| Description | Date | Identifier | |
| Internal communication regarding the replacement of a damaged tyre on a Mercedes Car after an accident. | 11th Jan 1912 | Box 22 \ 5 Scan070 | |
| Collection of a Mercedes Car, chassis X407, after its overhaul by Milnes-Daimler. | 31th Jan 1912 | Box 22 \ 5 Scan071 | |
| Requesting the return of a Mercedes car to the works for experiments. | 5th Feb 1912 | Box 22 \ 5 Scan072 | |
| Letter from an insurance company regarding an accident claim, requesting a statement from the driver. | 1st Feb 1912 | Box 22 \ 5 Scan073 | |
| Claim on a Mercedes Car and the inability for 'Ward' to travel due to work pressure. | 13th Feb 1912 | Box 22 \ 5 Scan074 | |
| Departmental memo concerning the satisfactory completion of repairs on a Mercedes car. | 14th Feb 1912 | Box 22 \ 5 Scan075 | |
| Letter to Mr. De Looze regarding an unpaid hire charge for a Mercedes Car due to an incomplete journey. | 26th Feb 1912 | Box 22 \ 5 Scan076 | |
| Departmental memo regarding a dispute with a Mr. Ward over responsibility for an accident during a car hire. | 28th Feb 1912 | Box 22 \ 5 Scan077 | |
| From Mr. Royce detailing the required analysis of a Mercedes axle from a strength perspective. | 7th Mar 1912 | Box 22 \ 5 Scan078 | |
| Report and analysis of a Mercedes Axle, including weight specifications and road tests. | 7th Mar 1912 | Box 22 \ 5 Scan079 | |
| Returning a Mercedes Car to the Works for experiments as per Mr. Royce's instructions. | 18th Mar 1912 | Box 22 \ 5 Scan080 | |
| Departmental memo concerning the return of an unsold Mercedes car and subsequent inquiries. | 21th Mar 1912 | Box 22 \ 5 Scan081 | |
| Short memo confirming the receipt of a Mercedes car and referencing another document sheet. | 27th Mar 1912 | Box 22 \ 5 Scan082 | |
| Internal report on a Mercedes car taken from the Experimental Department without a pass card. | 1st Apr 1912 | Box 22 \ 5 Scan083 | |
| Apology note regarding taking a Mercedes car out without a pass card due to an oversight. | 6th Feb 1919 | Box 22 \ 5 Scan084 | |
| Urgent departmental memo regarding the delivery timeline for a Mercedes car to secure a sale. | 17th Apr 1912 | Box 22 \ 5 Scan085 | |
| Departmental memo chasing the status of work on a Mercedes (X407), with subsequent internal handwritten queries and responses. | 30th Apr 1912 | Box 22 \ 5 Scan086 | |
| Departmental memo chasing the delivery of a Mercedes car for potential purchasers. | 3rd May 1912 | Box 22 \ 5 Scan087 | |
| Urgent internal memo chasing up a definite completion date for a Mercedes car ready for dispatch by the Sales department. | 8th May 1912 | Box 22 \ 5 Scan088 | |
| Query about the despatch date for a Mercedes-related matter. | 8th May 1912 | Box 22 \ 5 Scan089 | |
| The urgent return of a Mercedes car to the Sales Department. | 8th May 1912 | Box 22 \ 5 Scan090 | |
| Request to Mr. Nadin to order two replacement square driving blocks for a Mercedes car. | 10th May 1912 | Box 22 \ 5 Scan091 | |
| Replacement of damaged parts on a Mercedes car and further planned experiments. | 17th May 1912 | Box 22 \ 5 Scan092 | |
| Departmental memo inquiring when Mercedes Car X407 will be ready for sale. | 31th May 1912 | Box 22 \ 5 Scan093 | |
