible to improve the fuel consumption (decrease it) in my van by changing the rear differential ratio? I would like to optimize it for low-speed driving about 40 km/h (25 mph). Is it true ...
7
votes
1answer
517 views

how can I measure the amount of fuel injected into a diesel engine in real time in a purely mechanic pre-OBD vehicle?

This is a Mercedes-Benz 308D van, year 1992, model 602.316. Pre-OBD, no electronics of any sort, everything is purely mechanical. I would like to retrofit a system which would measure the precise ...
5
votes
5answers
2k views

what can be the reason my old diesel Mercedes won't start?

The vehicle is a Mercedes-Benz T1 model 308D. The engine is an old Mercedes-Benz OM601.940 4-cylinder indirect injection 58 kW (79 hp) 2299 dm3 diesel engine from year 1992. It's not a turbodiesel! - ...
5
votes
2answers
929 views

How to determine if a Mercedes key is original?

I have made a duplicate of my car key ( 2001 E320) and I want to know if the key (reprogrammed used key) is original; manufactured legitimately by Mercedes or an authorized manufacturer. I didn't ...
5
votes
1answer
87 views

'83 Mercedes 300TD will not start when warm

The car runs great when first started, great pickup, etc. However, if I stop and shut off the engine, it will not start back up. At times I can pump the accelerator 5 or 6 times and then it will start ...
5
votes
1answer
618 views

Does repeated turning on/off Xenon HID headlights harm them?

I've got Xenon headlights and my car has a feature which automatically turns the headlights on at night. Currently I'm hesitant to use the auto-on feature because the headlights turn on when I start ...
4
votes
2answers
213 views

Replacing the head gasket in a 1993 Mercedes 300ce

Is replacing the head gasket in a 1993 Mercedes 300ce, an expensive repair? I've been told it is better to just replace the engine all together. Is it a tough job for a backyard mechanic or a diy ...
4
votes
1answer
2k views

Mercedes start/stop system doesn't always kick in

We're the (humbled) owners of a 2011 Class B Mercedes with an inbuilt ECO start/stop system. As far as I understand this is how it's supposed to work: Gear in neutral. Press the brake pedal all the ...
4
votes
1answer
538 views

How to remove driver's side front door handle on a Mercedes Benz 2007 A-class W169?

I am stuck trying to remove the door lock barrel from the inner mounted door module on the driver's side front door of my Mercedes Benz 2007 A-class W169. I have undone the Torx T15 screw from the ...
4
votes
1answer
8k views

I lost my Mercedes smart key, how do I get a new one?

If I lose a Mercedes smart key fob, how do I get a replacement? Is there anything I should do to prevent the old key from being used if it was stolen?
4
votes
2answers
879 views

does a car normally continue moving at a constant speed when in gear and the foot is taken off the accelerator pedal?

I remember when driving a passenger car, when I took my foot off the accelerator pedal completely, but remained in gear, the car would normally continue to move at some low speed, different for each ...
4
votes
2answers
401 views

engine underpowered in idle - what can be done to improve a diesel engine power at low RPM just a bit?

There is an engine which is a bit underpowered when idling, it can not even keep the car moving on a flat road when in gear and idling at 700..800 RPM - see link. What can be done to improve its ...
4
votes
2answers
5k views

Can I reprogram a used Mercedes smart key?

I want a new key for my Mercedes Benz and I've heard that you can get a used smart key for much cheaper than a new one from a licensed Mercedes mechanic. Can I reuse an already programmed Mercedes ...
4
votes
1answer
708 views

How can I remove heating blower fan from the blower motor - Mercedes-Benz 308D van?

How I can remove the plastic fan from the axle of the heating blower motor? The vehicle is a Mercedes-Benz 308D van from 1992. The blower motor is a Bosch part number 0 130 007 027. I know that also ...
3
votes
1answer
131 views

Strange “plastic” knocks near the heater

Recently I started hearing a strange "plastic-like" knocks right after starting the engine. EDIT. Here's the video: http://www.youtube.com/watch?v=i4mLn_-nUYA I also tried it with the engine off ...
3
votes
0answers
61 views

Two Mercedes Electronic Keys - One Works As a Remote - One Works to Start The Car - How Can These Be Combined?

I just bought a 2005 Mercedes C230 and I have two Mercedes electronic keys - one works as a remote - one works to start the car - how can these be combined/programmed so they are both fully ...
2
votes
3answers
196 views

Mercedes C320 2003 tires & rims

I have a 2003 C320 Mercedes & am needing to replace the front 2 tires & rims. I have 255/35/ZR19 on the back so would a 245/45/R17 work for the front?
2
votes
2answers
492 views

unusual noise when switching into the second gear - other gears are fine

Almost every time I switch into the second gear, a quite loud crackle sound is heard shortly. It only happens when switching into the second gear, other gears are fine. I depress the clutch fully of ...
2
votes
1answer
83 views

Mercedes OM636: Can I Resolder Wire to Coolant Temperature Sensor?

