Question about 1994 Mercedes-Benz C-Class

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My c180 1994 mercedes won't start. when diagnosed it indicates that. the car won't start due to no signal input from the das and it says fault code is 064. help my car stopped for 7 month. many thanks

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94 MERCEDES C220 STARTS THEN STOPPED NEW FUEL PUMP NO CHANGE HELP ME PLEASE

Posted on May 12, 2011

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Immobiliser is faulty. I have one in my garage at moment same code (that is if it is a siemens ecu) key needs to be coded main dealer

Posted on Jan 23, 2010

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Replace the crank sensor.That sounds like your problem.

Posted on Nov 18, 2009

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After replacing the Battery in My 2003 ML 350, The radio stop working and the engine starts but do not idle. Does any one know what could be the cause of this problem


It's a Mercedes, so electrical issues are extremely common. The ML especially of that year is about the most problematic car Mercedes ever produced.
It has issues everywhere from short circuits due to the wiring shrouding breaking down over time, to ECMs/ECUs failing without necessarily any good reason to. As there are too many faults on that particular vehicle to mention, it won't be easy to diagnose this one over the internet. You will likely require an auto electrician, and perhaps not even just one workshop to manage all types of issues. My best advice once you've dealt with this one and the vehicle is working is to sell it. You won't stop working on expensive issues with this mark and model.

Nov 12, 2012 | Mercedes-Benz ML Cars & Trucks

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Engine operation


A review of engine operation:

In order to function properly an engine requires mechanical integrity along with a combination of air, fuel and a well timed spark. Engine operation is governed by an Electronic (Power) Control Unit/Module (ECU/ECM/PCM)or Engine Management System (EMS) that receives signals from a variety of sensors and in turn supplies air, fuel and timing appropriately. To reduce the impact of engine emissions on the environment the ECU also operates a number of emission control actuators and these too are monitored by sensors
Fault diagnosis can be helped by viewing the engine in several states: (i) starting;(ii) warming up or 'open cycle'; and (iii) as running at normal operational temperatures or 'closed cycle'. Most errors, and frequently the most inconvenient, relate to the start, or rather, failing to start process, closely followed by an engine that otherwise behaves normally but shuts down with little warning. When sensor signals indicating conditions outside normal operational parameters are sent to the ECU, the respective errors codes (DTCs Diagnostic trouble codes) are recordedand the 'check engine light' (CEL) or 'malfunction indicator light' (MIL) is illuminated on the dash board. Reading these error codes indicates the system in error and helps diagnose the fault.
The sensors and actuators included in this general guide are an amalgam of the ones found on many of today's cars.This is not to say that every car will have the full set of sensors or the exact layout as discussed here. Cars vary from manufacturer to manufacturer and technical developments also occur over time introducing new sensors whilst making older ones obsolete. NEXT 1) Air: From atmosphere to engine

on Jul 03, 2011 | Mercedes-Benz E-Class Cars & Trucks

1 Answer

Cant Find a list of codes 1989 Buick Century. Car stalls and has a rough idle. coads are 31 43 and 44


Here is a code list for you. Remember this doesn't always mena a sensor issue, the problem can be in the wiring as well, or in the case of a lean code you may have an actual lean condition due to a vacuum leak at the intake or vacuum hoses or connections. I have highlighted your fault codes and added extra notes.
GM common codes for OBD1 (for vehicles made before 1995)
12 System normal
13 oxygen sensor circuit open
14 coolant sensor high resistance or shorted
15 coolant sensor circuit low or open
16 direct ignition system (DIS) fault in circuit
17 cam position sensor fault
18 crank or cam sensor error
19 crank sensor circuit fault
21 tps sensor out of range
22 tps sensor signal voltage low
23 intake air temp sensor out of range, low
24 vehicle speed (vss) sensor circuit fault
25 air temp sensor sensor out of range, high
26 quad-driver module (computer) circuit #1 fault
27 quad-driver module (computer) 2nd gear circuit
28 quad-driver module (computer) circuit #2 fault
29 quad driver module (computer) 4th gear circuit
31 camshaft position sensor fault
32 egr circuit fault
33 map sensor signal out of range, high
34 map sensor signal out of range, low
35 idle air control sensor circuit fault
36 ignition system circuit error
38 brake input circuit fault
39 clutch input circuit fault
41 cam sensor circuit fault, igntion control circuit fault
42 electronic spark timing (EST) circuit grounded
43 knock sensor malfunction or electronic spark control (ESC) circuit fault (ignore this for now)
44 oxygen sensor lean exhaust (make sure you no engine vacuum leaks)