| Departmental memo regarding a request from Milnes Daimler for confirmation of satisfactory repairs to a Mercedes car for an insurance claim. | 6th Jun 1912 | Box 22 \ 5 Scan094 | |
| Covering note for particulars of steering strain tests on a Mercedes 23 HP type. | 14th Jun 1912 | Box 22 \ 5 Scan095 | |
| Table of measurements from steering tests on a Mercedes vehicle. | 13th Oct 1911 | Box 22 \ 5 Scan096 | |
| Departmental memo concerning the forwarding of a Mercedes gearbox. | 26th Aug 1912 | Box 22 \ 5 Scan097 | |
| Instruction note listing items from a Mercedes car handed to the Repair Department store. | 27th Aug 1912 | Box 22 \ 5 Scan098 | |
| To Mr. Royce confirming receipt of a telegram and detailing upcoming vibratory tests on a Mercedes gear box. | 9th Sep 1912 | Box 22 \ 5 Scan099 | |
| The readiness and delivery of a Mercedes car. | 6th Nov 1912 | Box 22 \ 5 Scan100 | |
| To Mr. Cowen confirming a Mercedes will be dispatched from Derby to Conduit Street. | 8th Nov 1912 | Box 22 \ 5 Scan101 | |
| Instructions to charge a customer for a Lucas headlamp and bracket that was sent with their Mercedes car. | 26th Nov 1912 | Box 22 \ 5 Scan102 | |
| The billing for a Lucas headlamp and bracket sent to the Sales department. | 12th Dec 1912 | Box 22 \ 5 Scan103 | |
| Valuation of a headlamp and bracket for a Mercedes car. | 20th Dec 1912 | Box 22 \ 5 Scan104 | |
| Letter discussing the seizure and analysis of a 4-cylinder Mercedes chassis and Aero engine by the Admiralty. | 16th Sep 1915 | Box 22 \ 5 Scan105 | |
| Agreement with the Admiralty for engine testing costs and the sharing of technical specifications. | 29th Sep 1916 | Box 22 \ 5 Scan106 | |
| Laboratory report detailing the chemical analysis of a steel sample from a Mercedes valve guide. | 29th Sep 1916 | Box 22 \ 5 Scan107 | |
| Potential purchase of a supercharged Mercedes car for its instructional value. | 6th May 1924 | Box 22 \ 5 Scan108 | |
| Recommending the examination and trial of a Mercedes car before purchase. | 1st Jun 1924 | Box 22 \ 5 Scan109 | |
| Confidential memo discussing the potential purchase of a super-charged Mercedes car, comparing models and prices. | 17th Jun 1924 | Box 22 \ 5 Scan110 | |
| Potential acquisition of a supercharged Mercedes racing car and the associated costs and practicalities. | 8th Jun 1924 | Box 22 \ 5 Scan111 | |
| Inquiry concerning Mercedes super-charged racing cars and specifications for other models. | 20th Jun 1924 | Box 22 \ 5 Scan112 | |
| Article from 'The Autocar' magazine detailing the benefits of supercharging and the new 10-40 HP Mercédès chassis. | 13th Apr 1923 | Box 22 \ 5 Scan113 | |
| Technical description of the super-charger's control mechanism, carburetter details, and the vehicle's road performance. | 2nd Jul 1924 | Box 22 \ 5 Scan114 | |
| Information about Mercedes cars, specifically a super-charged model related to the Indianapolis Race available for trial. | 2nd Jul 1924 | Box 22 \ 5 Scan115 | |
| Request to arrange a trial run on a Mercedes car to consider its purchase. | 2nd Jul 1924 | Box 22 \ 5 Scan116 | |
| Post Office telegram confirming an appointment to try a car. | 26th Jul 1924 | Box 22 \ 5 Scan117 | |
| Arranging a test run of a 16/60 super-charged Mercedes to evaluate for purchase. | 2nd Jul 1924 | Box 22 \ 5 Scan118 | |