The wire contact connected to the Coolant Temperature Sensor of my Mercedes OM636 (Boat engine same as Mercedes 170D, 180D) was corroded and got accidentally snapped off. Can I just solder this back ...
2
votes
1answer
227 views

Radiator Coolant Leak

I have found heavy leak of engine oil into the radiator of my 1996 Mercedes Benz (odometer 150000 mile). The workshop found the oil cooler pump damaged but we could not find a new one in the area. He ...
2
votes
1answer
428 views

Engine has become noisy

I have a 1993 Mercedes 308d. It always used to be fairly quiet, but recently the engine has started to sound quite noisy. Its OK when started then after it gets warm you notice when you come to a ...
2
votes
1answer
42 views

Differential Gear Alternative Ratio

I have Mercedes-Benz E-200 Estate Model 1995 with a Differential Ratio Number 3.92; Which I couldn't found; So I'm looking for a Differential Gear EQUIVALENT to 3.92 Ratio? For example can I use 3.90 ...
2
votes
1answer
251 views

Mercedes SLK (R170) convertible top/trunk release

I have a 1999 Mercedes SLK 230 (R170), with an interesting combination of problems: A) The hydraulics for the convertible top are low (to the point where the top won't even start to open anymore), ...
2
votes
1answer
685 views

Engine does not have enough power (and has limited RPM)

I have a 1982 Mercedes W123 (engine M102 - gasoline, 2.0L, 80kW, with Stromberg 175CDT carburetor). The car has been modified to run on LPG, the modification consists of adding a LPG tank, vaporizer ...
2
votes
2answers
958 views

How can I put down stuck rear sunshade on a 2006 Mercedes E class?

I've got a 2006 Mercedes e-350 with an automatic rear sunshade; until a week ago the sunshade worked fine, but now it's stuck up and I can't get it to come down by any means. The button to move the ...
2
votes
1answer
328 views

Where can I get/buy a repair manual for a Mercedes-Benz CLK200 Kompressor -2002?

I have checked haynes.com but it seems like they only cover C230 - C350. Any other good sources to check? I have tried to contact Mercedes-Benz Europe directly via e-mail for a regular manual, but ...
2
votes
1answer
501 views

how to install cruise control (Tempomat) in an Mercedes-Benz 308D from 1992?

I would like to retrofit a Mercedes-Benz 308D van from year 1992 (model number 602.316) with cruise control. What parts would I need to buy and how to proceed installing them? I mostly see parts for ...
2
votes
2answers
18 views

What xenon discharge tube goes to Mercedes B 180CDi (2009)

I have a Mercedes Benz class B 180CDi from year 2009. I ordered a D2S High Intensity Discharge tube with a note that it should be compatible with my car. The seller answered that I should order D1S ...
2
votes
1answer
92 views

Timing chain of a mercedes benz

Does the valves bend when the timing chain slips on sprokets, on a mercedes benz 2008 model C200 komp?
2
votes
0answers
165 views

What is a good online service for getting Mercedes Benz car history reports? [closed]

I'm searching for a good and trusted service that provides car history reports (mainly for MB cars 1990+ models). I heard about these companies recently and I would like to know more about them. I'm ...
2
votes
0answers
493 views

Mercedes Atego OBD2 live data codes

I have tried to connect an OBD2 ELM327 adapter in Mercedes Atego. Somehow I managed to get it in that OBD2 connector. I can see that my adapter is receiving electricity. These are the PID's that I ...
1
vote
2answers
99 views

No power to interior lights, etc

I got Mercedes A Class W168. Recently I got a weird problem, when I switch the key, only battery & SRS lamps lit at dashboard. Engine, headlamps, radio, horn, windows, power steering work. ...
1
vote
1answer
48 views

Looking at car mileage [closed]

My wife and I have just moved to USA, and we need a car immediately. This is my first time in US so I didn't know. We have a budget around 7-8k for our first car. I was looking at some Mercedes ...
1
vote
1answer
37 views

Spare smart key for mercedes

I need a second (spare) smart key for my 2005 Mercedes A Class. Short of going through a Mercedes dealer is there a relatively cheap way of acquiring one?
1
vote
1answer
279 views

OBD2 protocol in trucks

How can I check if these trucks are OBD2 compatibile? Trucks: Mercedes Atego, type 818 [Daimler 970.21] Man, type 8.113 If they are compatible with this protocol can you tell me where can I find ...
1
vote
0answers
23 views

Is it wise to use engine compression to help slow down a car to prolong brake life? [duplicate]

I have a 2010 Mercedes C-300 with six speed standard transmission. I'm wondering if it is wise to downshift to get engine compression to help slow down the vehicle when stopping to lessen brake wear? ...
1
vote
0answers
94 views

Steering angle sensor

On my Mercedes C180, just got an error about non-functioning steering angle sensor. I understand it can affect ESP, but how bad in fact is it? Replacement is rather expensive, so I wonder if I can ...
0
votes
2answers
154 views

my van is not able to drive over a kerb

My van is not able to drive over a kerb. Just a normal kerb, that other vehicles are able to drive their wheels over, and mine is not. What might be the problem and how to fix it? It is a ...
0
votes
1answer
548 views

How to reset the service reminder on a 2002 Mercedes-Benz CLK 200 Kompressor?

I have been looking for a few days now on how to reset the service reminder that keeps showing every time I start the car. I know the car repair shop can do this, but I would like to know how to do it ...
0
votes
1answer
464 views

Sound system volume fades in/out erratically

I recently got a 2006 Mercedes e350, passed it's Mercedes certified check up a week ago so it's electrical should all be in working order. The last couple days I noticed the volume of the sound ...
0
votes
1answer
104 views

Mercedes W123 engine “jumpy” when cold

I have a weird problem with the engine of my W123 (the engine is gasoline, 2L, 80kW with a Stromberg 175CDT carb). When the engine is cold (less than ~50C or so), it acts weird. When I want to ...
0
votes
1answer
358 views

Why does RPM jump between 1000 and 2000 at standstill (2002 Mercedes-Benz CLK 200 K)?

My car has a kind of a rough idle and it's like it gives a bit of gas, meter goes between 1000 and 2000 rpm at standstill. Same if I shift up to 1 or 2nd gear. If I then take it for a drive, car jerks ...
-2
votes
1answer
131 views

Which Mercedes-Benz models are associated with this photo? There are many, I want to know them all

This is Mercedes-Benz S600 Coupe of 2000 year. I know there is SL50 that looks the same. I wish I knew all the models that are associated with this and look the same.