45 oxygen sensor rich exhaust
46 pass-key II circuit or ps.pressure switch circuit fault
47 pcm-bcm data circuit
48 misfire diagnosis
51 calibration error, mem-cal, ecm or eeprom failure
52 engine oil temperature circuit, low temperature indicated
53 battery voltage error or egr or pass-key II circuit
54 egr system failure or fuel pump circuit low voltage
55 a/d converter error or pcm not grounded or lean fuel or frounded reference voltage
56 quad-driver module #2 circuit
57 boost control problem
58 vehicle anti-theft system fuel enable circuit
61 a/c system performance or degraded oxygen sensor signal
62 engine oil temperature high temperature indicated
63 oxygen sensor right side circuit open or map sensor out of range
64 oxygen sensor right side lean exhaust indicated
65 oxygen sensor right side rich exhaust indicated
66 a/c pressure sensor circuit low pressure
67 a/c pressure sensor circuit or a/c clutch circuit failure
68 a/c compressor relay circuit failure
69 a/c clutch circuit head pressure high
70 a/c refrigerant pressure circuit high
71 a/c evaporator temperature sensor circuit low
72 gear selector switch circuit
73 a/c evaporator temperature circuit high
75 digital egr #1 solenoid error
76 digital egr #2 solenoid error
77 digital egr #3 solenoid error
79 vehicle speed sensor (vss) circuit signal high
80 vehicle speed sensor (vss) circuit signal low
81 brake input circuit fault
82 ignition control (IC) 3X signal error
85 prom error
86 analog/digital ecm error
87 eeprom error
99 power management

Jul 21, 2011 | 1989 Buick Century

2 Answers

On gear what E and S for


I can't say for certain that your fault, in knowed case, which turned out to be an electronic module (Part No. A 170 820 17 26, don't know what it is called but it costs a bomb) that decides whether the key you put in the ignition is the correct one for the car. You know that you are using the right key, but the faulty module has decided that you are trying to steal the car so it refuses to allow you to start it. A new module, programmed to your chassis, has to be obtained from the factory in Germany via your friendly local Mercedes dealer, to whom you have to prove ownership and identity.

That part is called DAS control unit. It sits under the dash, slightly to the right of the steering column. The "Start error" display can happen if there is a fault with the key, DAS unit or the chrome ring that sits around the ignition barrel. Obviously try the spare key first.

Try disconnecting the vehicles battery for 30 minutes (make sure you have your radio code, otherwise it won't work!) then re-attach it and try to start your car. It should wipe out the fault in your computer. After that, try taking the car into an independent MB shop and have them re-set any fault codes in your computer. This should fix your problem.

If not, take it into the MB dealer and raise a big fuss. They know this issue exists and the consumer should not be stuck with the repair bill! It is a problem that should have been taken care of with a recall.

Good luck.

Mar 21, 2011 | Mercedes-Benz 190-Class Cars & Trucks

1 Answer

A 2001 mecedes C-320 won't start but will turn over. Sometimes it wil start and run fine. I wonder if the battery is low and it does not get enough power to turn it over fast enough to start it.


You can see when the engine crank is the instrument cluster indicators light getting low light, if it's like that could be not enough battery, how ever you can try with jump other battery be careful don't mix up the battery connection it will dammed your car complete electronic system after jump the battery is the car crank fast but not start need to be check fuel presser and crank angle sensor it's can do by Mercedes diagnose tool get in to the authorized Mercedes workshop and plug diagnose computer in to the car and check the fault code that's the good way to do it otherwise you will spend money for unuseful thing.it be loose your money. if you get right diagnose it's will save your money.

Oct 04, 2010 | 2001 Mercedes-Benz C-Class

1 Answer

Car won't start. Error codes - p1000, p0452, p1642


The following results can be found on http://www.blujag.co.uk and would appear to indicate a fuel system problem. hope this helps
Fault Code P0452
Indicates a Generic Power-train fault
The fault is generally due to a problem in the Emission Control area
Fault Description: Evaporative Emission Control System Pressure Sensor Low Input
Fault Code P1642
Indicates a Manufacturer Specific Power-train fault
The fault is generally due to a problem in the Computer & Output Circuit area
Fault Description: Fuel Pump Monitor Circuit High Input

Jul 16, 2010 | 2003 Jaguar Xkr

2 Answers

My key for my 2002 mercedes will unlock the doors but will not work in the ignition. Please help


which model do you have? if its a C or an E then it sounds like your drive authorisation system has failed(DAS) basically the ignition switch. Got to be MB dealer or a specialised MB tech with the right computer. Not cheap either, sorry if its bad news

Jul 12, 2009 | 2005 Mercedes-Benz Mercedes Benz E320 Cdi

1 Answer

LT signal fault


It is very difficult to diagnose your problem without being in front of your vehicle. But I will let you in on a tip-This vehicle substitutes bulbs for inoperable bulbs i.e. if your brake light goes out the bulb monitoring system will substitute your tail lights in place of the inoperable brake light. It can be frustrating you are not very familiar with your vehicle because when the brake switch is depressed you will see lights on and still get the message on the heads up display. also it is very important that the bulb wattage is exact. any difference in resistance will trigger a inop bulb problem. Also I believe that the turn signal is a dual filament bulb-one for turn signal and the other for your running lights. hopefully I have been helpful

May 29, 2009 | 2005 Mercedes-Benz Mercedes Benz E320 Cdi

2 Answers

LED lights for locking and unlocking flash at the same


that system is part of D.A.S. 2( driver authorization system verson 2). the lights in the mirror will blink red when lock and green when unlock. during the self diagnoses portion they will blink simutanilusly when the remote key batteries are low and alternating when there is a malfunction with the key or other part of the driver authorization. it sounds like your remote key central locking batteries are low.

Apr 15, 2009 | 1995 Mercedes-Benz C-Class

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