| Telegram confirmation with handwritten notes arranging an appointment. | 4th Jul 1924 | Box 22 \ 5 Scan119 | |
| Test drive of a supercharged 4-cylinder Mercedes 'Indianapolis' type car. | 1st Jul 1924 | Box 22 \ 5 Scan120 | |
| Investigation of a supercharger, its construction, potential purchase for testing, and comparison with other models. | 3rd Jul 1924 | Box 22 \ 5 Scan121 | |
| Delay in the delivery of a Mercedes car and rescheduled plans. | 17th Jul 1924 | Box 22 \ 5 Scan122 | |
| Road test of a 16/60 HP 2-seater Mercedes car, highlighting severe braking and steering issues. | 17th Jul 1924 | Box 22 \ 5 Scan123 | |
| List of tools and spares received with a Mercedes 10/40 HP car. | 23th Jul 1924 | Box 22 \ 5 Scan124 | |
| Typed list of tools and spare parts with a handwritten annotation. | 23th Jul 1924 | Box 22 \ 5 Scan125 | |
| List of tools and spare parts for a vehicle, noted as page 3. | 20th Oct 1924 | Box 22 \ 5 Scan126 | |
| Order number for work done on a Mercedes Car. | 20th Oct 1924 | Box 22 \ 5 Scan127 | |
| Acquiring an extra set of gearing for a Mercedes car to alter the gear ratio. | 28th Jul 1924 | Box 22 \ 5 Scan128 | |
| Tests with a Mercedes Supercharger. | 18th Nov 1924 | Box 22 \ 5 Scan129 | |
| 4-cylinder Mercedes supercharger. | 18th Nov 1924 | Box 22 \ 5 Scan130 | |
| Supercharged engine's performance, detailing issues with temperature increases, detonation, and the lack of an inter-cooler. | 18th Nov 1924 | Box 22 \ 5 Scan131 | |
| Supercharging performance, indicator diagrams, and Mercedes engine construction. | 18th Nov 1924 | Box 22 \ 5 Scan132 | |
| Continued description of engine components including the cylinder block weight and camshaft drive assembly. | 18th Nov 1924 | Box 22 \ 5 Scan133 | |
| Performance data tables comparing a standard and supercharged 4-cylinder, 2614 c.c. Mercedes engine. | 18th Nov 1924 | Box 22 \ 5 Scan134 | |
| Hand-drawn diagrams of a vertical camshaft drive mounting and supporting brackets. | 18th Nov 1924 | Box 22 \ 5 Scan135 | |
| Hand-drawn sketch of a built-up cylinder block with cylinder bases welded in pairs. | 7th Jul 1925 | Box 22 \ 5 Scan136 | |
| Quarterly note regarding the disposal of Hispano and Mercedes cars from the Experimental Department. | 7th Jul 1925 | Box 22 \ 5 Scan137 | |
| Potential sale of a Mercedes car, following an enquiry received by Barkers from the Mercedes Co. | 7th Dec 1925 | Box 22 \ 5 Scan138 | |
| Confidential memo regarding the return of a Mercedes car for sale. | 8th Dec 1925 | Box 22 \ 5 Scan139 | |
| Brief memo regarding the return and sale condition of a Mercedes car. | 11th Dec 1925 | Box 22 \ 5 Scan140 | |
| Short memo requesting notification of when a Mercedes car leaves Derby. | 15th Dec 1925 | Box 22 \ 5 Scan141 | |
| The return and sale of an experimental Mercedes car. | 19th Dec 1925 | Box 22 \ 5 Scan142 | |
| Request to locate and send a missing envelope cover for a sold 16/60 HP two-seater Mercedes car. | 19th Feb 1926 | Box 22 \ 5 Scan143 | |
| Instruction to send an envelope hood cover to Barkers Showrooms for a Mercedes car. | 23th Feb 1926 | Box 22 \ 5 Scan144 | |
| Purchase of a car from an outside manufacturer for trial runs, mentioning brands like Austro-Daimler, Stutz, and Packard. | 17th Oct 1927 | Box 22 \ 5 Scan145 | |
| The trial of the 8-cylinder supercharged Mercedes from the 1931 Berlin Motor Show, with additional notes on Lockheed Brakes. | 9th Mar 1931 | Box 22 \ 5 Scan146 | |
| Technical report discussing central lubrication, pedal pressure, Graham Paige bonnet ventilators, and shock dampers. | 9th Mar 1931 | Box 22 \ 5 Scan147 | |
| Technical report discussing axle placement, carburettor silencers, and a diagram illustrating a method for heating car interiors. | 9th Mar 1931 | Box 22 \ 5 Scan148 | |
| Letter from the Experimental Department requesting to arrange a test of a 5-litre Mercedes. | 8th Nov 1934 | Box 22 \ 5 Scan149 | |
| Letter to F.L. Manning of Barker & Co. regarding a missed appointment and the trial of a straight-eight Delage. | 14th Nov 1934 | Box 22 \ 5 Scan150 | |
| Letter to F.L. Manning of Barker & Co. (Coachbuilders) Ltd. arranging a time to view cars. | 16th Nov 1934 | Box 22 \ 5 Scan151 | |
| Performance review and road test of a 5 Litre Supercharged Mercedes. | 27th Nov 1934 | Box 22 \ 5 Scan152 | |
| Test drives of a 4 Litre Delage and 3¼ Bentley, detailing performance issues. | 27th Nov 1934 | Box 22 \ 5 Scan153 | |
| List of ground clearances and weights for a Mercedes Supercharged Straight Eight vehicle. | 25th Nov 1935 | Box 22 \ 5 Scan154 | |
| Issues with rear wheel alignment, heavy steering, carburation and its delivery to Conduit St. | 25th Nov 1935 | Box 22 \ 5 Scan155 | |
| Mercedes Instruction Book, photographing its drawings, and a negative opinion of the car. | 27th Nov 1935 | Box 22 \ 5 Scan156 | |
| Specification sheet for a Mercedes-Benz vehicle detailing engine, chassis, and weight particulars. | 27th Nov 1935 | Box 22 \ 5 Scan157 | |
| Specification sheet detailing vehicle fluid capacities and tyre information. | 29th Nov 1935 | Box 22 \ 5 Scan158 | |
| Test report on a 5 Litre Supercharged Mercedes, comparing it to the Phantom III. | 29th Nov 1935 | Box 22 \ 5 Scan159 | |
| Diagram showing the right side of an engine with labeled components. | 29th Nov 1935 | Box 22 \ 5 Scan160 | |
| Diagram of an engine's left side with numbered components and a corresponding parts key. | 29th Nov 1935 | Box 22 \ 5 Scan161 | |
| Diagram showing the independent suspension of the front wheel. | 29th Nov 1935 | Box 22 \ 5 Scan162 | |
| Cross-section diagram of a back axle drive assembly with part numbers. | 29th Nov 1935 | Box 22 \ 5 Scan163 | |
| Instructions on how to use the special lifting jack. | 29th Nov 1935 | Box 22 \ 5 Scan164 | |
| Chassis diagram illustrating points of lubrication and inspection with service intervals in kilometers. | 29th Nov 1935 | Box 22 \ 5 Scan165 | |
| Cross-section diagram of a clutch and gearbox assembly. | 29th Nov 1935 | Box 22 \ 5 Scan166 | |
| Cross-sectional diagrams of an inline engine and a single cylinder view. | 2nd Dec 1935 | Box 22 \ 5 Scan167 | |
| Performance review and comparison of a 5 Litre Mercedes Car. | 2nd Dec 1935 | Box 22 \ 5 Scan168 | |
| Comparing the 5 Litre Mercedes Car to a Bentley, discussing performance, drawbacks and price. | 4th Dec 1935 | Box 22 \ 5 Scan169 | |
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